Bus Ontario, CA to Denver: Compare prices and save money

Compare all timetables for the bus from Ontario, CA to Denver

Here is a selection of the cheapest bus trips from the schedule from Ontario, CA to Denver from various bus operators like Greyhound US or FlixBus for the next days.

today

$93

tomorrow

$86

Wednesday

$88

Thursday

$90

Friday

$93

Saturday

$87

Sunday

$86

Cheapest bus trips today
BertCompanyCountOneCompanyName	Duration	Departure time	From	Departure	Arrival time	To	Destination	Seat classes	Price
Greyhound US	29h 10m	1:40 AM	Ontario, CA	Montclair Place	7:50 AM	Denver	Union Station	Economy	$93	A Bus from Greyhound US goes from Montclair Place, Ontario, CA (USA) at 4/20/2026 1:40:00 AM to Union Station, Denver (USA) arriving at 4/21/2026 7:50:00 AM. 50 Economy ticket for $93 per person are available. Travel duration is 29h 10m
Greyhound US	21h 45m	6:55 PM	Ontario, CA	Montclair Place	5:40 PM	Denver	Union Station	Economy	$93	A Bus from Greyhound US goes from Montclair Place, Ontario, CA (USA) at 4/20/2026 6:55:00 PM to Union Station, Denver (USA) arriving at 4/21/2026 5:40:00 PM. 50 Economy ticket for $93 per person are available. Travel duration is 21h 45m
FlixBus	26h 5m	2:35 PM	Ontario, CA	Montclair Place	5:40 PM	Denver	Union Station	Economy	$106	A Bus from FlixBus goes from Montclair Place, Ontario, CA (USA) at 4/20/2026 2:35:00 PM to Union Station, Denver (USA) arriving at 4/21/2026 5:40:00 PM. 50 Economy ticket for $106 per person are available. Travel duration is 26h 5m

Cheapest bus trips tomorrow
Mode of Transport	BertCompanyCountOneCompanyName	Duration	Departure time	From	Departure	Arrival time	To	Destination	Logo	Seat classes	Price
	Greyhound US	21h 45m	6:55 PM	Ontario, CA	Montclair Place	5:40 PM	Denver	Union Station		Economy	$86	A Bus from Greyhound US goes from Montclair Place, Ontario, CA (USA) at 4/21/2026 6:55:00 PM to Union Station, Denver (USA) arriving at 4/22/2026 5:40:00 PM. 50 Economy ticket for $86 per person are available. Travel duration is 21h 45m
	FlixBus	26h 5m	2:35 PM	Ontario, CA	Montclair Place	5:40 PM	Denver	Union Station		Economy	$89	A Bus from FlixBus goes from Montclair Place, Ontario, CA (USA) at 4/21/2026 2:35:00 PM to Union Station, Denver (USA) arriving at 4/22/2026 5:40:00 PM. 50 Economy ticket for $89 per person are available. Travel duration is 26h 5m

Cheapest bus trips Wednesday
Mode of Transport	BertCompanyCountOneCompanyName	Duration	Departure time	From	Departure	Arrival time	To	Destination	Logo	Seat classes	Price
	Greyhound US	21h 45m	6:55 PM	Ontario, CA	Montclair Place	5:40 PM	Denver	Union Station		Economy	$88	A Bus from Greyhound US goes from Montclair Place, Ontario, CA (USA) at 4/22/2026 6:55:00 PM to Union Station, Denver (USA) arriving at 4/23/2026 5:40:00 PM. 50 Economy ticket for $88 per person are available. Travel duration is 21h 45m
	FlixBus	26h 5m	2:35 PM	Ontario, CA	Montclair Place	5:40 PM	Denver	Union Station		Economy	$91	A Bus from FlixBus goes from Montclair Place, Ontario, CA (USA) at 4/22/2026 2:35:00 PM to Union Station, Denver (USA) arriving at 4/23/2026 5:40:00 PM. 50 Economy ticket for $91 per person are available. Travel duration is 26h 5m

