The average train between Portland Airport (PDX) and Downtown Seattle takes 4h 13m and the fastest train takes 3h 57m. The train service runs several times per day from Portland Airport (PDX) to Downtown Seattle. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.
Trains run every 4 hours between Portland Airport (PDX) and Downtown Seattle. The earliest departure is at 5:57 AM in the morning, and the last departure from Portland Airport (PDX) is at 6:45 PM which arrives into Downtown Seattle at 10:50 PM. All services require a transfer at Rose Quarter TC station and take an average of 4h 13m. The schedules shown below are for the next available departures.

4h 12m • 1 change

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3h 57m • 1 change

4h 7m • 1 change

4h 9m • 1 change

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3h 57m • 1 change

4h 7m • 1 change

4h 9m • 1 change

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4h 25m • 1 change

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4h 7m • 1 change
Want to know about travelling from Portland Airport (PDX) to Downtown Seattle? We have put together a list of the most frequently asked questions from our users such as: What is the cheapest mode of transport? What is the quickest option? How much do tickets usually cost? and many more.
No, there is no direct train from Portland Airport (PDX) to Downtown Seattle. However, there are services departing from Portland Airport (PDX) station and arriving at Downtown Seattle station via Seattle. The journey, including transfers, takes approximately 4h 13m.
Portland Airport (PDX) to Downtown Seattle train services, operated by Portland TriMet, depart from Portland station.
Portland Airport (PDX) to Downtown Seattle train services, operated by Portland TriMet, arrive at Seattle station.
The distance between Portland Airport (PDX) and Downtown Seattle is 225 km. The road distance is 302 km.
Amtrak operates a train from Portland to Seattle every 4 hours. Tickets cost $55–120 and the journey takes 3h 25m.