What is the best way to travel from Denver to San Diego?
Looking for a trip? Compare all the available Flights and Buses for the journey to San Diego from Denver. Check between different modes of transportation, look for the cheapest tickets, fastest rides and most popular stations, and see all 1 available companies to find your perfect trip!
What is the cheapest way to reach San Diego from Denver?
You can get to San Diego with just $98 by taking a Flight from Frontier Airlines, but you can find many more cheap offers: we have selected the best ones for next few days here for you.
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Alaska Airlines2h 34m06:00 AMDenver AirportDenver Airport7:34 AMSan Diego AirportSan Diego Airport0EconomyA Flight from Alaska Airlines goes from Denver Airport, Denver Airport (USA) at 6/26/2026 6:00:00 AM to San Diego Airport, San Diego Airport (USA) arriving at 6/26/2026 7:34:00 AM. 50 Economy ticket for $113 per person are available. Travel duration is 2h 34m
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Skyscanner2h 41m07:59 PMDenver AirportDenver Airport9:40 PMSan Diego AirportSan Diego Airport0EconomyA Flight from Skyscanner goes from Denver Airport, Denver Airport (USA) at 6/26/2026 7:59:00 PM to San Diego Airport, San Diego Airport (USA) arriving at 6/26/2026 9:40:00 PM. 50 Economy ticket for $113 per person are available. Travel duration is 2h 41m
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Volaris13h 25m01:53 PMDenver AirportDenver Airport2:18 AMTijuana AirportTijuana Airport0EconomyA Flight from Volaris goes from Denver Airport, Denver Airport (USA) at 6/26/2026 1:53:00 PM to Tijuana Airport, Tijuana Airport (Mexico) arriving at 6/27/2026 2:18:00 AM. 50 Economy ticket for $128 per person are available. Travel duration is 13h 25m
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Frontier Airlines2h 29m07:40 AMDenver AirportDenver Airport9:09 AMSan Diego AirportSan Diego Airport0EconomyA Flight from Frontier Airlines goes from Denver Airport, Denver Airport (USA) at 6/26/2026 7:40:00 AM to San Diego Airport, San Diego Airport (USA) arriving at 6/26/2026 9:09:00 AM. 50 Economy ticket for $128 per person are available. Travel duration is 2h 29m
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Volaris11h 25m01:53 PMDenver AirportDenver Airport12:18 AMTijuana AirportTijuana Airport0EconomyA Flight from Volaris goes from Denver Airport, Denver Airport (USA) at 6/26/2026 1:53:00 PM to Tijuana Airport, Tijuana Airport (Mexico) arriving at 6/27/2026 12:18:00 AM. 50 Economy ticket for $129 per person are available. Travel duration is 11h 25m
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United Airlines2h 22m07:43 AMDenver AirportDenver Airport9:05 AMSan Diego AirportSan Diego Airport0EconomyA Flight from United Airlines goes from Denver Airport, Denver Airport (USA) at 6/26/2026 7:43:00 AM to San Diego Airport, San Diego Airport (USA) arriving at 6/26/2026 9:05:00 AM. 50 Economy ticket for $134 per person are available. Travel duration is 2h 22m
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Greyhound US36h 10m011:05 AMDenverUnion Station10:15 PMSan DiegoSeaport Village0EconomyA Bus from Greyhound US goes from Union Station, Denver (USA) at 6/26/2026 11:05:00 AM to Seaport Village, San Diego (USA) arriving at 6/27/2026 10:15:00 PM. 50 Economy ticket for $132 per person are available. Travel duration is 36h 10m
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Greyhound US30h 20m011:05 AMDenverUnion Station4:25 PMSan DiegoOld Town Transit Center0EconomyA Bus from Greyhound US goes from Union Station, Denver (USA) at 6/26/2026 11:05:00 AM to Old Town Transit Center, San Diego (USA) arriving at 6/27/2026 4:25:00 PM. 50 Economy ticket for $132 per person are available. Travel duration is 30h 20m
