Rome2Rio

How to get fromSeattle to Cascaisby plane or train

Find Transport to Cascais

See all options

There are 4 ways to get from Seattle to Cascais by plane or train

Select an option below to see step-by-step directions and to compare ticket prices and travel times in Rome2Rio's travel planner.

  1. Fly Seattle-Tacoma International Airport to Lisbon-Portela Airport

    best
    1. Fly from Seattle-Tacoma International Airport (SEA) to Lisbon-Portela Airport (LIS)planeSEA - LIS
    17h 6m
    €336–781

  2. Fly King County International Airport to Lisbon-Portela Airport

    cheapest
    1. Fly from King County International Airport (BFI) to Lisbon-Portela Airport (LIS)planeBFI - LIS
    21h 33m
    €306–931

  3. Train to Portland International Airport, fly to Lisbon-Portela Airport

    1. Take the train from Seattle to Portlandtrain
    2. Fly from Portland International Airport (PDX) to Lisbon-Portela Airport (LIS)planePDX - LIS
    21h 23m
    €424–993

  4. Fly Seattle-Tacoma International Airport to Francisco De Sá Carneiro Airport, train

    1. Fly from Seattle-Tacoma International Airport (SEA) to Francisco De Sá Carneiro Airport (OPO)planeSEA - OPO
    2. Take the train from Porto Campanha to Lisboa - Santa Apoloniatrain
    20h 56m
    €435–808

Seattle-Tacoma International Airport (SEA) to Lisbon-Portela Airport (LIS) flights

Calendar26Weekly Planes
Duration15h 30mAverage Duration
Ticket€258Cheapest Price
See schedules

Questions & Answers

What companies run services between Seattle, WA, USA and Cascais, Portugal?

Air France, Edelweiss Air, and six other airlines fly from Seattle-Tacoma International Airport (SEA) to Lisbon-Portela Airport (LIS) 4 times a day.

Transport is disrupted due to the Russia-Ukraine war. Read more

Airlines
Train operators

Want to know more about travelling around Portugal

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

Where to next?

Trips from Seattle

Trips to Cascais

Popular routes