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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
$348

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
$373
Delta, US Airways, United
$333
United, Delta, US Airways, JetBlue
$389
US Airways, Delta, United
$333
Delta, United, US Airways
$317
US Airways, Delta
$565
Spirit, US Airways, Alaska, United, Delta, American, JetBlue, Virgin America, AirTran
$292
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
$300
Sun Country, US Airways, American, Hawaiian, Delta, JetBlue, Virgin America, Alaska, United, AirTran
$335
Alaska, American, United, Delta, US Airways
$393
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
$439
Delta, US Airways, United
$375
US Airways, Delta, United
$439
US Airways, American, Alaska, United, Delta, Spirit, AirTran, JetBlue
$306
American, Alaska, Delta
$427

Cheap International Flights from Portland - PWM

Flights
Airline
Lowest Price
WestJet, US Airways, Delta, United, Air Canada
$426

Cheap International Flights to Seattle - SEA

Flights
Airline
Lowest Price
Alaska, United, Delta, American, US Airways, WestJet, Air Canada
$385
Air Canada, Delta, WestJet, American, Alaska, United
$476
American, US Airways, Delta, Air Canada, United
$558
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
$709
United, Air Canada, US Airways, Delta
$432
United, WestJet, US Airways, Delta, Air Canada
$412
Delta, United, Air Canada, US Airways
$559
Cheap Flights from Portland to Seattle, WA, United States, from $304 Round trip from PWM to SEA