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Greyhound US37h 45m011:05 AMDenverUnion Station11:50 PMSan DiegoOld Town Transit Center0EconomyA Bus from Greyhound US goes from Union Station, Denver (USA) at 6/26/2026 11:05:00 AM to Old Town Transit Center, San Diego (USA) arriving at 6/27/2026 11:50:00 PM. 50 Economy ticket for $132 per person are available. Travel duration is 37h 45m
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Greyhound US41h 45m07:00 PMDenverUnion Station11:45 AMSan DiegoOld Town Transit Center0EconomyA Bus from Greyhound US goes from Union Station, Denver (USA) at 6/26/2026 7:00:00 PM to Old Town Transit Center, San Diego (USA) arriving at 6/28/2026 11:45:00 AM. 50 Economy ticket for $132 per person are available. Travel duration is 41h 45m
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Greyhound US51h 5m08:10 PMDenverUnion Station10:15 PMSan DiegoSeaport Village0EconomyA Bus from Greyhound US goes from Union Station, Denver (USA) at 6/26/2026 8:10:00 PM to Seaport Village, San Diego (USA) arriving at 6/28/2026 10:15:00 PM. 50 Economy ticket for $133 per person are available. Travel duration is 51h 5m
Cheapest Flights Friday
Cheapest Buses Friday
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Frontier Airlines2h 24m010:29 PMDenver AirportDenver Airport11:53 PMSan Diego AirportSan Diego Airport0EconomyA Flight from Frontier Airlines goes from Denver Airport, Denver Airport (USA) at 6/27/2026 10:29:00 PM to San Diego Airport, San Diego Airport (USA) arriving at 6/27/2026 11:53:00 PM. 50 Economy ticket for $98 per person are available. Travel duration is 2h 24m
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Alaska Airlines2h 34m06:00 AMDenver AirportDenver Airport7:34 AMSan Diego AirportSan Diego Airport0EconomyA Flight from Alaska Airlines goes from Denver Airport, Denver Airport (USA) at 6/27/2026 6:00:00 AM to San Diego Airport, San Diego Airport (USA) arriving at 6/27/2026 7:34:00 AM. 50 Economy ticket for $115 per person are available. Travel duration is 2h 34m
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Skyscanner2h 41m08:05 PMDenver AirportDenver Airport9:46 PMSan Diego AirportSan Diego Airport0EconomyA Flight from Skyscanner goes from Denver Airport, Denver Airport (USA) at 6/27/2026 8:05:00 PM to San Diego Airport, San Diego Airport (USA) arriving at 6/27/2026 9:46:00 PM. 50 Economy ticket for $115 per person are available. Travel duration is 2h 41m
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United Airlines2h 22m07:40 AMDenver AirportDenver Airport9:02 AMSan Diego AirportSan Diego Airport0EconomyA Flight from United Airlines goes from Denver Airport, Denver Airport (USA) at 6/27/2026 7:40:00 AM to San Diego Airport, San Diego Airport (USA) arriving at 6/27/2026 9:02:00 AM. 50 Economy ticket for $134 per person are available. Travel duration is 2h 22m
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American Airlines7h 25m08:08 AMDenver AirportDenver Airport2:33 PMSan Diego AirportSan Diego Airport0EconomyA Flight from American Airlines goes from Denver Airport, Denver Airport (USA) at 6/27/2026 8:08:00 AM to San Diego Airport, San Diego Airport (USA) arriving at 6/27/2026 2:33:00 PM. 50 Economy ticket for $165 per person are available. Travel duration is 7h 25m
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Volaris26h 23m05:53 PMDenver AirportDenver Airport7:16 PMTijuana AirportTijuana Airport0EconomyA Flight from Volaris goes from Denver Airport, Denver Airport (USA) at 6/27/2026 5:53:00 PM to Tijuana Airport, Tijuana Airport (Mexico) arriving at 6/28/2026 7:16:00 PM. 50 Economy ticket for $203 per person are available. Travel duration is 26h 23m
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Greyhound US32h 15m011:05 AMDenverUnion Station6:20 PMSan DiegoSan Ysidro Transit Center0EconomyA Bus from Greyhound US goes from Union Station, Denver (USA) at 6/27/2026 11:05:00 AM to San Ysidro Transit Center, San Diego (USA) arriving at 6/28/2026 6:20:00 PM. 50 Economy ticket for $104 per person are available. Travel duration is 32h 15m