Cheapest bus trips Thursday
BertCompanyCountOneCompanyName	Duration	Departure time	From	Departure	Arrival time	To	Destination	Seat classes	Price
Greyhound US	29h 10m	1:40 AM	Ontario, CA	Montclair Place	7:50 AM	Denver	Union Station	Economy	$90	A Bus from Greyhound US goes from Montclair Place, Ontario, CA (USA) at 4/23/2026 1:40:00 AM to Union Station, Denver (USA) arriving at 4/24/2026 7:50:00 AM. 50 Economy ticket for $90 per person are available. Travel duration is 29h 10m
Greyhound US	21h 45m	6:55 PM	Ontario, CA	Montclair Place	5:40 PM	Denver	Union Station	Economy	$90	A Bus from Greyhound US goes from Montclair Place, Ontario, CA (USA) at 4/23/2026 6:55:00 PM to Union Station, Denver (USA) arriving at 4/24/2026 5:40:00 PM. 50 Economy ticket for $90 per person are available. Travel duration is 21h 45m
FlixBus	26h 5m	2:35 PM	Ontario, CA	Montclair Place	5:40 PM	Denver	Union Station	Economy	$93	A Bus from FlixBus goes from Montclair Place, Ontario, CA (USA) at 4/23/2026 2:35:00 PM to Union Station, Denver (USA) arriving at 4/24/2026 5:40:00 PM. 50 Economy ticket for $93 per person are available. Travel duration is 26h 5m

Cheapest bus trips Friday
BertCompanyCountOneCompanyName	Duration	Departure time	From	Departure	Arrival time	To	Destination	Seat classes	Price
Greyhound US	29h 10m	1:40 AM	Ontario, CA	Montclair Place	7:50 AM	Denver	Union Station	Economy	$93	A Bus from Greyhound US goes from Montclair Place, Ontario, CA (USA) at 4/24/2026 1:40:00 AM to Union Station, Denver (USA) arriving at 4/25/2026 7:50:00 AM. 50 Economy ticket for $93 per person are available. Travel duration is 29h 10m
Greyhound US	21h 45m	6:55 PM	Ontario, CA	Montclair Place	5:40 PM	Denver	Union Station	Economy	$93	A Bus from Greyhound US goes from Montclair Place, Ontario, CA (USA) at 4/24/2026 6:55:00 PM to Union Station, Denver (USA) arriving at 4/25/2026 5:40:00 PM. 50 Economy ticket for $93 per person are available. Travel duration is 21h 45m
FlixBus	26h 5m	2:35 PM	Ontario, CA	Montclair Place	5:40 PM	Denver	Union Station	Economy	$96	A Bus from FlixBus goes from Montclair Place, Ontario, CA (USA) at 4/24/2026 2:35:00 PM to Union Station, Denver (USA) arriving at 4/25/2026 5:40:00 PM. 50 Economy ticket for $96 per person are available. Travel duration is 26h 5m

Cheapest bus trips Saturday
BertCompanyCountOneCompanyName	Duration	Departure time	From	Departure	Arrival time	To	Destination	Seat classes	Price
Greyhound US	29h 10m	1:40 AM	Ontario, CA	Montclair Place	7:50 AM	Denver	Union Station	Economy	$87	A Bus from Greyhound US goes from Montclair Place, Ontario, CA (USA) at 4/25/2026 1:40:00 AM to Union Station, Denver (USA) arriving at 4/26/2026 7:50:00 AM. 50 Economy ticket for $87 per person are available. Travel duration is 29h 10m
Greyhound US	21h 45m	6:55 PM	Ontario, CA	Montclair Place	5:40 PM	Denver	Union Station	Economy	$87	A Bus from Greyhound US goes from Montclair Place, Ontario, CA (USA) at 4/25/2026 6:55:00 PM to Union Station, Denver (USA) arriving at 4/26/2026 5:40:00 PM. 50 Economy ticket for $87 per person are available. Travel duration is 21h 45m
FlixBus	26h 5m	2:35 PM	Ontario, CA	Montclair Place	5:40 PM	Denver	Union Station	Economy	$89	A Bus from FlixBus goes from Montclair Place, Ontario, CA (USA) at 4/25/2026 2:35:00 PM to Union Station, Denver (USA) arriving at 4/26/2026 5:40:00 PM. 50 Economy ticket for $89 per person are available. Travel duration is 26h 5m

