Bus Ontario, CA to Seattle, WA - Compare all Companies

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

Friday

Saturday

Sunday

$212

Monday

$234

Tuesday

Cheapest bus trips Sunday
BertCompanyCountOneCompanyName	Duration	Departure time	From	Departure	Arrival time	To	Destination	Seat classes	Price
FlixBus	35h 15m	1:35 PM	Ontario, CA	Montclair Place	12:50 AM	Seattle, WA	Amtrak King Street Station	Economy	$212	A Bus from FlixBus goes from Montclair Place, Ontario, CA (USA) at 12/28/2025 1:35:00 PM to Amtrak King Street Station, Seattle, WA (USA) arriving at 12/30/2025 12:50:00 AM. 50 Economy ticket for $212 per person are available. Travel duration is 35h 15m
Greyhound US	47h 50m	2:00 PM	Ontario, CA	Montclair Place	1:50 PM	Seattle, WA	Padelford Hall (PDL)	Economy	$226	A Bus from Greyhound US goes from Montclair Place, Ontario, CA (USA) at 12/28/2025 2:00:00 PM to Padelford Hall (PDL), Seattle, WA (USA) arriving at 12/30/2025 1:50:00 PM. 50 Economy ticket for $226 per person are available. Travel duration is 47h 50m
Greyhound US	27h 45m	9:05 PM	Ontario, CA	Montclair Place	12:50 AM	Seattle, WA	Amtrak King Street Station	Economy	$231	A Bus from Greyhound US goes from Montclair Place, Ontario, CA (USA) at 12/28/2025 9:05:00 PM to Amtrak King Street Station, Seattle, WA (USA) arriving at 12/30/2025 12:50:00 AM. 50 Economy ticket for $231 per person are available. Travel duration is 27h 45m
FlixBus	32h 40m	4:40 AM	Ontario, CA	Montclair Place	1:20 PM	Seattle, WA	Amtrak King Street Station	Economy	$262	A Bus from FlixBus goes from Montclair Place, Ontario, CA (USA) at 12/28/2025 4:40:00 AM to Amtrak King Street Station, Seattle, WA (USA) arriving at 12/29/2025 1:20:00 PM. 50 Economy ticket for $262 per person are available. Travel duration is 32h 40m
Greyhound US	33h 0m	4:20 AM	Ontario, CA	Montclair Place	1:20 PM	Seattle, WA	Amtrak King Street Station	Economy	$265	A Bus from Greyhound US goes from Montclair Place, Ontario, CA (USA) at 12/28/2025 4:20:00 AM to Amtrak King Street Station, Seattle, WA (USA) arriving at 12/29/2025 1:20:00 PM. 50 Economy ticket for $265 per person are available. Travel duration is 33h 0m

Cheapest bus trips Monday
BertCompanyCountOneCompanyName	Duration	Departure time	From	Departure	Arrival time	To	Destination	Seat classes	Price
FlixBus	35h 15m	1:35 PM	Ontario, CA	Montclair Place	12:50 AM	Seattle, WA	Amtrak King Street Station	Economy	$234	A Bus from FlixBus goes from Montclair Place, Ontario, CA (USA) at 12/29/2025 1:35:00 PM to Amtrak King Street Station, Seattle, WA (USA) arriving at 12/31/2025 12:50:00 AM. 50 Economy ticket for $234 per person are available. Travel duration is 35h 15m
Greyhound US	27h 45m	9:05 PM	Ontario, CA	Montclair Place	12:50 AM	Seattle, WA	Amtrak King Street Station	Economy	$235	A Bus from Greyhound US goes from Montclair Place, Ontario, CA (USA) at 12/29/2025 9:05:00 PM to Amtrak King Street Station, Seattle, WA (USA) arriving at 12/31/2025 12:50:00 AM. 50 Economy ticket for $235 per person are available. Travel duration is 27h 45m
Greyhound US	47h 50m	2:00 PM	Ontario, CA	Montclair Place	1:50 PM	Seattle, WA	Padelford Hall (PDL)	Economy	$242	A Bus from Greyhound US goes from Montclair Place, Ontario, CA (USA) at 12/29/2025 2:00:00 PM to Padelford Hall (PDL), Seattle, WA (USA) arriving at 12/31/2025 1:50:00 PM. 50 Economy ticket for $242 per person are available. Travel duration is 47h 50m
FlixBus	32h 40m	4:40 AM	Ontario, CA	Montclair Place	1:20 PM	Seattle, WA	Amtrak King Street Station	Economy	$252	A Bus from FlixBus goes from Montclair Place, Ontario, CA (USA) at 12/29/2025 4:40:00 AM to Amtrak King Street Station, Seattle, WA (USA) arriving at 12/30/2025 1:20:00 PM. 50 Economy ticket for $252 per person are available. Travel duration is 32h 40m
FlixBus	33h 10m	4:40 AM	Ontario, CA	Montclair Place	1:50 PM	Seattle, WA	Padelford Hall (PDL)	Economy	$252	A Bus from FlixBus goes from Montclair Place, Ontario, CA (USA) at 12/29/2025 4:40:00 AM to Padelford Hall (PDL), Seattle, WA (USA) arriving at 12/30/2025 1:50:00 PM. 50 Economy ticket for $252 per person are available. Travel duration is 33h 10m