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Greyhound US48h 20m07:00 PMDenverUnion Station6:20 PMSan DiegoSan Ysidro Transit Center0EconomyA Bus from Greyhound US goes from Union Station, Denver (USA) at 6/27/2026 7:00:00 PM to San Ysidro Transit Center, San Diego (USA) arriving at 6/29/2026 6:20:00 PM. 50 Economy ticket for $107 per person are available. Travel duration is 48h 20m
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Greyhound US36h 10m011:05 AMDenverUnion Station10:15 PMSan DiegoSeaport Village0EconomyA Bus from Greyhound US goes from Union Station, Denver (USA) at 6/27/2026 11:05:00 AM to Seaport Village, San Diego (USA) arriving at 6/28/2026 10:15:00 PM. 50 Economy ticket for $113 per person are available. Travel duration is 36h 10m
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Greyhound US30h 20m011:05 AMDenverUnion Station4:25 PMSan DiegoOld Town Transit Center0EconomyA Bus from Greyhound US goes from Union Station, Denver (USA) at 6/27/2026 11:05:00 AM to Old Town Transit Center, San Diego (USA) arriving at 6/28/2026 4:25:00 PM. 50 Economy ticket for $113 per person are available. Travel duration is 30h 20m
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Greyhound US37h 45m011:05 AMDenverUnion Station11:50 PMSan DiegoOld Town Transit Center0EconomyA Bus from Greyhound US goes from Union Station, Denver (USA) at 6/27/2026 11:05:00 AM to Old Town Transit Center, San Diego (USA) arriving at 6/28/2026 11:50:00 PM. 50 Economy ticket for $113 per person are available. Travel duration is 37h 45m
Cheapest Flights Saturday
Cheapest Buses Saturday
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Frontier Airlines2h 29m07:40 AMDenver AirportDenver Airport9:09 AMSan Diego AirportSan Diego Airport0EconomyA Flight from Frontier Airlines goes from Denver Airport, Denver Airport (USA) at 6/28/2026 7:40:00 AM to San Diego Airport, San Diego Airport (USA) arriving at 6/28/2026 9:09:00 AM. 50 Economy ticket for $98 per person are available. Travel duration is 2h 29m
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Alaska Airlines2h 34m06:00 AMDenver AirportDenver Airport7:34 AMSan Diego AirportSan Diego Airport0EconomyA Flight from Alaska Airlines goes from Denver Airport, Denver Airport (USA) at 6/28/2026 6:00:00 AM to San Diego Airport, San Diego Airport (USA) arriving at 6/28/2026 7:34:00 AM. 50 Economy ticket for $113 per person are available. Travel duration is 2h 34m
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United Airlines2h 22m07:40 AMDenver AirportDenver Airport9:02 AMSan Diego AirportSan Diego Airport0EconomyA Flight from United Airlines goes from Denver Airport, Denver Airport (USA) at 6/28/2026 7:40:00 AM to San Diego Airport, San Diego Airport (USA) arriving at 6/28/2026 9:02:00 AM. 50 Economy ticket for $134 per person are available. Travel duration is 2h 22m
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Skyscanner2h 41m07:59 PMDenver AirportDenver Airport9:40 PMSan Diego AirportSan Diego Airport0EconomyA Flight from Skyscanner goes from Denver Airport, Denver Airport (USA) at 6/28/2026 7:59:00 PM to San Diego Airport, San Diego Airport (USA) arriving at 6/28/2026 9:40:00 PM. 50 Economy ticket for $183 per person are available. Travel duration is 2h 41m
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Volaris9h 25m01:53 PMDenver AirportDenver Airport10:18 PMTijuana AirportTijuana Airport0EconomyA Flight from Volaris goes from Denver Airport, Denver Airport (USA) at 6/28/2026 1:53:00 PM to Tijuana Airport, Tijuana Airport (Mexico) arriving at 6/28/2026 10:18:00 PM. 50 Economy ticket for $191 per person are available. Travel duration is 9h 25m
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Volaris19h 10m01:53 PMDenver AirportDenver Airport8:03 AMTijuana AirportTijuana Airport0EconomyA Flight from Volaris goes from Denver Airport, Denver Airport (USA) at 6/28/2026 1:53:00 PM to Tijuana Airport, Tijuana Airport (Mexico) arriving at 6/29/2026 8:03:00 AM. 50 Economy ticket for $198 per person are available. Travel duration is 19h 10m
