- Must visit
Portland Art Museum
World-class collections spanning Native American, Asian, and Northwest art. A cornerstone cultural stop in the South Park Blocks.
Cheapest price
$31
Average price
$33
Fastest journey
3 h 5 m
Average duration
3 h 39 m
Buses per day
4
Distance
216 km
The best way to find a cheap bus ticket from SeaTac, WA to Portland, OR is to book your journey as far in advance as possible and to avoid traveling at rush hour.
The average ticket from SeaTac, WA to Portland, OR will cost around $33 if you buy it on the day, but the cheapest tickets can be found for only $31.
Of the 4 buses that leave SeaTac, WA for Portland, OR on Thu, Aug 06, 3 travel direct so it’s quite easy to avoid journeys where you’ll have to change along the way.
On Thu, Aug 06 the direct buses cover the 216 km distance in an average of 3 h 39 m but if you time it right, some buses will get you there in just 3 h 5 m .
On Thu, Aug 06 the slowest buses will take 4 h 35 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.
FlixBus
FlixBus
FlixBus+
FlixBus
FlixBus
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Omio recommends booking the train as it is the most popular option from SeaTac, WA to Portland, OR among Omio's users. If you are prioritising price take the train with prices starting from $28. For those with little time consider booking a flight which can get you there in 59m. The ticket price range depends on the travel mode: a train costs an average of $28, and a flight costs an average of $97.
Distance: 134 miles (216 km)
| Bus | Most popular Train | Flight |
|---|---|---|
$38 Average price | $35 Average price Cheapest | $286 Average price |
3h 39m Average total duration 3h 9m Onboard + 30m Additional time* | 3h 42m Average total duration 3h 12m Onboard + 30m Additional time* | 3h 59m Average total duration Fastest 59m Onboard + 3h 0m Additional time* |
Direct Options | Direct Options | Direct Options |
This is compared to other travel options from SeaTac, WA to Portland, OR:
A train is $3 (€2) less than a bus for this route with tickets for a bus from SeaTac, WA to Portland, OR costing on average $38 (€31).
A train is $251 (€204) less than a flight for this route with tickets for a flight from SeaTac, WA to Portland, OR costing on average $286 (€233).
Other travel options to Portland, OR take longer:
Bus takes on average 3h 9m.
Train takes on average 3h 12m.
| Operator | Departure Time | Arrival Time | Duration | Departure days | Cheapest price |
|---|---|---|---|---|---|
Operator FlixBus | Departure Time 12:05AM | Arrival Time 03:25AM | Duration 3h20 | Departure days Tue | Cheapest price $39 |
Operator FlixBus | Departure Time 02:35AM | Arrival Time 05:20AM | Duration 2h45 | Departure days Tue, Sat | Cheapest price $28 |
Operator FlixBus | Departure Time 03:35AM | Arrival Time 06:20AM | Duration 2h45 | Departure days Tue, Sat | Cheapest price $44 |
Operator FlixBus | Departure Time 08:10AM | Arrival Time 11:15AM | Duration 3h05 | Departure days Tue, Wed, Thu, Sat, Sun | Cheapest price $29 |
Operator Greyhound | Departure Time 02:45PM | Arrival Time 06:20PM | Duration 3h35 | Departure days Wed, Thu, Sat | Cheapest price $31 |
Operator FlixBus | Departure Time 03:10PM | Arrival Time 06:15PM | Duration 3h05 | Departure days Mon, Fri | Cheapest price $32 |
Operator FlixBus | Departure Time 04:10PM | Arrival Time 07:15PM | Duration 3h05 | Departure days Mon, Fri | Cheapest price $38 |
Operator FlixBus | Departure Time 04:50PM | Arrival Time 08:10PM | Duration 3h20 | Departure days Tue, Thu, Sat, Sun | Cheapest price $29 |
Operator Greyhound | Departure Time 07:45PM | Arrival Time 12:20AM | Duration 4h35 | Departure days Thu | Cheapest price $37 |
Operator FlixBus | Departure Time 08:35PM | Arrival Time 11:20PM | Duration 2h45 | Departure days Tue, Sat, Sun | Cheapest price $29 |
Operator FlixBus | Departure Time 10:55PM | Arrival Time 02:30AM | Duration 3h35 | Departure days Mon, Fri | Cheapest price $42 |
The table below shows live departures for SeaTac, WA to Portland, OR buses for today, Wednesday, August 5. You can also manually refresh the results below to see updated bus journeys.
