There are 5 ways to get from Portland to SeaTac Airport, WA by bus (Flixbus, Greyhound), train (Amtrak), car, plane, or tram
Select an option below to see step-by-step directions and to compare ticket prices and travel times in Rome2Rio's travel planner.
Bus
best- Take the bus from Portland Curbside Bus Stop to Seattle Tacoma Intl Airportbus FlixBus 2110 / ...
3h 13m$25–45Train (Amtrak)
- Take the train from Portland to Tacomatrain Amtrak Cascades / ...
3h 34m$82–124Drive 161.9 mi
- Drive from Portland to SeaTac Airport, WAcar 161.9 mi
2h 53m$30–43Fly to Seattle-Tacoma International Airport
- Fly from Portland International Airport (PDX) to Seattle-Tacoma International Airport (SEA)plane PDX - SEA
2h 24m$123–323Fly to King County International Airport, tram
- Fly from Portland International Airport (PDX) to King County International Airport (BFI)plane PDX - BFI
- Take the tram from Rainier Beach to SeaTac/Airporttram
3h 10m$269–369
Portland to SeaTac Airport, WA by bus and foot
Comparing Your Travel Options
The cheapest way to get from Portland to SeaTac Airport, WA is to bus which costs $25 - $45 and takes 3h 13m.
The fastest way to get from Portland to SeaTac Airport, WA is to fly which takes 2h 24m and costs $120 - $330.
Yes, there is a direct bus departing from Portland Curbside Bus Stop and arriving at Seattle Tacoma Intl Airport. Services depart three times a day, and operate every day. The journey takes approximately 3h 10m.
No, there is no direct train from Portland to SeaTac Airport, WA. However, there are services departing from Portland and arriving at SeaTac/Airport via Federal Way Downtown. The journey, including transfers, takes approximately 3h 34m.
The distance between Portland and SeaTac Airport, WA is 162 miles. The road distance is 162.8 miles.
The best way to get from Portland to SeaTac Airport, WA without a car is to bus which takes 3h 13m and costs $25 - $45.
The bus from Portland Curbside Bus Stop to Seattle Tacoma Intl Airport takes 3h 10m including transfers and departs three times a day.
Portland to SeaTac Airport, WA bus services, operated by Flixbus USA, depart from Portland Curbside Bus Stop station.
Portland to SeaTac Airport, WA train services, operated by Amtrak, depart from Portland station.
The best way to get from Portland to SeaTac Airport, WA is to bus which takes 3h 13m and costs $25 - $45. Alternatively, you can train, which costs $80 - $130 and takes 3h 34m, you could also fly, which costs $120 - $330 and takes 2h 24m.
What companies run services between Portland, OR, USA and SeaTac Airport, WA, USA?
Flixbus USA operates a bus from Portland Curbside Bus Stop to Seattle Tacoma Intl Airport twice daily. Tickets cost $25–40 and the journey takes 3h 10m. Greyhound USA also services this route once daily. Alternatively, Amtrak operates a train from Portland to Tacoma every 4 hours. Tickets cost $75–120 and the journey takes 2h 33m.
- Website
- alaskaair.com
Flights from Portland International Airport to Seattle-Tacoma International Airport
- Ave. Duration
- 1h 1m
- When
- Every day
- Estimated price
- $120–320
Flights from Portland International Airport to King County International Airport
- Ave. Duration
- 50 min
- When
- Monday, Tuesday, Wednesday, Thursday, Friday, and Sunday
- Estimated price
- $260–360
- Website
- delta.com
Flights from Portland International Airport to Seattle-Tacoma International Airport
- Ave. Duration
- 1h 14m
- When
- Every day
- Estimated price
- $27–210
Rome2Rio's guide to Amtrak
Contact DetailsContact Details
- Phone
- +1 800-872-7245
- Website
- Amtrak
Train from Portland to Tacoma
- Ave. Duration
- 2h 33m
- Frequency
- Every 4 hours
- Estimated price
- $75–120
- Website
- Amtrak
- Phone
- +1 888-889-6368
- [email protected]
- Website
- Sound Transit
Tram from Rainier Beach to SeaTac/Airport
- Ave. Duration
- 13 min
- Frequency
- Every 10 minutes
- Estimated price
- $3
- Website
- Sound Transit
- Adult
- $3
- Phone
- +1 (855) 626-8585
- Website
- Flixbus USA
Bus from Portland Curbside Bus Stop to Seattle Tacoma Intl Airport
- Ave. Duration
- 3h 10m
- Frequency
- Twice daily
- Estimated price
- $25–40
- Schedules at
- Flixbus USA
Rome2Rio's guide to Greyhound USA
Contact DetailsContact Details
- Phone
- +1 214-849-8100
- [email protected]
- Website
- Greyhound
Bus from Portland Curbside Bus Stop to Seattle Tacoma Intl Airport
- Ave. Duration
- 3h 10m
- Frequency
- Once daily
- Estimated price
- $28–45
- Website
- Greyhound
Want to know more about travelling around United States
Rome2Rio's Travel Guide series provide vital information for the global traveller. Filled with useful and timely travel information, the guides answer all the hard questions - such as 'How do I buy a ticket?', 'Should I book online before I travel? ', 'How much should I expect to pay?', 'Do the trains and buses have Wifi?' - to help you get the most out of your next trip.
Related travel guides
Travelling to the US: What do I need to know?
Read the travel guide
Need to know: Greyhound
Read the travel guide
Why you should take the train in the US
Read the travel guide
Booking & Getting There
Portland to SeaTac Airport, WA bus services, operated by Flixbus USA, arrive at Seattle Tacoma Intl Airport station.
Portland to SeaTac Airport, WA train services, operated by Amtrak, arrive at Tacoma station.
Yes, the driving distance between Portland to SeaTac Airport, WA is 163 miles. It takes approximately 2h 53m to drive from Portland to SeaTac Airport, WA.
Book your Portland to SeaTac Airport, WA bus tickets online with Omio and FlixBus.
There are 1384+ hotels available in SeaTac Airport, WA.