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Greyhound US31h 5m011:05 AMDenverUnion Station5:10 PMSan DiegoSan Ysidro Transit Center0EconomyA Bus from Greyhound US goes from Union Station, Denver (USA) at 6/28/2026 11:05:00 AM to San Ysidro Transit Center, San Diego (USA) arriving at 6/29/2026 5:10:00 PM. 50 Economy ticket for $105 per person are available. Travel duration is 31h 5m
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Greyhound US42h 20m07:00 PMDenverUnion Station12:20 PMSan DiegoSan Ysidro Transit Center0EconomyA Bus from Greyhound US goes from Union Station, Denver (USA) at 6/28/2026 7:00:00 PM to San Ysidro Transit Center, San Diego (USA) arriving at 6/30/2026 12:20:00 PM. 50 Economy ticket for $105 per person are available. Travel duration is 42h 20m
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Greyhound US36h 10m011:05 AMDenverUnion Station10:15 PMSan DiegoSeaport Village0EconomyA Bus from Greyhound US goes from Union Station, Denver (USA) at 6/28/2026 11:05:00 AM to Seaport Village, San Diego (USA) arriving at 6/29/2026 10:15:00 PM. 50 Economy ticket for $106 per person are available. Travel duration is 36h 10m
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Greyhound US30h 20m011:05 AMDenverUnion Station4:25 PMSan DiegoOld Town Transit Center0EconomyA Bus from Greyhound US goes from Union Station, Denver (USA) at 6/28/2026 11:05:00 AM to Old Town Transit Center, San Diego (USA) arriving at 6/29/2026 4:25:00 PM. 50 Economy ticket for $106 per person are available. Travel duration is 30h 20m
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Greyhound US37h 45m011:05 AMDenverUnion Station11:50 PMSan DiegoOld Town Transit Center0EconomyA Bus from Greyhound US goes from Union Station, Denver (USA) at 6/28/2026 11:05:00 AM to Old Town Transit Center, San Diego (USA) arriving at 6/29/2026 11:50:00 PM. 50 Economy ticket for $106 per person are available. Travel duration is 37h 45m
Cheapest Flights Sunday
Cheapest Buses Sunday
What are the fastest trips from Denver to San Diego?
You can get to San Diego from Denver in just 2h 22m with a Flight from United Airlines. This is not the only option, and you can click on any of the offers below to compare it with the other modes of transportations.
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United Airlines2h 22m07:43 AMDenver AirportDenver Airport9:05 AMSan Diego AirportSan Diego Airport0EconomyA Flight from United Airlines goes from Denver Airport, Denver Airport (USA) at 6/26/2026 7:43:00 AM to San Diego Airport, San Diego Airport (USA) arriving at 6/26/2026 9:05:00 AM. 50 Economy ticket for $134 per person are available. Travel duration is 2h 22m
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United Airlines2h 28m07:25 PMDenver AirportDenver Airport8:53 PMMcClellan-Palomar AirportMcClellan-Palomar Airport0EconomyA Flight from United Airlines goes from Denver Airport, Denver Airport (USA) at 6/26/2026 7:25:00 PM to McClellan-Palomar Airport, McClellan-Palomar Airport (USA) arriving at 6/26/2026 8:53:00 PM. 50 Economy ticket for $231 per person are available. Travel duration is 2h 28m
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Frontier Airlines2h 29m07:40 AMDenver AirportDenver Airport9:09 AMSan Diego AirportSan Diego Airport0EconomyA Flight from Frontier Airlines goes from Denver Airport, Denver Airport (USA) at 6/26/2026 7:40:00 AM to San Diego Airport, San Diego Airport (USA) arriving at 6/26/2026 9:09:00 AM. 50 Economy ticket for $128 per person are available. Travel duration is 2h 29m
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United Airlines2h 30m011:40 AMDenver AirportDenver Airport1:10 PMMcClellan-Palomar AirportMcClellan-Palomar Airport0EconomyA Flight from United Airlines goes from Denver Airport, Denver Airport (USA) at 6/26/2026 11:40:00 AM to McClellan-Palomar Airport, McClellan-Palomar Airport (USA) arriving at 6/26/2026 1:10:00 PM. 50 Economy ticket for $231 per person are available. Travel duration is 2h 30m