| Provider | Departs | Duration | Arrives | Transfers | Tickets |
|---|---|---|---|---|---|
FlixBus | 8:10 AM Seattle, SeaTac Airport Terminal - Bay 2 | 3h05 | 11:15 AM Portland, NW Station Way (Station Place Parking Garage), OR | 0 transfersDirect | |
![]() | 2:45 PM Seattle, SeaTac Airport Terminal - Bay 2 | 3h35 | 6:20 PM Portland, NW Station Way (Station Place Parking Garage), OR | 0 transfersDirect | |
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 SeaTac, WA to Portland, OR run on average 5 times per day, taking around 3h 9m. Cheap bus tickets for this journey start at $25 (€20) if you book in advance.
There are 4 buses per day. The earliest bus runs at 07:00, the last at 23:10. The fastest bus covers the 134 miles (216 km) distance in 2h 45m.
Distance 134 miles (216 km) |
Average bus duration 3h 9m |
Cheapest ticket price $25 (€20) |
Buses per day 5 |
Direct buses 4 |
Fastest bus 2h 45m |
First bus 7:00 AM |
Last bus 11:10 PM |
Cheapest Month Oct |
Cheapest Day Tue |
High Season Jul - Sep |
Low Season Apr - Jun |
Busiest Day Sat |
Least Busy Day Sun |
Best time to book 4 days |
Discover the best of Portland, OR — top attractions, local food, transport tips, budget advice, and currency essentials. Plan your perfect Portland, OR trip today.
World-class collections spanning Native American, Asian, and Northwest art. A cornerstone cultural stop in the South Park Blocks.
Hands-on museum famed for the USS Blueback submarine, science labs, and family-friendly exhibits on technology and nature.
Eclectic museum of movie props, oddities, and outsider collections in Northwest Portland. Fun, quirky, and uniquely local.
A 165-acre woodland park with serene paths, a rose garden, and Japanese Garden access. One of Portland's signature green spaces.
Beloved downtown square known as Portland's living room. Hosts events, people-watching, and easy access to major central sights.
Large urban forest with miles of trails for hiking and running. A local favorite for quick immersion in nature near downtown.
A toasted bread ring with a malty crust and chewy center. Portland shops helped make the city's bagel scene a modern local obsession.
Traditional regional chowder from the Pacific Northwest, usually with local clams, cream, potatoes, and herbs. A staple on many Portland seafood menus.
Fresh oysters from the Oregon coast, prized for their briny, clean flavor. Portland is a major city showcase for the state's shellfish culture.
Acclaimed bagel shop serving naturally leavened bagels with classic toppings in a casual neighborhood space.
Pioneering specialty coffee roaster with expertly brewed coffee and a minimalist café atmosphere loved by locals.
Iconic Portland brewery and pub pouring house beers with hearty pub fare in a lively, long-running local setting.
Moderate for U.S. city travel: hotels and dining are mid-priced, transit is reasonable, and budget food is easy to find.
Tip 18-20% at restaurants, more for great service. Taxis: 10-15%. Cafes: round up or tip $1-2 for drinks.
Find answers to the most common questions about traveling from SeaTac, WA to Portland, OR 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 Portland, OR, this guide helps you travel smarter and with confidence.

Most SeaTac, WA to Portland, OR buses use the Seattle, SeaTac Airport Terminal - Bay 2 to Portland, NW Station Way (Station Place Parking Garage) station pair. Use this guide to compare SeaTac, WA and Portland, OR bus stations on this route, check city-centre transport, alongside checking practicalities like bus station facilities and services.
Portland, NW Station Way (Station Place Parking Garage) has practical services for this route, including Wifi, Parking, ATM, Taxis, Accessibility, WC, Shower, and Ticket Office.
Wi-Fi is available at Portland, NW Station Way (Station Place Parking Garage). ATMs are available at Portland, NW Station Way (Station Place Parking Garage).
Ticket office support is available at Portland, NW Station Way (Station Place Parking Garage).
Available at Portland, NW Station Way (Station Place Parking Garage): Parking, Taxis, WC.
Accessibility facilities are available at Portland, NW Station Way (Station Place Parking Garage): Ramp access available.
Here are some other resources that might have the information you need