4.9
4.6The cheapest and fastest buses from Ontario, CA to SeaTac, WA
Cheapest price
$258
Average price
$258
Fastest journey
1 d 9 h 30 m
Average duration
1 d 9 h 30 m
Buses per day
1
Distance
1538 km
The best way to find a cheap bus ticket from Ontario, CA to SeaTac, 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 SeaTac, WA will cost around $258 if you buy it on the day, but the cheapest tickets can be found for only $258.
Of the 1 buses that leave Ontario, CA for SeaTac, WA on Mon, Mar 23, 1 travel direct so it’s quite easy to avoid journeys where you’ll have to change along the way.
On Mon, Mar 23 the direct buses cover the 1538 km distance in an average of 1 d 9 h 30 m but if you time it right, some buses will get you there in just 1 d 9 h 30 m .
On Mon, Mar 23 the slowest buses will take 1 d 9 h 30 m and usually involve a change or two along the way, but you might be able to save a few pennies if you’re on a budget.
Travel Information
Compare bus and flight for Ontario, CA to SeaTac, WA
Omio recommends booking the bus as it is the most popular option from Ontario, CA to SeaTac, WA among Omio's users. If you are prioritising price take the bus with prices starting from $258. For those with little time consider booking a flight which can get you there in 2h 55m. The ticket price range depends on the travel mode: a bus costs an average of $258, and a flight costs an average of $284.
Distance: 955 miles (1538 km)
Compare bus with
Most popular Bus | Flight |
|---|---|
$258 Average price Cheapest | $284 Average price |
34h 0m Average total duration 33h 30m Onboard + 30m Additional time* | 5h 55m Average total duration Fastest 2h 55m Onboard + 3h 0m Additional time* |
Direct Options | Direct Options |
Live departures
Ontario, CA to SeaTac, WA bus times
The table below shows live departures for Ontario, CA to SeaTac, WA buses for today, Sunday, March 22. You can also manually refresh the results below to see updated bus journeys.
| Provider | Departs | Duration | Arrives | Transfers | Tickets |
|---|---|---|---|---|---|
 | 7:40 AM Ontario, CA | 29h10 | 12:50 PM SeaTac, WA | 2 transfers | |
This is the last bus of the day. | |||||
Find all the dates and times for this journey
Compare prices and tickets Ontario, CA to SeaTac, WA by bus or flight
Compare bus 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.
Mar 23
Mar 24
Mar 25
Mar 26
Mar 27
Mar 28
Mar 29
Journey information
Overview: Bus from Ontario, CA to SeaTac, WA
USAUSA
Buses from Ontario, CA to SeaTac, WA run on average 8 times per day, taking around 33h 30m. Cheap bus tickets for this journey start at $258 (€209) if you book in advance.
The earliest bus runs at 04:20, the last at 23:10. The fastest bus covers the 955 miles (1538 km) distance in 33h 30m.
Distance 955 miles (1538 km) |
Average bus duration 33h 30m |
Cheapest ticket price $258 (€209) |
Buses per day 8 |
Fastest bus 33h 30m |
First bus 04:20 |
Last bus 23:10 |
High season Jan - Mar |
Low season Jul - Sep |
FAQs: Bus from Ontario, CA to SeaTac, WA
Find answers to the most common questions about traveling from Ontario, CA to SeaTac, 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 SeaTac, WA, this guide helps you travel smarter and with confidence.
Most popular bus connections from Ontario, CA
More options for your journey from Ontario, CA to SeaTac, WA
Here are some other resources that might have the information you need
Most popular buses to and from SeaTac, WA and Ontario, CA
Most popular bus connections to SeaTac, WA
The Omio App Makes Travel Planning Easy
We’ll get you where you want to go. From live train updates to mobile tickets, our innovative app is the ideal way to plan and keep track of your travel.