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Alaska Airlines2h 34m06:00 AMDenver AirportDenver Airport7:34 AMSan Diego AirportSan Diego Airport0EconomyA Flight from Alaska Airlines goes from Denver Airport, Denver Airport (USA) at 6/26/2026 6:00:00 AM to San Diego Airport, San Diego Airport (USA) arriving at 6/26/2026 7:34:00 AM. 50 Economy ticket for $113 per person are available. Travel duration is 2h 34m
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Skyscanner2h 41m07:59 PMDenver AirportDenver Airport9:40 PMSan Diego AirportSan Diego Airport0EconomyA Flight from Skyscanner goes from Denver Airport, Denver Airport (USA) at 6/26/2026 7:59:00 PM to San Diego Airport, San Diego Airport (USA) arriving at 6/26/2026 9:40:00 PM. 50 Economy ticket for $113 per person are available. Travel duration is 2h 41m
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Greyhound US30h 20m011:05 AMDenverUnion Station4:25 PMSan DiegoOld Town Transit Center0EconomyA Bus from Greyhound US goes from Union Station, Denver (USA) at 6/26/2026 11:05:00 AM to Old Town Transit Center, San Diego (USA) arriving at 6/27/2026 4:25:00 PM. 50 Economy ticket for $132 per person are available. Travel duration is 30h 20m
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Greyhound US36h 10m011:05 AMDenverUnion Station10:15 PMSan DiegoSeaport Village0EconomyA Bus from Greyhound US goes from Union Station, Denver (USA) at 6/26/2026 11:05:00 AM to Seaport Village, San Diego (USA) arriving at 6/27/2026 10:15:00 PM. 50 Economy ticket for $132 per person are available. Travel duration is 36h 10m
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Greyhound US37h 45m011:05 AMDenverUnion Station11:50 PMSan DiegoOld Town Transit Center0EconomyA Bus from Greyhound US goes from Union Station, Denver (USA) at 6/26/2026 11:05:00 AM to Old Town Transit Center, San Diego (USA) arriving at 6/27/2026 11:50:00 PM. 50 Economy ticket for $132 per person are available. Travel duration is 37h 45m
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Greyhound US41h 45m07:00 PMDenverUnion Station11:45 AMSan DiegoOld Town Transit Center0EconomyA Bus from Greyhound US goes from Union Station, Denver (USA) at 6/26/2026 7:00:00 PM to Old Town Transit Center, San Diego (USA) arriving at 6/28/2026 11:45:00 AM. 50 Economy ticket for $132 per person are available. Travel duration is 41h 45m
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Greyhound US51h 5m08:10 PMDenverUnion Station10:15 PMSan DiegoSeaport Village0EconomyA Bus from Greyhound US goes from Union Station, Denver (USA) at 6/26/2026 8:10:00 PM to Seaport Village, San Diego (USA) arriving at 6/28/2026 10:15:00 PM. 50 Economy ticket for $133 per person are available. Travel duration is 51h 5m
Fastest Flights Friday
Fastest Buses Friday
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United Airlines2h 22m07:40 AMDenver AirportDenver Airport9:02 AMSan Diego AirportSan Diego Airport0EconomyA Flight from United Airlines goes from Denver Airport, Denver Airport (USA) at 6/27/2026 7:40:00 AM to San Diego Airport, San Diego Airport (USA) arriving at 6/27/2026 9:02:00 AM. 50 Economy ticket for $134 per person are available. Travel duration is 2h 22m
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Frontier Airlines2h 24m010:29 PMDenver AirportDenver Airport11:53 PMSan Diego AirportSan Diego Airport0EconomyA Flight from Frontier Airlines goes from Denver Airport, Denver Airport (USA) at 6/27/2026 10:29:00 PM to San Diego Airport, San Diego Airport (USA) arriving at 6/27/2026 11:53:00 PM. 50 Economy ticket for $98 per person are available. Travel duration is 2h 24m
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United Airlines2h 28m07:25 PMDenver AirportDenver Airport8:53 PMMcClellan-Palomar AirportMcClellan-Palomar Airport0EconomyA Flight from United Airlines goes from Denver Airport, Denver Airport (USA) at 6/27/2026 7:25:00 PM to McClellan-Palomar Airport, McClellan-Palomar Airport (USA) arriving at 6/27/2026 8:53:00 PM. 50 Economy ticket for $229 per person are available. Travel duration is 2h 28m
