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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
$334

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
$306
United, Delta, US Airways, JetBlue
$374
US Airways, Delta, United
$306
Delta, United, US Airways
$400
US Airways, Delta
$344
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
$287
Sun Country, US Airways, American, Hawaiian, Delta, JetBlue, Virgin America, Alaska, United, AirTran
$322
Alaska, American, United, Delta, US Airways
$324
United, US Airways, American, JetBlue, Alaska
$167
AirTran, JetBlue, Delta, Virgin America, Spirit, United, Sun Country, US Airways, American, Alaska
$277
US Airways, Delta, United
$372
Delta, US Airways, United
$360
US Airways, Delta, United
$382
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
$370
Air Canada, Delta, WestJet, American, Alaska, United
$467
American, US Airways, Delta, Air Canada, United
$519
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
$802
United, Air Canada, US Airways, Delta
$421
United, WestJet, US Airways, Delta, Air Canada
$421
Delta, United, Air Canada, US Airways
$543
Cheap Flights from Portland to Seattle, WA, United States, from $304 Round trip from PWM to SEA