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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.
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
US Airways, Delta, United, JetBlue
$364

Cheap Domestic Flights to Seattle - SEA

Flights
Airline
Lowest Price
United, AirTran, Virgin America, JetBlue, Sun Country, American, US Airways, Alaska, Delta
$298
Delta, US Airways, United, American, Alaska
$359
Delta, US Airways, United
$315
United, Delta, US Airways, JetBlue
$375
US Airways, Delta, United
$315
Delta, United, US Airways
$335
US Airways, Delta
$428
Spirit, US Airways, Alaska, United, Delta, American, JetBlue, Virgin America, AirTran
$317
JetBlue, Spirit, Delta, US Airways, Alaska, American, AirTran, United
$144
Alaska, American, US Airways, Sun Country, Spirit, Hawaiian, JetBlue, Virgin America, AirTran, Delta, United
$325
JetBlue, Sun Country, American, US Airways, United, Delta, Spirit
$214
American, Spirit, AirTran, US Airways, Delta, United
$192
Sun Country, US Airways, American, Hawaiian, Delta, JetBlue, Virgin America, Alaska, United, AirTran
$325
Alaska, American, United, Delta, US Airways
$333
United, US Airways, American, JetBlue, Alaska
$181
AirTran, JetBlue, Delta, Virgin America, Spirit, United, Sun Country, US Airways, American, Alaska
$325
US Airways, Delta, United
$320
Delta, US Airways, United
$320
US Airways, Delta, United
$421
US Airways, American, Alaska, United, Delta, Spirit, AirTran, JetBlue
$325
American, Alaska, Delta
$351

Cheap International Flights from Portland - PWM

Flights
Airline
Lowest Price
WestJet, US Airways, Delta, United, Air Canada
$437

Cheap International Flights to Seattle - SEA

Flights
Airline
Lowest Price
Alaska, United, Delta, American, US Airways, WestJet, Air Canada
$400
Air Canada, Delta, WestJet, American, Alaska, United
$469
American, US Airways, Delta, Air Canada, United
$575
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
$680
United, Air Canada, US Airways, Delta
$432
United, WestJet, US Airways, Delta, Air Canada
$444
Delta, United, Air Canada, US Airways
$575
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Cheap Flights from Portland to Seattle, WA, United States, from $315 Round trip from PWM to SEA