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United Airlines2h 30m011:40 AMDenver AirportDenver Airport1:10 PMMcClellan-Palomar AirportMcClellan-Palomar Airport0EconomyA Flight from United Airlines goes from Denver Airport, Denver Airport (USA) at 6/27/2026 11:40:00 AM to McClellan-Palomar Airport, McClellan-Palomar Airport (USA) arriving at 6/27/2026 1:10:00 PM. 50 Economy ticket for $229 per person are available. Travel duration is 2h 30m
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Alaska Airlines2h 34m06:00 AMDenver AirportDenver Airport7:34 AMSan Diego AirportSan Diego Airport0EconomyA Flight from Alaska Airlines goes from Denver Airport, Denver Airport (USA) at 6/27/2026 6:00:00 AM to San Diego Airport, San Diego Airport (USA) arriving at 6/27/2026 7:34:00 AM. 50 Economy ticket for $115 per person are available. Travel duration is 2h 34m
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Skyscanner2h 41m08:05 PMDenver AirportDenver Airport9:46 PMSan Diego AirportSan Diego Airport0EconomyA Flight from Skyscanner goes from Denver Airport, Denver Airport (USA) at 6/27/2026 8:05:00 PM to San Diego Airport, San Diego Airport (USA) arriving at 6/27/2026 9:46:00 PM. 50 Economy ticket for $115 per person are available. Travel duration is 2h 41m
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Greyhound US30h 20m011:05 AMDenverUnion Station4:25 PMSan DiegoOld Town Transit Center0EconomyA Bus from Greyhound US goes from Union Station, Denver (USA) at 6/27/2026 11:05:00 AM to Old Town Transit Center, San Diego (USA) arriving at 6/28/2026 4:25:00 PM. 50 Economy ticket for $113 per person are available. Travel duration is 30h 20m
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Greyhound US32h 15m011:05 AMDenverUnion Station6:20 PMSan DiegoSan Ysidro Transit Center0EconomyA Bus from Greyhound US goes from Union Station, Denver (USA) at 6/27/2026 11:05:00 AM to San Ysidro Transit Center, San Diego (USA) arriving at 6/28/2026 6:20:00 PM. 50 Economy ticket for $104 per person are available. Travel duration is 32h 15m
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Greyhound US36h 10m011:05 AMDenverUnion Station10:15 PMSan DiegoSeaport Village0EconomyA Bus from Greyhound US goes from Union Station, Denver (USA) at 6/27/2026 11:05:00 AM to Seaport Village, San Diego (USA) arriving at 6/28/2026 10:15:00 PM. 50 Economy ticket for $113 per person are available. Travel duration is 36h 10m
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Greyhound US37h 45m011:05 AMDenverUnion Station11:50 PMSan DiegoOld Town Transit Center0EconomyA Bus from Greyhound US goes from Union Station, Denver (USA) at 6/27/2026 11:05:00 AM to Old Town Transit Center, San Diego (USA) arriving at 6/28/2026 11:50:00 PM. 50 Economy ticket for $113 per person are available. Travel duration is 37h 45m
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Greyhound US48h 20m07:00 PMDenverUnion Station6:20 PMSan DiegoSan Ysidro Transit Center0EconomyA Bus from Greyhound US goes from Union Station, Denver (USA) at 6/27/2026 7:00:00 PM to San Ysidro Transit Center, San Diego (USA) arriving at 6/29/2026 6:20:00 PM. 50 Economy ticket for $107 per person are available. Travel duration is 48h 20m
Fastest Flights Saturday
Fastest Buses Saturday
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United Airlines2h 22m07:40 AMDenver AirportDenver Airport9:02 AMSan Diego AirportSan Diego Airport0EconomyA Flight from United Airlines goes from Denver Airport, Denver Airport (USA) at 6/28/2026 7:40:00 AM to San Diego Airport, San Diego Airport (USA) arriving at 6/28/2026 9:02:00 AM. 50 Economy ticket for $134 per person are available. Travel duration is 2h 22m
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United Airlines2h 28m07:25 PMDenver AirportDenver Airport8:53 PMMcClellan-Palomar AirportMcClellan-Palomar Airport0EconomyA Flight from United Airlines goes from Denver Airport, Denver Airport (USA) at 6/28/2026 7:25:00 PM to McClellan-Palomar Airport, McClellan-Palomar Airport (USA) arriving at 6/28/2026 8:53:00 PM. 50 Economy ticket for $231 per person are available. Travel duration is 2h 28m
