Which bus from Ontario, CA to Seattle, WA is the cheapest?

Compare all bus companies and find the best price: Bus tickets from $173
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Compare all timetables for the bus from Ontario, CA to Seattle, WA

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

today
tomorrow
$175
Sunday
Monday
Tuesday
Wednesday
Thursday
$177

Cheapest bus trips tomorrow

Mode of Transport BertCompanyCountOneCompanyName Duration Departure time From Departure Arrival time To Destination Logo Seat classes Price
Greyhound US 47h 50m 2:00 PM Ontario, CA Montclair Place 1:50 PM Seattle, WA Padelford Hall (PDL)  Economy $175
FlixBus 33h 10m 4:40 AM Ontario, CA Montclair Place 1:50 PM Seattle, WA Padelford Hall (PDL)  Economy $180
FlixBus 32h 40m 4:40 AM Ontario, CA Montclair Place 1:20 PM Seattle, WA Amtrak King Street Station  Economy $182
Greyhound US 33h 30m 4:20 AM Ontario, CA Montclair Place 1:50 PM Seattle, WA Padelford Hall (PDL)  Economy $184
Greyhound US 33h 0m 4:20 AM Ontario, CA Montclair Place 1:20 PM Seattle, WA Amtrak King Street Station  Economy $186
  • Did you know that if you travel from Ontario, CA to Seattle, WA via Los Angeles, you can save more than $21? You can find the corresponding connections below.
    • Busbud
      33h 0m
      0
      4:20 AM
      Ontario, CA
      Montclair Place
      5:10 AM
      Los Angeles
      Union Station
      0
      Busbud
      Economy
      $5
      • Waiting Time 5h 55m
    • FlixBus
      26h 15m
      0
      11:05 AM
      Los Angeles
      Union Station
      1:20 PM
      Seattle, WA
      Amtrak King Street Station
      0
      FlixBus
      Economy
      $149
    Travel time is 0h 20m longer, but you will save $21

Cheapest bus trips Thursday

Mode of Transport BertCompanyCountOneCompanyName Duration Departure time From Departure Arrival time To Destination Logo Seat classes Price
FlixBus 35h 15m 1:35 PM Ontario, CA Montclair Place 12:50 AM Seattle, WA Amtrak King Street Station  Economy $177
Greyhound US 27h 45m 9:05 PM Ontario, CA Montclair Place 12:50 AM Seattle, WA Amtrak King Street Station  Economy $187
Greyhound US 47h 50m 2:00 PM Ontario, CA Montclair Place 1:50 PM Seattle, WA Padelford Hall (PDL)  Economy $203
Greyhound US 33h 30m 4:20 AM Ontario, CA Montclair Place 1:50 PM Seattle, WA Padelford Hall (PDL)  Economy $206
FlixBus 33h 10m 4:40 AM Ontario, CA Montclair Place 1:50 PM Seattle, WA Padelford Hall (PDL)  Economy $206
  • Did you know that if you travel from Ontario, CA to Seattle, WA via Los Angeles, you can save more than $23? You can find the corresponding connections below.
    • Busbud
      27h 35m
      0
      9:15 PM
      Ontario, CA
      Montclair Place
      9:55 PM
      Los Angeles
      Union Station
      0
      Busbud
      Economy
      $5
      • Waiting Time 1h 50m
    • FlixBus
      25h 5m
      0
      11:45 PM
      Los Angeles
      Union Station
      12:50 AM
      Seattle, WA
      Amtrak King Street Station
      0
      FlixBus
      Economy
      $149
    Travel Time is 0h 10m shorter, and you will save $23

Best Price Offer: The price for the cheapest bus from Ontario, CA to Seattle, WA is $173 on 12/13/2025. Flexible travelers save on ticket prices.


Frequency of bus connections between Ontario, CA and Seattle, WA

See here how frequent the connections between Ontario, CA and Seattle, WA are, during different times and days of the week.
Thursday is the busiest day, with more than 7 daily buses from Ontario, CA to Seattle, WA. Thursday has instead the fewest connections, with only 7 daily coaches between Ontario, CA and Seattle, WA.
The busiest time of the day is the Night, with 8 buses from Ontario, CA to Seattle, WA, while Evening sees the fewest connections between Ontario, CA and Seattle, WA, with 2 offers.

