Find coaches from Ontario, CA to Seattle

Find affordable coach tickets from Ontario, CA to Seattle with flexible options. Book your journey now

Join 75M+ travellers booking 2M+ routes across 85+ countries.
Enjoy our 24/7 customer service to assist you at every stage.
Cancel anytime and receive a 100% refund, no reason needed.
Today6 Aug
from US$269
Tomorrow7 Aug
Fri8 Aug
Sat9 Aug
Sun10 Aug
Mon11 Aug
Tue12 Aug
Wed13 Aug

Next departures to Seattle

One passenger / one way

  • This trip is recommended because it is the: Cheapest + Fastest
    Departure time: 6 August at
    Departure city: Ontario
    Departure location: Montclair / Ontario / Claremont
    Arrival time: 8 August at
    Destination city: Seattle
    Destination location: Greyhound Station
    Operated by: Greyhound Lines, Inc.Greyhound Lines, Inc.
    Vehicle: BusDuration:
  • Departure time: 6 August at
    Departure city: Ontario
    Departure location: Ontario Station
    Arrival time: 7 August at
    Destination city: Seattle
    Destination location: Seattle King Street Station
    Operated by: AmtrakAmtrak
    Vehicle: BusDuration:
  • Departure time: 6 August at
    Departure city: Ontario
    Departure location: Montclair / Ontario / Claremont
    Arrival time: 8 August at
    Destination city: Seattle
    Destination location: Seattle–Tacoma Int'l Airport (SEA)
    Operated by: Greyhound Lines, Inc. + FlixBus
    Greyhound Lines, Inc. + FlixBus
    Vehicle: BusDuration:
  • Departure time: 6 August at
    Departure city: Ontario
    Departure location: Ontario Station
    Arrival time: 7 August at
    Destination city: Seattle
    Destination location: Seattle King Street Station
    Operated by: AmtrakAmtrak
    Vehicle: BusDuration:
  • Departure time: 6 August at
    Departure city: Ontario
    Departure location: Montclair / Ontario / Claremont
    Arrival time: 8 August at
    Destination city: Seattle
    Destination location: University of Washington
    Operated by: Greyhound Lines, Inc. + FlixBus
    Greyhound Lines, Inc. + FlixBus
    Vehicle: BusDuration:

Accepted payments

  • Visa
  • MasterCard
  • American Express
  • China Union Pay
  • Diners Club Canada
  • Discover Click to Pay
  • JCB payment
  • Klarna (Pay over time)
  • Google Pay

Bus Ontario, CA to Seattle: Trip Overview

Average ticket priceUS$326
Average bus trip duration1d 9h
Number of daily buses5
Earliest bus departure04:20
Distance966 miles
Latest bus departure21:05

Ontario to Seattle Bus

With Busbud, comparing and booking tickets for a bus from Ontario to Seattle is a breeze. Browse through an extensive selection of bus fares and bus schedules to find the best deals.

Bus service from Ontario to Seattle will be provided by the most trusted bus companies.

Discover how much the bus trip from Ontario to Seattle will cost you. Use our filters and sorting features to find the cheapest bus tickets or luxury buses.

Frequently asked questions on the trip Ontario, CA - Seattle

  1. What's the distance between Ontario and Seattle by coach?

    The distance between Ontario and Seattle by coach is approximately 966 miles (1558 km).

  2. How can I travel from Ontario to Seattle avoiding air travel?

    You have the option to select the coach for your journey on this route. The coach provides a comfortable and sustainable journey and allows you to enjoy the sights while reaching your destination. You also have the option of utilising carpooling services.

Find cheapest prices for buses

Price is for a one-way ticket for one passenger and based on past searches.

Best price found
04/08
No data
05/08
No data
Today
US$261
07/08
No data
08/08
No data
09/08
No data
10/08
No data
11/08
No data
busbud logoThe cheapest trip from Ontario, CA to Seattle was searched and found on 6 Aug 2025 with a price of US$261

To save money and be sure you have the best seat, it's a good idea to buy your bus tickets from Ontario, CA to Seattle as early as possible.

About Bus Travel

Bus Travel Tips

Meet and talk to locals at the bus stations while travelling from Ontario to Seattle.There is no better way to get inside travel information while exploring a new city than to go straight to its people.

Much more than a mere vehicle taking you from Ontario to Seattle, riding the bus will expose you to some of the most stunning panoramas while enroute to your final bus stop.

Buses have the smallest carbon footprint of all motorized transport modes. A bus going from Ontario to Seattle will emit half the CO2 emitted by a train, and radically less than a car or an airplane.

Make a music playlist for your bus ride from Ontario to Seattle, and enjoy the scenery to tunes from your own personal soundtrack.

Did you know?

The Superbus, created by a Dutch engineer is the world's fastest bus with 250 km/h. Too bad it's only a prototype for now.

The average number of passengers on a coach bus is 32 meaning that a bus could replace a minimum of at least 30 cars!

Did you know that 80% of the buses in North America are equipped with WiFi and power outlets ? And 60% of bus travellers have used their electronic device on board during 2014.

Will you be returning to Ontario, CA by bus?

Bus from Ontario, CA to Seattle

You can also go to Seattle by train

Train from Ontario, CA to Seattle

Why choose Busbud?

The Best Way To Book Bus and Train Tickets

Busbud.com makes it easy for you to find, compare and book city-to-city bus tickets, all over the world. We save you the extra trip to the bus station. With Busbud, wherever you go, you have a worldwide bus station within reach and available in your own language and currency. Busbud partners with safe and reliable bus companies throughout the world such as Greyhound, Eurolines, ALSA, OUIBUS (BlaBlaBus), National Express and many others so you can buy tickets without a worry.

People from around the world trust Busbud

‌

Popular Buses Connecting Ontario

Buses Leaving from Ontario

Buses Going to Ontario

Popular Buses Connecting Seattle

Buses Leaving from Seattle

Buses Going to Seattle