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Cheap Flights from London to Seattle, WA, United States - YXU to SEA

Did You Know?

United Airlines has 490 connecting flights between London, ON and Seattle.
There are 2800 flights from London, ON to Seattle per week.
You must make at least one connection to fly from London, ON to Seattle.
70,839 seats are available per week to fly from London, ON to Seattle.

Cheap Domestic Flights from London - YXU

Flights
Airline
Lowest Price
WestJet, Air Canada
CAD643

Cheap Domestic Flights to Seattle - SEA

Flights
Airline
Lowest Price
AirTran, Frontier, American, United, Delta, US Airways, Alaska
$266
Delta, Alaska, United, US Airways, American, JetBlue, AirTran
$381
US Airways, Alaska, Delta, Frontier, United, American
$214
AirTran, United, Delta, US Airways, Alaska, American, JetBlue
$162
JetBlue, American, US Airways, Alaska, Delta, United
$302
AirTran, Delta, United, US Airways
$370
United, Delta, American
$300
Delta, Alaska, United, Sun Country
$344
US Airways, United, Delta
$313
WestJet, Air Canada
CAD594
WestJet, Air Canada
CAD598
US Airways, Alaska, American, United, Delta, Frontier, AirTran
$273
WestJet
CAD590
Frontier, American, US Airways, Delta, United, Alaska
$331
Alaska, American, United, Delta, JetBlue, AirTran, US Airways
$346
WestJet, Air Canada
CAD816
Air Canada, WestJet
CAD570
JetBlue, United, Delta, Alaska, US Airways, American
$327
American, US Airways, AirTran, Delta, United, Alaska, Frontier
$273
Air Canada, WestJet
CAD705

Cheap International Flights to Seattle - SEA

Flights
Airline
Lowest Price
US Airways, Air Canada, Alaska, Delta, American, United
CAD480
Air Canada, Alaska, WestJet, Delta, US Airways, American, United
$323
Delta, US Airways, Air Canada, Alaska, WestJet, United, American
$460
United, Delta, Alaska, Air Canada, WestJet, American, US Airways
$421
Delta, US Airways, Air Canada, Alaska, United, American
CAD524
United, Air Canada, Delta, Alaska, US Airways, American, WestJet
$650
Air Canada, United, Delta, US Airways, WestJet, Alaska, American
CAD525
American, Air Canada, Delta, United, US Airways
$473
Cheap Flights from London to Seattle, WA, United States, from CAD665 Round trip from YXU to SEA