Did you know that if you travel from Ontario, CA to Seattle, WA via Los Angeles, you can save more than $30? You can find the corresponding connections below.
- Busbud
  
  40h 5m
  
  0
  
  9:15 PM
  
  Ontario, CA
  Montclair Place
  
  9:55 PM
  
  Los Angeles
  Union Station
  
  0
  
  Economy
  
  $8
  
  A Bus from Busbud goes from Montclair Place, Ontario, CA (USA) at 12/30/2025 9:15:00 PM to Union Station, Los Angeles (USA) arriving at 12/30/2025 9:55:00 PM. 50 Economy ticket for $8 per person are available. Travel duration is 0h 40m
- FlixBus
  
  26h 15m
  
  0
  
  11:05 AM
  
  Los Angeles
  Union Station
  
  1:20 PM
  
  Seattle, WA
  Amtrak King Street Station
  
  0
  
  Economy
  
  $196
  
  A Bus from FlixBus goes from Union Station, Los Angeles (USA) at 12/31/2025 11:05:00 AM to Amtrak King Street Station, Seattle, WA (USA) arriving at 1/1/2026 1:20:00 PM. 50 Economy ticket for $196 per person are available. Travel duration is 26h 15m
Travel time is 12h 20m longer, but you will save $30

Best Price Offer: The price for the cheapest bus from Ontario, CA to Seattle, WA is $212 on 12/28/2025. 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.

Sunday is the busiest day, with more than 7 daily buses from Ontario, CA to Seattle, WA. Sunday 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 $212!

Cheapest Bus	$212
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 12/24/2025 and for the following days.

Sunday

Monday

Tuesday

Wednesday

Thursday

Friday

Saturday

Sunday 12/21

Monday 12/22

Tuesday 12/23

Wednesday 12/24

Thursday 12/25

Friday 12/26

Saturday 12/27

Sunday 12/28

$212

Monday 12/29

$234

Tuesday 12/30

Wednesday 12/31

$302

Thursday 01/01

Friday 01/02

Saturday 01/03

Sunday 01/04

Monday 01/05

Tuesday 01/06

Wednesday 01/07

Thursday 01/08

Friday 01/09

Saturday 01/10

Sunday 01/11

Monday 01/12

Tuesday 01/13

Wednesday 01/14

Thursday 01/15

Friday 01/16

Saturday 01/17

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 $212, Sunday is the cheapest day for a bus from Ontario, CA to Seattle, WA. Monday instead is the most expensive day with prices starting from $234.

Afternoon is the cheapest day time for bus tickets from Ontario, CA to Seattle, WA, with $212. Evening is the most expensive time of the day with prices starting from $231.

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.

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.

Convention Center

E Holt Blvd 2200

Montclair Place

Moreno Street Montclair

Carl's Jr & Teriyaki House

E 4th St 1625

Mills Drive Eb Fs

Tufesa

E Francis St 642

Amtrak King Street Station

S Jackson St 303

Veterans Administration Hospital

S Columbian Way 1660

Convention Center

8th Ave 1500

Stadium

Harborview Medical Center

8th Ave 325

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 $212 and takes 35h 15m 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 $212 and $268. 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 $231. 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.

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

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 7 daily trips between Ontario, CA and Seattle, WA. 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 Seattle, WA?

Prices and availability for 7 trips between Ontario, CA and Seattle, WA 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 Seattle, WA

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!