There are 6 ways to get from Portland to SeaTac Airport, WA by bus (Greyhound, Flixbus), train (Amtrak), car, plane, bus (Flixbus), 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 Greyhound US0502 / ...
3h 8m$26–45Train (Amtrak)
- Take the train from Portland to Seattletrain Amtrak Cascades / ...
4h 10m$100–152Drive 161.9 mi
- Drive from Portland to SeaTac Airport, WAcar 161.9 mi
2h 53m$28–40Fly to Seattle-Tacoma International Airport
- Fly from Portland International Airport (PDX) to Seattle-Tacoma International Airport (SEA)plane PDX - SEA
2h 25m$143–323Bus via Tacoma Dome Station - Zone A (Flixbus)
- Take the bus from Portland Curbside Bus Stop to Tacomabus FlixBus 2120
4h 23m$26–37Fly 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$289–389
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 via Tacoma Dome Station - Zone A which costs $26 - $40 and takes 4h 23m.
The fastest way to get from Portland to SeaTac Airport, WA is to fly which takes 2h 25m and costs $140 - $330.
Yes, there is a direct bus departing from Portland Curbside Bus Stop and arriving at Seattle Tacoma Intl Airport. Services depart twice daily, and operate every day. The journey takes approximately 3h 5m.
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 Int'l Dist/Chinatown. The journey, including transfers, takes approximately 4h 10m.
The distance between Portland and SeaTac Airport, WA is 164 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 8m and costs $26 - $45.
The bus from Portland Curbside Bus Stop to Seattle Tacoma Intl Airport takes 3h 5m including transfers and departs twice daily.
Portland to SeaTac Airport, WA bus services, operated by Greyhound 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 8m and costs $26 - $45. Alternatively, you can train, which costs $100 - $160 and takes 4h 10m, you could also fly, which costs $140 - $330 and takes 2h 25m.
What companies run services between Portland, OR, USA and SeaTac Airport, WA, USA?
Greyhound USA operates a bus from Portland Curbside Bus Stop to Seattle Tacoma Intl Airport once daily. Tickets cost $29–45 and the journey takes 3h 5m. Flixbus USA also services this route 4 times a week. Alternatively, Amtrak operates a train from Portland to Seattle every 4 hours. Tickets cost $95–150 and the journey takes 3h 25m.
- Website
- alaskaair.com
Flights from Portland International Airport to Seattle-Tacoma International Airport
- Ave. Duration
- 1h 1m
- When
- Every day
- Estimated price
- $140–320
Flights from Portland International Airport to King County International Airport
- Ave. Duration
- 50 min
- When
- Monday, Tuesday, Wednesday, Thursday, Friday, and Sunday
- Estimated price
- $280–380
- Website
- delta.com
Flights from Portland International Airport to Seattle-Tacoma International Airport
- Ave. Duration
- 1h 16m
- When
- Every day
- Estimated price
- $30–220
Rome2Rio's guide to Amtrak
Contact Details
- Phone
- +1 800-872-7245
- Website
- Amtrak
Train from Portland to Seattle
- Ave. Duration
- 3h 25m
- Frequency
- Every 4 hours
- Estimated price
- $95–150
- 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
Rome2Rio's guide to Greyhound USA
Contact Details
- Phone
- +1 214-849-8100
- [email protected]
- Website
- Greyhound
Bus from Portland Curbside Bus Stop to Seattle Tacoma Intl Airport
- Ave. Duration
- 3h 5m
- Frequency
- Once daily
- Estimated price
- $29–45
- Website
- Greyhound
- Phone
- +1 (855) 626-8585
- Website
- Flixbus USA
Bus from Portland Curbside Bus Stop to Seattle Tacoma Intl Airport
- Ave. Duration
- 3h 15m
- Frequency
- 4 times a week
- Estimated price
- $26–40
- Schedules at
- Flixbus USA
Bus from Portland Curbside Bus Stop to Tacoma
- Ave. Duration
- 2h 40m
- Frequency
- 4 times a week
- Estimated price
- $23–35
- Schedules at
- Flixbus USA
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 Greyhound USA, arrive at Seattle Tacoma Intl Airport station.
Portland to SeaTac Airport, WA train services, operated by Amtrak, arrive at Seattle 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 1634+ hotels available in SeaTac Airport, WA.