Find coaches from Seattle to Ontario, CA

Next bus departures

Next departures from Seattle to Ontario on 14 November
Operated byVehicle typeDeparture timeDeparture locationTrip durationArrival timeArrival locationRecommendedPrice and booking link
Greyhound Lines, Inc. + FlixBus
Bus
Greyhound Station
Montclair (Ontario)CheapestFastest
FlixBus + Greyhound Lines, Inc. + FlixBus
Bus
Seattle–Tacoma Int'l Airport (SEA)
Montclair (Ontario)No tags
FlixBus + Greyhound Lines, Inc. + FlixBus
Bus
University of Washington
Montclair (Ontario)No tags

Last refresh of the prices: Last Monday at 9:11 AM PST.

Compare 2 ways to travel from Seattle to Ontario

We recommend taking the bus

Among the sustainable travel choices, the bus stands out as a good way to reach Ontario. The journey takes about 1 day, 9 hours 40 minutes and with fares starting at just R 1 519, it presents an excellent value for a comfortable ride.

3bus per day
1d 9hAverage duration
1551 kmDistance
39kgCO₂ emissions
Bus
Average priceR 1 519 - R 6 748Average duration1d 9h
39kg CO₂e
Train
Average priceR 2 872 - R 4 351Average duration1d 12h
142kg CO₂e

Frequently asked questions about travelling from Seattle to Ontario, CA by bus

  1. How much does a bus ticket from Seattle to Ontario cost?

    The bus ticket price from Seattle to Ontario starts at R 1 519. The best way to find cheap bus tickets from Seattle to Ontario is to book your tickets as early as possible. Prices tend to rise as your travel date approaches, so book in advance to secure the best prices!

  2. How long is the bus ride from Seattle to Ontario?

    The average travel time between Seattle and Ontario is around 1d 9h, although the fastest bus will take about 1d 2h. This is the time it takes to travel the 1558 km that separates the two cities.

  3. How many daily bus connections are there between Seattle and Ontario?

    The number of buses from Seattle to Ontario can differ depending on the day of the week. On average, there are 3 on this route. Some buses run direct routes, while others have layovers. Simplify your bus trip from Seattle to Ontario by comparing and selecting the bus that fits your travel style and budget on Busbud.

  4. Which bus companies travel from Seattle to Ontario?

    When taking the bus from Seattle to Ontario, you can travel comfortably and safely with Greyhound.

  5. What are the departure and arrival stations when taking the bus from Seattle to Ontario?

    Buses travelling between Seattle and Ontario leave from Greyhound Station or Seattle-Tacoma International Airport and arrive at Ontario California Bus Stop Carl's Jr & Teriyaki House, Ontario Tufesa Bus Stop.

Find cheapest prices for buses

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

Best price found
11/11
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12/11
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Today
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14/11
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15/11
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16/11
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17/11
R 3 181
18/11
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busbud logoThe cheapest trip from Seattle to Ontario, CA was searched and found on 17 Nov 2025 with a price of R 3 181

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

You can expect to pay from R 3 181 to R 3 181 for a bus ticket from Seattle to Ontario, CA based on the last 2 days. You can expect to find the cheapest price for the trip at R 3 181, which is on 2025-11-17.

What's the cheapest way to go from Seattle to Ontario, CA?

busbud logoThe bus is the cheapest travel choice for this destination

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