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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
$335
Delta, US Airways, United
$315
United, Delta, US Airways, JetBlue
$389
US Airways, Delta, United
$315
Delta, United, US Airways
$317
US Airways, Delta
$398
Spirit, US Airways, Alaska, United, Delta, American, JetBlue, Virgin America, AirTran
$300
JetBlue, Spirit, Delta, US Airways, Alaska, American, AirTran, United
$161
Alaska, American, US Airways, Sun Country, Spirit, Hawaiian, JetBlue, Virgin America, AirTran, Delta, United
$360
JetBlue, Sun Country, American, US Airways, United, Delta, Spirit
$203
American, Spirit, AirTran, US Airways, Delta, United
$254
Sun Country, US Airways, American, Hawaiian, Delta, JetBlue, Virgin America, Alaska, United, AirTran
$335
Alaska, American, United, Delta, US Airways
$311
United, US Airways, American, JetBlue, Alaska
$167
AirTran, JetBlue, Delta, Virgin America, Spirit, United, Sun Country, US Airways, American, Alaska
$308
US Airways, Delta, United
$358
Delta, US Airways, United
$358
US Airways, Delta, United
$393
US Airways, American, Alaska, United, Delta, Spirit, AirTran, JetBlue
$306
American, Alaska, Delta
$462

Cheap International Flights from Portland - PWM

Flights
Airline
Lowest Price
WestJet, US Airways, Delta, United, Air Canada
$381

Cheap International Flights to Seattle - SEA

Flights
Airline
Lowest Price
Alaska, United, Delta, American, US Airways, WestJet, Air Canada
$386
Air Canada, Delta, WestJet, American, Alaska, United
$476
American, US Airways, Delta, Air Canada, United
$544
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
$750
United, Air Canada, US Airways, Delta
$383
United, WestJet, US Airways, Delta, Air Canada
$387
Delta, United, Air Canada, US Airways
$559
Cheap Flights from Portland to Seattle, WA, United States, from $317 Round trip from PWM to SEA