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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
US Airways, Delta, United, JetBlue
$344

Cheap Domestic Flights to Seattle - SEA

Flights
Airline
Lowest Price
United, AirTran, Virgin America, JetBlue, Sun Country, American, US Airways, Alaska, Delta
$149
Delta, US Airways, United, American, Alaska
$362
Delta, US Airways, United
$324
United, Delta, US Airways, JetBlue
$374
US Airways, Delta, United
$324
Delta, United, US Airways
$388
US Airways, Delta
$544
Spirit, US Airways, Alaska, United, Delta, American, JetBlue, Virgin America, AirTran
$292
JetBlue, Spirit, Delta, US Airways, Alaska, American, AirTran, United
$155
Alaska, American, US Airways, Sun Country, Spirit, Hawaiian, JetBlue, Virgin America, AirTran, Delta, United
$346
JetBlue, Sun Country, American, US Airways, United, Delta, Spirit
$195
American, Spirit, AirTran, US Airways, Delta, United
$281
Sun Country, US Airways, American, Hawaiian, Delta, JetBlue, Virgin America, Alaska, United, AirTran
$322
Alaska, American, United, Delta, US Airways
$382
United, US Airways, American, JetBlue, Alaska
$167
AirTran, JetBlue, Delta, Virgin America, Spirit, United, Sun Country, US Airways, American, Alaska
$294
US Airways, Delta, United
$422
Delta, US Airways, United
$360
US Airways, Delta, United
$422
US Airways, American, Alaska, United, Delta, Spirit, AirTran, JetBlue
$304
American, Alaska, Delta
$444

Cheap International Flights from Portland - PWM

Flights
Airline
Lowest Price
WestJet, US Airways, Delta, United, Air Canada
$415

Cheap International Flights to Seattle - SEA

Flights
Airline
Lowest Price
Alaska, United, Delta, American, US Airways, WestJet, Air Canada
$370
Air Canada, Delta, WestJet, American, Alaska, United
$467
American, US Airways, Delta, Air Canada, United
$541
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
$807
United, Air Canada, US Airways, Delta
$421
United, WestJet, US Airways, Delta, Air Canada
$421
Delta, United, Air Canada, US Airways
$544
Cheap Flights from Portland to Seattle, WA, United States, from $304 Round trip from PWM to SEA