- Must visit
Seattle Art Museum
Major downtown art museum with global collections, rotating exhibitions, and strong Pacific Northwest representation.
Cheapest price
$264
Average price
$304
Fastest journey
1 d 8 h 25 m
Average duration
1 d 14 h 33 m
Buses per day
6
Distance
1556 km
The best way to find a cheap bus ticket from Ontario, CA to Seattle, WA is to book your journey as far in advance as possible and to avoid traveling at rush hour.
The average ticket from Ontario, CA to Seattle, WA will cost around $304 if you buy it on the day, but the cheapest tickets can be found for only $264.
It's difficult to get from Ontario, CA to Seattle, WA without transferring at least 2 times.
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· · · Omio recommends booking the flight as it is the most popular option from Ontario, CA to Seattle, WA among Omio's users. If you are prioritising price take the bus with prices starting from $190. For those with little time consider booking a flight which can get you there in 3h 8m. The ticket price range depends on the travel mode: a bus costs an average of $190, and a train costs an average of $246.
Distance: 966 miles (1556 km)
| Bus | Most popular Flight | Train | Driving |
|---|---|---|---|
$275 Average price Cheapest | $321 Average price | $357 Average price | $236 Average price (fuel + tolls) |
33h 58m Average total duration 33h 28m Onboard + 30m Additional time* | 6h 8m Average total duration Fastest 3h 8m Onboard + 3h 0m Additional time* | 32h 21m Average total duration 31h 51m Onboard + 30m Additional time* | 18h 2m Average total duration (door-to-door) |
Direct Options | Direct Options | Direct Options | Direct Options |
This is compared to other travel options from Ontario, CA to Seattle, WA:
A bus is $47 (€38) less than a flight for this route with tickets for a flight from Ontario, CA to Seattle, WA costing on average $321 (€263).
A bus is $82 (€68) less than a train for this route with tickets for a train from Ontario, CA to Seattle, WA costing on average $357 (€293).
Other travel options to Seattle, WA take longer:
Train takes on average 31h 51m.
Bus takes on average 33h 28m.
You'll arrive about {timeSavings} sooner ({durationInMinutes} by bus vs {drivingDurationInMinutes} by car) and save roughly {savingsAmount} compared to fuel and tolls ({cheapestPrice} vs {drivingPriceInCents}). You also skip the drive itself — no traffic stress, no parking, and you can use the time to work, nap, or catch up on a series with the onboard Wi-Fi.
Direct coaches are operated by {directProviders}.
Driving is still worth considering if you're travelling with bulky luggage, need flexibility on departure times, or plan to stop along the way.
| Operator | Departure Time | Arrival Time | Duration | Departure days | Cheapest price |
|---|---|---|---|---|---|
Operator Greyhound | Departure Time 01:55AM | Arrival Time 07:50AM | Duration 29h55 | Departure days Thu | Cheapest price $269 |
Operator Greyhound | Departure Time 04:20AM | Arrival Time 12:45PM | Duration 32h25 | Departure days Tue, Thu, Sat | Cheapest price $162 |
Operator FlixBus | Departure Time 11:20AM | Arrival Time 08:20PM | Duration 33h00 | Departure days Fri | Cheapest price $400 |
Operator FlixBus | Departure Time 12:20PM | Arrival Time 09:20PM | Duration 33h00 | Departure days Wed | Cheapest price $251 |
Operator Greyhound | Departure Time 02:00PM | Arrival Time 05:40PM | Duration 51h40 | Departure days Sat | Cheapest price $323 |
Operator Greyhound | Departure Time 06:55PM | Arrival Time 03:50AM | Duration 32h55 | Departure days Tue, Thu, Sat | Cheapest price $151 |
Operator Greyhound | Departure Time 07:00PM | Arrival Time 07:50AM | Duration 36h50 | Departure days Mon | Cheapest price $319 |
Operator Greyhound | Departure Time 09:35PM | Arrival Time 08:50AM | Duration 35h15 | Departure days Mon, Fri, Sun | Cheapest price $192 |
The table below shows live departures for Ontario, CA to Seattle, WA buses for today, Friday, June 19. You can also manually refresh the results below to see updated bus journeys.
