- Must visit
Portland Art Museum
Major art museum in downtown Portland with Native American, modern, and Northwest collections. A core cultural stop for first-time visitors.
Cheapest price
$37
Average price
$39
Fastest journey
2 h 45 m
Average duration
3 h 3 m
Buses per day
2
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 $39 if you buy it on the day, but the cheapest tickets can be found for only $37.
Of the 2 buses that leave SeaTac, WA for Portland, OR on Mon, Jun 22, 2 travel direct so it’s quite easy to avoid journeys where you’ll have to change along the way.
On Mon, Jun 22 the direct buses cover the 216 km distance in an average of 3 h 3 m but if you time it right, some buses will get you there in just 2 h 45 m .
On Mon, Jun 22 the slowest buses will take 3 h 20 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
FlixBusOmio 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 $96.
Distance: 134 miles (216 km)
| Bus | Most popular Train | Flight |
|---|---|---|
$38 Average price | $35 Average price Cheapest | $284 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 $249 (€204) less than a flight for this route with tickets for a flight from SeaTac, WA to Portland, OR costing on average $284 (€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 Thu, Fri | Cheapest price $28 |
Operator FlixBus | Departure Time 02:35AM | Arrival Time 05:20AM | Duration 2h45 | Departure days Thu | Cheapest price $27 |
Operator FlixBus | Departure Time 08:10AM | Arrival Time 11:15AM | Duration 3h05 | Departure days Fri, Sat | Cheapest price $53 |
Operator FlixBus | Departure Time 03:10PM | Arrival Time 06:15PM | Duration 3h05 | Departure days Wed, Thu | Cheapest price $35 |
Operator FlixBus | Departure Time 04:10PM | Arrival Time 07:15PM | Duration 3h05 | Departure days Wed, Thu | Cheapest price $38 |
Operator FlixBus | Departure Time 04:50PM | Arrival Time 08:10PM | Duration 3h20 | Departure days Mon, Tue, Sun | Cheapest price $37 |
Operator FlixBus | Departure Time 05:05PM | Arrival Time 08:25PM | Duration 3h20 | Departure days Fri, Sat | Cheapest price $50 |
Operator FlixBus | Departure Time 07:35PM | Arrival Time 10:20PM | Duration 2h45 | Departure days Fri | Cheapest price $128 |
Operator FlixBus | Departure Time 08:35PM | Arrival Time 11:20PM | Duration 2h45 | Departure days Mon, Tue, Fri, Sat | Cheapest price $37 |
Operator FlixBus | Departure Time 10:55PM | Arrival Time 02:30AM | Duration 3h35 | Departure days Wed, Thu | Cheapest price $31 |
Operator FlixBus | Departure Time 11:55PM | Arrival Time 03:30AM | Duration 3h35 | Departure days Wed, Thu | Cheapest price $37 |
The table below shows live departures for SeaTac, WA to Portland, OR buses for today, Sunday, June 21. You can also manually refresh the results below to see updated bus journeys.
| Provider | Departs | Duration | Arrives | Transfers | Tickets |
|---|---|---|---|---|---|
FlixBus | 4:50 PM Seattle, SeaTac Airport Terminal - Bay 2 | 3h20 | 8:10 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 — top attractions, local food, transport tips, budget advice, and currency essentials. Plan your perfect Portland trip today.
Major art museum in downtown Portland with Native American, modern, and Northwest collections. A core cultural stop for first-time visitors.
Large science museum on the Willamette River with interactive exhibits, a planetarium, and family-friendly programming.
Historic house museum with period interiors and strong city history interpretation, plus one of Portland's best viewpoints.
Large urban park encompassing major attractions, trails, gardens, and forested scenery. One of Portland's essential outdoor destinations.
Highly regarded garden known for refined landscape design, seasonal beauty, and calm hillside setting above the city.
Vast urban forest with extensive hiking trails and a strong local following. Ideal for nature access close to downtown.
Portland is one of the leading craft beer cities in the United States, known for hop-forward IPAs, lagers, and experimental small-batch brews from many local breweries.
Portland has a major specialty coffee culture focused on carefully sourced beans, precise brewing, and independent roasters that helped define the city’s daily food ritual.
Portland-style doughnuts became nationally famous through creative toppings, oversized shapes, and quirky flavors, making them a recognizable local sweet treat.
A celebrated Portland restaurant known for inventive French-inspired cuisine, rich flavors, and an intimate, lively dining room.
A popular Southern restaurant famous for fried chicken and waffles, hearty brunches, and a bustling neighborhood atmosphere.
A reliable brewpub pouring respected Oregon craft beer alongside burgers, sandwiches, and pub fare in a spacious downtown setting.
Moderate by U.S. city standards. Food and coffee are reasonable, but hotels and fine dining can be pricey in peak season.
Tip 18-20% at restaurants; 20%+ for great service. Tip USD 1-2 per drink at bars, round up taxis, and tip hotel staff USD 2-5.
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.
Here are some other resources that might have the information you need