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Frontier Airlines2h 29m07:40 AMDenver AirportDenver Airport9:09 AMSan Diego AirportSan Diego Airport0EconomyA Flight from Frontier Airlines goes from Denver Airport, Denver Airport (USA) at 6/28/2026 7:40:00 AM to San Diego Airport, San Diego Airport (USA) arriving at 6/28/2026 9:09:00 AM. 50 Economy ticket for $98 per person are available. Travel duration is 2h 29m
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United Airlines2h 30m011:40 AMDenver AirportDenver Airport1:10 PMMcClellan-Palomar AirportMcClellan-Palomar Airport0EconomyA Flight from United Airlines goes from Denver Airport, Denver Airport (USA) at 6/28/2026 11:40:00 AM to McClellan-Palomar Airport, McClellan-Palomar Airport (USA) arriving at 6/28/2026 1:10:00 PM. 50 Economy ticket for $231 per person are available. Travel duration is 2h 30m
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Alaska Airlines2h 34m06:00 AMDenver AirportDenver Airport7:34 AMSan Diego AirportSan Diego Airport0EconomyA Flight from Alaska Airlines goes from Denver Airport, Denver Airport (USA) at 6/28/2026 6:00:00 AM to San Diego Airport, San Diego Airport (USA) arriving at 6/28/2026 7:34:00 AM. 50 Economy ticket for $113 per person are available. Travel duration is 2h 34m
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Skyscanner2h 41m07:59 PMDenver AirportDenver Airport9:40 PMSan Diego AirportSan Diego Airport0EconomyA Flight from Skyscanner goes from Denver Airport, Denver Airport (USA) at 6/28/2026 7:59:00 PM to San Diego Airport, San Diego Airport (USA) arriving at 6/28/2026 9:40:00 PM. 50 Economy ticket for $183 per person are available. Travel duration is 2h 41m
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Greyhound US30h 20m011:05 AMDenverUnion Station4:25 PMSan DiegoOld Town Transit Center0EconomyA Bus from Greyhound US goes from Union Station, Denver (USA) at 6/28/2026 11:05:00 AM to Old Town Transit Center, San Diego (USA) arriving at 6/29/2026 4:25:00 PM. 50 Economy ticket for $106 per person are available. Travel duration is 30h 20m
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Greyhound US31h 5m011:05 AMDenverUnion Station5:10 PMSan DiegoSan Ysidro Transit Center0EconomyA Bus from Greyhound US goes from Union Station, Denver (USA) at 6/28/2026 11:05:00 AM to San Ysidro Transit Center, San Diego (USA) arriving at 6/29/2026 5:10:00 PM. 50 Economy ticket for $105 per person are available. Travel duration is 31h 5m
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Greyhound US36h 10m011:05 AMDenverUnion Station10:15 PMSan DiegoSeaport Village0EconomyA Bus from Greyhound US goes from Union Station, Denver (USA) at 6/28/2026 11:05:00 AM to Seaport Village, San Diego (USA) arriving at 6/29/2026 10:15:00 PM. 50 Economy ticket for $106 per person are available. Travel duration is 36h 10m
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Greyhound US37h 45m011:05 AMDenverUnion Station11:50 PMSan DiegoOld Town Transit Center0EconomyA Bus from Greyhound US goes from Union Station, Denver (USA) at 6/28/2026 11:05:00 AM to Old Town Transit Center, San Diego (USA) arriving at 6/29/2026 11:50:00 PM. 50 Economy ticket for $106 per person are available. Travel duration is 37h 45m
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Greyhound US42h 20m07:00 PMDenverUnion Station12:20 PMSan DiegoSan Ysidro Transit Center0EconomyA Bus from Greyhound US goes from Union Station, Denver (USA) at 6/28/2026 7:00:00 PM to San Ysidro Transit Center, San Diego (USA) arriving at 6/30/2026 12:20:00 PM. 50 Economy ticket for $105 per person are available. Travel duration is 42h 20m
Fastest Flights Sunday
Fastest Buses Sunday
Here you will find all operators and timetables for a
Bus from Denver to San Diego
What are the most popular stations in Denver and San Diego?