Cheapest bus trips Sunday
BertCompanyCountOneCompanyName	Duration	Departure time	From	Departure	Arrival time	To	Destination	Seat classes	Price
Greyhound US	21h 45m	6:55 PM	Ontario, CA	Montclair Place	5:40 PM	Denver	Union Station	Economy	$86	A Bus from Greyhound US goes from Montclair Place, Ontario, CA (USA) at 4/26/2026 6:55:00 PM to Union Station, Denver (USA) arriving at 4/27/2026 5:40:00 PM. 50 Economy ticket for $86 per person are available. Travel duration is 21h 45m
Greyhound US	29h 10m	1:40 AM	Ontario, CA	Montclair Place	7:50 AM	Denver	Union Station	Economy	$87	A Bus from Greyhound US goes from Montclair Place, Ontario, CA (USA) at 4/26/2026 1:40:00 AM to Union Station, Denver (USA) arriving at 4/27/2026 7:50:00 AM. 50 Economy ticket for $87 per person are available. Travel duration is 29h 10m
FlixBus	26h 5m	2:35 PM	Ontario, CA	Montclair Place	5:40 PM	Denver	Union Station	Economy	$89	A Bus from FlixBus goes from Montclair Place, Ontario, CA (USA) at 4/26/2026 2:35:00 PM to Union Station, Denver (USA) arriving at 4/27/2026 5:40:00 PM. 50 Economy ticket for $89 per person are available. Travel duration is 26h 5m

Best Price Offer: The price for the cheapest bus from Ontario, CA to Denver is $83 on 4/27/2026. Flexible travelers save on ticket prices.

Frequency of bus connections between Ontario, CA and Denver

See here how frequent the connections between Ontario, CA and Denver are, during different times and days of the week.

Saturday is the busiest day, with more than 6 daily buses from Ontario, CA to Denver. Tuesday has instead the fewest connections, with only 2 daily coaches between Ontario, CA and Denver.

The busiest time of the day is the Afternoon, with 8 buses from Ontario, CA to Denver, while Night sees the fewest connections between Ontario, CA and Denver, with 6 offers.

Facts about the bus from Ontario, CA to Denver

Compare all providers like Greyhound US and FlixBus that travel 3 times every day by bus from Ontario, CA to Denver in one click! Book your bus ticket from Ontario, CA to Denver starting from $83!

Cheapest Bus	$83
Fastest Bus	22h 45m
Earliest Bus	1:40 AM
Latest Bus	6:55 PM
Daily Bus Routes	3 Ø
Distance	801.2 miles
Bus Companies	Greyhound US and FlixBus

Cheapest bus connections from Ontario, CA to Denver

Every day, 3 buses from 2 bus companies leave Ontario, CA for Denver: in the table below, you will find the cheapest prices for a bus ticket for this route, starting from 04/20/2026 and for the following days.

Sunday

Monday

Tuesday

Wednesday

Thursday

Friday

Saturday

Sunday 04/19

Monday 04/20

$93

Tuesday 04/21

$86

Wednesday 04/22

$88

Thursday 04/23

$90

Friday 04/24

$93

Saturday 04/25

$87

Sunday 04/26

$86

Monday 04/27

$83

Tuesday 04/28

$86

Wednesday 04/29

$91

Thursday 04/30

Friday 05/01

$88

Saturday 05/02

Sunday 05/03

Monday 05/04

$86

Tuesday 05/05

Wednesday 05/06

Thursday 05/07

Friday 05/08

$89

Saturday 05/09

$96

Sunday 05/10

Monday 05/11

$93

Tuesday 05/12

$98

Wednesday 05/13

$93

Thursday 05/14

$94

Friday 05/15

$107

Saturday 05/16

The cheapest time to travel from Ontario, CA to Denver

See here on which day and which time of the day you can find the cheapest bus ticket from Ontario, CA to Denver, for the next 30 days.

With a price starting from $83, Monday is the cheapest day for a bus from Ontario, CA to Denver. Thursday instead is the most expensive day with prices starting from $90.

Night is the cheapest day time for bus tickets from Ontario, CA to Denver, with $83. Afternoon is the most expensive time of the day with prices starting from $89.

How to save money travelling from Ontario, CA to Denver

Travel can be expensive, but it doesn't need to be! Do you want to avoid paying a terrible price for your trip? Then follow these quick steps to save money:

Book the ticket from Ontario, CA to Denver in advance! The earlier you book, the cheaper usually the price is. Also, you will be sure to have a place on the bus from Ontario, CA to Denver, compared instead if you buy it at the last moment, or directly at the station.

If you can, avoid travelling at peak times. Instead of weekend, try travelling during the week. Travelling in the evening or at night it’s also cheaper, and later buses from Ontario, CA to Denver are also emptier.

All bus stations and stops in Ontario, CA and Denver

In the map below, you can see where to find all bus stations in Ontario, CA and Denver.