| Provider | Departs | Duration | Arrives | Transfers | Tickets |
|---|---|---|---|---|---|
![]() | 9:35 PM Ontario, CA | 35h15 | 8:50 AM Seattle, WA | 0 transfersDirect | |
| Saturday, June 20 | |||||
· · + FlixBus | 4:20 AM Montclair, Richton Street (Montclair Transcenter Paking), CA | 38h25 | 6:45 PM Seattle, Northeast Campus Parkway / 12th Avenue NE (University of Washington), WA | 3 transfers | |
· · | 4:20 AM Montclair, Richton Street (Montclair Transcenter Paking), CA | 32h25 | 12:45 PM Seattle, S Royal Brougham Way / 6th Avenue South (Bus Station) | 2 transfers | |
· · + FlixBus | 4:20 AM Montclair, Richton Street (Montclair Transcenter Paking), CA | 37h20 | 5:40 PM Seattle, SeaTac Airport Terminal - Bay 2 | 3 transfers | |
This is the last bus of the day. | |||||
Find all the dates and times for this journey
Compare bus, train, and flight prices over the next three weeks. See the best deals at a glance, find the lowest fares, and choose the option that fits your budget.
Buses from Ontario, CA to Seattle, WA run on average 8 times per day, taking around 33h 28m. Cheap bus tickets for this journey start at $190 (€155) if you book in advance.
The earliest bus runs at 04:20, the last at 23:10. The fastest bus covers the 966 miles (1556 km) distance in 27h 45m.
Distance 966 miles (1556 km) |
Average bus duration 33h 28m |
Cheapest ticket price $190 (€155) |
Buses per day 8 |
Fastest bus 27h 45m |
First bus 4:20 AM |
Last bus 11:10 PM |
Cheapest Month Jun |
Cheapest Day Tue |
High Season Jan - Mar |
Low Season Oct - Dec |
Discover the best of Seattle — top attractions, local food, transport tips, budget advice, and currency essentials. Plan your perfect Seattle trip today.
Major downtown art museum with global collections, rotating exhibitions, and strong Pacific Northwest representation.
Bold contemporary museum known for music, film, science fiction, gaming, and interactive exhibits near Seattle Center.
Immersive exhibition of Dale Chihuly's glass art, featuring dramatic indoor galleries and a glasshouse.
Classic Seattle viewpoint for postcard skyline photos with the Space Needle and Mount Rainier on clear days.
Distinctive lakeside park with industrial remnants, skyline views, and broad lawns popular with locals.
Popular central waterfront walking area close to piers, views, and many of the city's best-known attractions.
Pacific Northwest salmon roasted on a cedar plank, giving it a smoky wood aroma. It is one of Seattle’s signature dishes and reflects the region’s strong salmon tradition.
Sweet, tender crab from Pacific Northwest waters, often served simply cracked or in crab cakes and seafood plates. It is a classic Seattle seafood specialty.
A large Pacific Northwest clam known for its crisp texture and briny flavor, often served as sashimi or lightly cooked. It is a distinctive regional delicacy.
Iconic fine-dining restaurant with Pacific Northwest cuisine, polished service, and sweeping views. Best known for refined seafood and special-occasion atmosphere.
Popular casual spot famous for rich clam chowder and other seafood soups near Pike Place Market. A reliable choice for classic Seattle flavors.
Established oyster bar specializing in fresh Washington shellfish, especially oysters, crab, and other regional seafood. Casual but highly regarded.
Seattle is pricey by U.S. standards, with high hotel, dining, and coffee costs, though casual meals are still manageable.
Tip 18-20% at restaurants; 20%+ for great service. Tip bartenders USD 1-2 per drink, round up taxis, and tip hotel staff.
Find answers to the most common questions about traveling from Ontario, CA to Seattle, WA by bus. From journey times and ticket prices to direct connections, first and last departures, and even whether the route is scenic, our FAQs cover everything you need to plan your trip. Whether you’re looking for the fastest bus, the cheapest option, or tips for making the most of your visit at Seattle, WA, this guide helps you travel smarter and with confidence.

Most Ontario, CA to Seattle, WA buses use the Montclair, Richton Street (Montclair Transcenter Paking) to Seattle, S Royal Brougham Way / 6th Avenue South (Bus Station) station pair, with some services arriving at Seattle, Northeast Campus Parkway / 12th Avenue NE (University of Washington). Use this guide to compare Ontario, CA and Seattle, WA bus stations on this route, check city-centre transport, alongside checking practicalities like bus station facilities and services.
Here are some other resources that might have the information you need