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

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.

Cheap Domestic Flights from Portland - PWM

Flights
Airline
Lowest Price
US Airways, Delta, United, JetBlue
$354

Cheap Domestic Flights to Seattle - SEA

Flights
Airline
Lowest Price
United, AirTran, Virgin America, JetBlue, Sun Country, American, US Airways, Alaska, Delta
$260
Delta, US Airways, United, American, Alaska
$360
Delta, US Airways, United
$313
United, Delta, US Airways, JetBlue
$354
US Airways, Delta, United
$313
Delta, United, US Airways
$338
US Airways, Delta
$395
Spirit, US Airways, Alaska, United, Delta, American, JetBlue, Virgin America, AirTran
$285
JetBlue, Spirit, Delta, US Airways, Alaska, American, AirTran, United
$130
Alaska, American, US Airways, Sun Country, Spirit, Hawaiian, JetBlue, Virgin America, AirTran, Delta, United
$251
JetBlue, Sun Country, American, US Airways, United, Delta, Spirit
$203
American, Spirit, AirTran, US Airways, Delta, United
$161
Sun Country, US Airways, American, Hawaiian, Delta, JetBlue, Virgin America, Alaska, United, AirTran
$251
Alaska, American, United, Delta, US Airways
$360
United, US Airways, American, JetBlue, Alaska
$149
AirTran, JetBlue, Delta, Virgin America, Spirit, United, Sun Country, US Airways, American, Alaska
$275
US Airways, Delta, United
$323
Delta, US Airways, United
$323
US Airways, Delta, United
$439
US Airways, American, Alaska, United, Delta, Spirit, AirTran, JetBlue
$285
American, Alaska, Delta
$331

Cheap International Flights from Portland - PWM

Flights
Airline
Lowest Price
WestJet, US Airways, Delta, United, Air Canada
$424

Cheap International Flights to Seattle - SEA

Flights
Airline
Lowest Price
Alaska, United, Delta, American, US Airways, WestJet, Air Canada
$356
Air Canada, Delta, WestJet, American, Alaska, United
$475
American, US Airways, Delta, Air Canada, United
$540
Aer Lingus, US Airways, Icelandair, Air Europa, Iberia, Delta, Aeroflot, Tap Portugal, Turkish, Virgin Atlantic, Swiss, KLM, Austrian, Lufthansa, Air France, American, United, Air Canada, British Airways, Finnair, Alitalia, SAS, Brussels
$658
United, Air Canada, US Airways, Delta
$430
United, WestJet, US Airways, Delta, Air Canada
$426
Delta, United, Air Canada, US Airways
$557
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Cheap Flights from Portland to Seattle, WA, United States, from $317 Round trip from PWM to SEA