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Cheap Flights from Portland to Seattle, WA, United States - PWM to SEA (reverse)

Did You Know?

You must make at least one connection to fly from Portland, ME to Seattle.
United Airlines has 490 connecting flights between Portland, ME and Seattle.
185,835 seats are available per week to fly from Portland, ME to Seattle.
There are 5072 flights from Portland, ME to Seattle per week.

Cheap Domestic Flights from Portland - PWM

Flights
Airline
Lowest Price
United, Delta, US Airways, JetBlue
$278

Cheap Domestic Flights to Seattle - SEA

Flights
Airline
Lowest Price
United, Delta, Alaska, US Airways, American, Sun Country, JetBlue, Virgin America, AirTran
$149
Alaska, United, Delta, US Airways, American
$360
United, Delta, US Airways
$287
United, Delta, US Airways, JetBlue
$372
United, Delta, US Airways
$294
United, Delta, US Airways
$381
Delta, US Airways
$344
Alaska, United, Delta, American, US Airways, Spirit, JetBlue, Virgin America, AirTran
$288
Alaska, United, Delta, US Airways, American, Spirit, JetBlue, AirTran
$158
Alaska, United, Delta, American, US Airways, Sun Country, Spirit, Hawaiian, JetBlue, Virgin America, AirTran
$335
United, Delta, US Airways, American, Sun Country, Spirit, JetBlue
$188
United, Delta, US Airways, American, Spirit, AirTran
$266
Alaska, United, Delta, American, US Airways, Sun Country, Hawaiian, JetBlue, Virgin America, AirTran
$313
Alaska, United, Delta, US Airways, American
$370
Alaska, United, US Airways, American, JetBlue
$138
Alaska, Delta, United, American, US Airways, Sun Country, Spirit, JetBlue, Virgin America, AirTran
$312
United, Delta, US Airways
$302
United, Delta, US Airways
$302
United, Delta, US Airways
$370
Alaska, United, Delta, American, US Airways, Spirit, JetBlue, AirTran
$288
Delta, Alaska, American
$446

Cheap International Flights from Portland - PWM

Flights
Airline
Lowest Price
Air Canada, United, Delta, US Airways, WestJet
$411

Cheap International Flights to Seattle - SEA

Flights
Airline
Lowest Price
Air Canada, Alaska, United, Delta, US Airways, American, WestJet
$370
Air Canada, United, Delta, Alaska, American, WestJet
$464
Air Canada, United, Delta, US Airways, American
$539
Virgin Atlantic, Turkish, Swiss, Tap Portugal, Aeroflot, Delta, Iberia, Air Europa, Icelandair, US Airways, KLM, Austrian, SAS, Alitalia, Brussels, Finnair, British Airways, Air Canada, United, American, Air France, Lufthansa, Aer Lingus
$823
Air Canada, United, Delta, US Airways
$417
Air Canada, United, Delta, US Airways, WestJet
$417
Air Canada, United, Delta, US Airways
$540
Cheap Flights from Portland to Seattle, WA, United States, from $304 Round trip from PWM to SEA