In Denver, you will usually depart from Federal Blvd & W 19th Ave Bus Stop, Union Station or Bus Stop, while in San Diego you will be arriving at San Ysidro Transit Center, University Av & Bancroft St Bus Stop or Old Town Transit Center, but there are many more stops to explore in both locations.
How do I decide? Some tips and tricks from our experience
Are you having trouble deciding on how to get to San Diego from Denver? With 20 connections between 1 Flight and Bus operators, it can be difficult to find the one ride that will make you happy. But we have some tips that can help you make the best informed decision. First of all, the best trip is always the one that meets all your needs, so make a list of all the things that you want from this journey and look for something that will satisfy all of them. Here we will go through some of the factors mostly commonly taken into consideration.
Look for the lowest price
Ticket price is usually the main concern: even if you can afford to pay more, why do it if there are cheaper options? Saving on the trip means that you can spend more on the vacation itself! Between Denver and San Diego, you can pay as low as $98 with a Flight from Frontier Airlines.Travel duration
Time is also an important factor. An earlier departure may allow you to see a beautiful sunset or relax before an important event. And remember, time is money, so paying more for a shorter trip may be well worth it. For longer distances, flights are without doubt the best options, but be mindful of airport times and possible delays: a high-speed train may end up cheaper and faster! Here the quicker option is definitely the Flight from United Airlines: you will get to San Diego in just 2h 22m.Comfort makes all the difference
You should always take into account what your personal travelling preferences are. Is one hand luggage enough, or are you trasporting more? Would you like to have a snack during the journey? Can you relax in a busy compartment, or do you need space for yourself? Even among the same mode of transportation, different companies will offer you varying levels of comfort and amenities. The main operators connecting Denver and San Diego are United Airlines, Greyhound US and Volaris, but be sure to check what they have to offer!Save money with deals, and always compare
One last tip? Even if you live in Denver and San Diego is your only destination, it may be wise to check the offers from and to nearby cities or, if you are flyng, nearby airports. Check the trips from Mountain View, CO or to San Diego Airport, and look at flights from Denver Airport, and landing at Tijuana Airport. Comparing different routes may allow you to find deals or promotions you were not aware of. Consider also signing up to CheckMyBus to see even more exclusive promotions!Which companies offer a trip from Denver to San Diego?
The most popular companies between Denver and San Diego, are United Airlines, Greyhound US and Volaris. Be sure to check their seat class offers and the amenities that they provide.
Bus companies: Greyhound US
Airlines: United Airlines, Volaris, Aeroméxico and 6 more.
All you need to know when you travel from Denver to San Diego
Check all information on comfort and services on all modes of transports from Denver to San Diego. See which seat classes are available, and what amenities are other advantages offered by the operators on your journey.
FAQs about the trip from Denver to San Diego
How can I reach San Diego from Denver?
Every day, there are on average 20 connections between Flight and Bus, with which you can get to San Diego from Denver.
How far is San Diego from Denver?
The distance between Denver and San Diego is 832.5 miles.
What is the most ecofriendly mode of transport between Denver and San Diego?
Trains and buses are by far the greenest options, with trains surpassing buses on longer routes. Planes will always be the worst polluters, especially in shorter flights, were the emissions from the takeoff and landing are less offset by the distance.
On this particular route, a bus will emit, per person, a total of 36 kgs of CO2, a train 47 kgs, a car 228 kgs, and a flight 330 kgs.
What is the cheapest mode of transport from Denver to San Diego?
You can get to San Diego with just $98 by taking a Flight from Frontier Airlines.
What is the fastest way to get from Denver to San Diego?
While a plane is travelling fastest boarding and transfer to airport consumes a lot of time. Usually, high speed trains are better than flights if pure train travel time is below 4 hours. For this particular route, you can get to San Diego in just 2h 22m with a Flight from United Airlines.
More routes to Denver and to San Diego
Looking for more options? Here you can see the most popular routes to Denver and to San Diego. Simply click on a connection, and you’ll find all the details about the route!
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