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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
$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
$316
United, Delta, US Airways, JetBlue
$374
US Airways, Delta, United
$316
Delta, United, US Airways
$410
US Airways, Delta
$346
Spirit, US Airways, Alaska, United, Delta, American, JetBlue, Virgin America, AirTran
$292
JetBlue, Spirit, Delta, US Airways, Alaska, American, AirTran, United
$135
Alaska, American, US Airways, Sun Country, Spirit, Hawaiian, JetBlue, Virgin America, AirTran, Delta, United
$337
JetBlue, Sun Country, American, US Airways, United, Delta, Spirit
$195
American, Spirit, AirTran, US Airways, Delta, United
$255
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
$309
US Airways, Delta, United
$368
Delta, US Airways, United
$360
US Airways, Delta, United
$392
US Airways, American, Alaska, United, Delta, Spirit, AirTran, JetBlue
$295
American, Alaska, Delta
$414

Cheap International Flights from Portland - PWM

Flights
Airline
Lowest Price
WestJet, US Airways, Delta, United, Air Canada
$414

Cheap International Flights to Seattle - SEA

Flights
Airline
Lowest Price
Alaska, United, Delta, American, US Airways, WestJet, Air Canada
$369
Air Canada, Delta, WestJet, American, Alaska, United
$463
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
$784
United, Air Canada, US Airways, Delta
$420
United, WestJet, US Airways, Delta, Air Canada
$420
Delta, United, Air Canada, US Airways
$543
Cheap Flights from Portland to Seattle, WA, United States, from $304 Round trip from PWM to SEA