Convention Center

E Holt Blvd 2200

Montclair Place

Moreno Street Montclair

Carl's Jr & Teriyaki House

E 4th St 1625

Mills Drive Eb Fs

S Euclid Ave

Federal Blvd & W 19th Ave Bus Stop

Federal Blvd & W 19th Ave Federal Blvd & W 19th Ave

Bus Stop

Colorado Station

E Evans Ave 4401

19th St. Bus Station

19th St 1055

Rtd Market St

Market St 1601

Service and Comfort on the bus from Ontario, CA to Denver

Want to know which seat classes are available on the buses from Ontario, CA to Denver? Or which bus companies serve the route Ontario, CA to Denver? Below you will find answers to your questions.

FAQs about the Ontario, CA to Denver bus

How much does a Ontario, CA Denver bus trip cost?

This depends on, among other things, the day and time of travel. The cheapest trip is available from $83 and takes 22h 45m to reach Denver. Compare offers to save money!

How much could I save by comparing buses from Ontario, CA to Denver?

This route is offered by 2 companies with a range of ticket prices between $83 and $106. Thus, we recommend booking your ticket as early as possible to make sure you get the cheapest bus ticket to Denver.

On average, how many connections are available from Ontario, CA to Denver each day?

Every day, the Ontario, CA to Denver bus route is served by approximately 3 connections. With our search, you can compare bus times to find the perfect trip.

How long does a bus journey from Ontario, CA to Denver take?

The fastest bus from Ontario, CA to Denver is offered by Greyhound US and takes 22h 45m. Bus tickets for this connection cost $93. In this context, bear in mind that the journey can take longer due to traffic.

What time is the first bus from Ontario, CA to Denver?

The earliest bus arriving in Denver from Ontario, CA starts at 1:40 AM. However, information regarding departure times may differ on weekends and holidays. Simply use our search to find exact times for your planned travel date.

What time is the last bus from Ontario, CA to Denver?

The latest bus trip departing from Ontario, CA for Denver starts at 6:55 PM. Please note that departure times may differ on weekends and holidays. So just use our search to find the exact times for your planned travel date.

Which bus companies operate the Ontario, CA Denver route?

When traveling by bus from Ontario, CA to Denver, passengers can travel with Greyhound US and FlixBus. With our search, you can compare all available bus tickets to book the one that works for you.

Is there a direct bus between Ontario, CA and Denver?

You can check all the direct connections between Ontario, CA and Denver by using our search and looking at the Changes section in our filters. These are some of the companies which offer a direct bus: Greyhound US and FlixBus.

What can I take with me on the Ontario, CA to Denver bus route?

Depending on which provider you travel with, what you're allowed to bring with you can vary. Generally, you can take a suitcase and hand luggage with you on the Ontario, CA Denver bus route free of charge. Simply use our search to find a bus that is best suited to your needs for your planned travel date.

What equipment is available for the Ontario, CA Denver bus route?

The equipment on board differs depending on the provider. However, many long-distance buses have WiFi so you can tell your friends your exact location during the journey. To make traveling even more pleasant, air conditioning systems provide ventilation. It is best to use our search to get precise information about the equipment of the bus from Ontario, CA to Denver on your planned travel date.

How does CheckMyBus find the best bus deals from Ontario, CA to Denver?

CheckMyBus collaborates directly with companies around the world to provide you with the best options when searching for a trip. We retrieve their first-hand data to show you real-time prices, schedules, and seat availability for 3 daily trips between Ontario, CA and Denver. With the most up-to-date information from verified sources, you can fairly compare all available options and choose the trip that suits you best.

How does CheckMyBus technology work for trips from Ontario, CA to Denver?

Prices and availability for 3 trips between Ontario, CA and Denver change constantly. To provide you with the most up-to-date information, we connect directly with bus operators, Online Travel Agencies (OTAs), and Global Distribution Systems (GDS) via real-time interfaces (APIs). The data collected from these sources undergoes strict quality checks, is processed within our infrastructure, and is then presented to you on our search results pages. Visit our About Us page to learn more.

Available seat classes which are offered on the bus route Ontario, CA to Denver

Economy

The cheapest option available for your ticket, it usually comes with reclinable seats and AC.

More bus routes to Ontario, CA and to Denver

Here’s an overview of the most popular bus routes to Ontario, CA and to Denver. Simply click on the connection of your choice, and you will find all the details about your bus route!