Facts about the bus from Ontario, CA to Seattle, WA

Compare all providers like Greyhound US and FlixBus that travel 7 times every day by bus from Ontario, CA to Seattle, WA in one click! Book your bus ticket from Ontario, CA to Seattle, WA starting from $173!

Cheapest Bus $173
Fastest Bus 27h 45m
Earliest Bus 4:20 AM
Latest Bus 9:05 PM
Daily Bus Routes 7 Ø
Distance 967.0 miles
Bus Companies Greyhound US and FlixBus

Cheapest bus connections from Ontario, CA to Seattle, WA

Every day, 7 buses from 2 bus companies leave Ontario, CA for Seattle, WA: in the table below, you will find the cheapest prices for a bus ticket for this route, starting from 12/05/2025 and for the following days.

Sunday
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
Sunday 11/30
Monday 12/01
Tuesday 12/02
Wednesday 12/03
Thursday 12/04
Friday 12/05
Saturday 12/06
$175
Sunday 12/07
Monday 12/08
Tuesday 12/09
Wednesday 12/10
Thursday 12/11
$177
Friday 12/12
Saturday 12/13
$173
Sunday 12/14
Monday 12/15
Tuesday 12/16
Wednesday 12/17
Thursday 12/18
Friday 12/19
Saturday 12/20
Sunday 12/21
Monday 12/22
Tuesday 12/23
Wednesday 12/24
Thursday 12/25
Friday 12/26
Saturday 12/27

The cheapest time to travel from Ontario, CA to Seattle, WA

See here on which day and which time of the day you can find the cheapest bus ticket from Ontario, CA to Seattle, WA, for the next 30 days.
With a price starting from $173, Saturday is the cheapest day for a bus from Ontario, CA to Seattle, WA. Thursday instead is the most expensive day with prices starting from $177.
Night is the cheapest day time for bus tickets from Ontario, CA to Seattle, WA, with $173. Evening is the most expensive time of the day with prices starting from $187.

How to save money travelling from Ontario, CA to Seattle, WA

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 Seattle, WA 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 Seattle, WA, 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 Seattle, WA are also emptier.

Beloved bus companies from Ontario, CA to Seattle, WA

These are the most booked bus companies between Ontario, CA to Seattle, WA from our users.

FlixBus from Ontario, CA to Seattle, WA

FlixBus

Here you will find the key facts about the FlixBus bus route Ontario, CA to Seattle, WA:

Cheapest Price $177
Fastest Bus 32h 40m
Earliest Bus 4:40 AM
Last Bus 1:35 PM
Daily Connections 3 Ø
Found on 12/3/2025

All bus stations and stops in Ontario, CA and Seattle, WA

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

Service and Comfort on the bus from Ontario, CA to Seattle, WA

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

FAQs about the Ontario, CA to Seattle, WA bus

How much does a Ontario, CA Seattle, WA bus trip cost?

This depends on, among other things, the day and time of travel. The cheapest trip is available from $173 and takes 47h 50m to reach Seattle, WA. Compare offers to save money!

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

This route is offered by 2 companies with a range of ticket prices between $173 and $208. Thus, we recommend booking your ticket as early as possible to make sure you get the cheapest bus ticket to Seattle, WA.

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

Every day, the Ontario, CA to Seattle, WA bus route is served by approximately 7 connections. With our search, you can compare bus times to find the perfect trip.

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

The fastest bus from Ontario, CA to Seattle, WA is offered by Greyhound US and takes 27h 45m. Bus tickets for this connection cost $188. 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 Seattle, WA?

The earliest bus arriving in Seattle, WA from Ontario, CA starts at 4:20 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 Seattle, WA?

The latest bus trip departing from Ontario, CA for Seattle, WA starts at 9:05 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 Seattle, WA route?

When traveling by bus from Ontario, CA to Seattle, WA, 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 Seattle, WA?

You can check all the direct connections between Ontario, CA and Seattle, WA 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 Seattle, WA 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 Seattle, WA 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 Seattle, WA 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 Seattle, WA on your planned travel date.

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

Economy
Economy

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

More bus routes to Ontario, CA and to Seattle, WA

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