The cheapest and fastest trains from Portland, OR to SeaTac, WA
Cheapest price
$29
Average price
$36
Fastest journey
2 h 46 m
Average duration
2 h 46 m
Trains per day
3
Distance
216 km
The best way to find a cheap train ticket from Portland, OR 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 Portland, OR to SeaTac, WA will cost around $36 if you buy it on the day, but the cheapest tickets can be found for only $29.
Of the 3 trains that leave Portland, OR for SeaTac, WA on Wed, Mar 18, 3 travel direct so it’s quite easy to avoid journeys where you’ll have to change along the way.
On Wed, Mar 18 the direct trains cover the 216 km distance in an average of 2 h 46 m but if you time it right, some trains will get you there in just 2 h 46 m .
On Wed, Mar 18 the slowest trains will take 2 h 46 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, train, and flight for Portland, OR to SeaTac, WA
Omio recommends booking the bus as it is the most popular option from Portland, OR to SeaTac, WA 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 1h 0m. The ticket price range depends on the travel mode: a train costs an average of $28, and a flight costs an average of $128.
Distance: 134 miles (216 km)
Compare train with
| Train | Most popular Bus | Flight |
|---|---|---|
$40 Average price Cheapest | $42 Average price | $208 Average price |
3h 40m Average total duration 3h 10m Onboard + 30m Additional time* | 3h 47m Average total duration 3h 17m Onboard + 30m Additional time* | 4h 0m Average total duration Fastest 1h 0m Onboard + 3h 0m Additional time* |
Direct Options | Direct Options | Direct Options |
Live departures
Portland, OR to SeaTac, WA train times
The table below shows live departures for Portland, OR to SeaTac, WA trains for today, Tuesday, March 17. You can also manually refresh the results below to see updated train journeys.
| Provider | Departs | Duration | Arrives | Transfers | Tickets |
|---|---|---|---|---|---|
504 Amtrak Cascades | 5:40 PM Portland Union Station, Portland, OR | 3h04 | 8:44 PM Tukwila Amtrak, Tukwila, WA | 0 transfersDirect | |
504 Amtrak Cascades | 5:58 PM Vancouver Station, Vancouver, WA | 2h46 | 8:44 PM Tukwila Amtrak, Tukwila, WA | 0 transfersDirect | |
5563 AMTRAK · 518 Amtrak Cascades | 6:25 PM Portland, OR | 5h51 | 12:16 AM Tukwila Amtrak, Tukwila, WA | 1 transfer | |
518 Amtrak Cascades | 9:10 PM Portland Union Station, Portland, OR | 3h06 | 12:16 AM Tukwila Amtrak, Tukwila, WA | 0 transfersDirect | |
518 Amtrak Cascades | 9:28 PM Vancouver Station, Vancouver, WA | 2h48 | 12:16 AM Tukwila Amtrak, Tukwila, WA | 0 transfersDirect | |
506 Amtrak Cascades | 12:55 AM Portland Union Station, Portland, OR | 3h04 | 3:59 AM Tukwila Amtrak, Tukwila, WA | 0 transfersDirect | |
506 Amtrak Cascades | 1:13 AM Vancouver Station, Vancouver, WA | 2h46 | 3:59 AM Tukwila Amtrak, Tukwila, WA | 0 transfersDirect | |
![]() | 2:13 AM Portland, OR | 2h46 | 4:59 AM SeaTac, WA | 0 transfersDirect | |
508 Amtrak Cascades | 2:25 AM Portland Union Station, Portland, OR | 3h04 | 5:29 AM Tukwila Amtrak, Tukwila, WA | 0 transfersDirect | |
508 Amtrak Cascades | 2:43 AM Vancouver Station, Vancouver, WA | 2h46 | 5:29 AM Tukwila Amtrak, Tukwila, WA | 0 transfersDirect | |
![]() | 3:43 AM Portland, OR | 2h46 | 6:29 AM SeaTac, WA | 0 transfersDirect | |
![]() | 3:03 PM Portland, OR | 2h46 | 5:49 PM SeaTac, WA | 0 transfersDirect | |
This is the last train of the day. | |||||
Find all the dates and times for this journey
Compare prices and tickets Portland, OR to SeaTac, WA by bus, train, or flight
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.
Mar 18
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Mar 20
Mar 21
Mar 22
Mar 23
Mar 24
Journey information
Overview: Train from Portland, OR to SeaTac, WA
Trains from Portland, OR to SeaTac, WA run on average 11 times per day, taking around 3h 10m. Cheap train tickets for this journey start at $28 (€23) but you can travel from only $27 (€22) by bus.
There are 10 trains per day. The earliest train runs at 06:45, the last at 20:05. The fastest train covers the 134 miles (216 km) distance in 2h 46m.
Distance 134 miles (216 km) |
Average train duration 3h 10m |
Cheapest ticket price $28 (€23) |
Trains per day 11 |
Direct trains 10 |
Fastest train 2h 46m |
First train 06:45 |
Last train 20:05 |
Train companies: Amtrak from Portland, OR to SeaTac, WA trainsAmtrak trains will get you between Portland, OR and SeaTac, WA from $27 (€22). With over 1000 travel companies on Omio, you can find the best train times and tickets for your trip.
Amtrak
FAQs: Trains from Portland, OR to SeaTac, WA
Find answers to the most common questions about traveling from Portland, OR to SeaTac, WA by train. 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 train, the cheapest option, or tips for making the most of your visit at SeaTac, WA, this guide helps you travel smarter and with confidence.

popular train stations
Popular train stations from Portland, OR to SeaTac, WA
- 5:30 AM - 10:00 PM Monday - Sunday
- Free
- The car park is open 24/7. Access is available via NW 6th Avenue.
- Wilf's Restaurant & Bar
- Al-Amir Lebanese Restaurant
- Outside the main entrance.
- Elevators, ramps, restrooms.
- $1.50
- Embassy Suites by Hilton Portland Downtown
- The Benson, a Coast Hotel
- Courtyard by Marriott Portland City Center
- Located in the main hall
- Enterprise
- Hertz
- Located in the main hall
- Free
- The station has a main entrance leading to platforms 1-3 for Amtrak services
- waiting areas and ticket counters are located in the main hall.
- MAX Light Rail: Green Line, Yellow Line
- Bus: Several lines available
- Streetcar: NS Line
Most popular train connections from Portland, OR
More options for your journey from Portland, OR to SeaTac, WA
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