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Cheap Flights from Harlingen to Seattle - HRL to SEA

Did You Know?

United Airlines has 490 connecting flights between Harlingen, TX and Seattle.
You must make at least one connection to fly from Harlingen, TX to Seattle.

Cheap Domestic Flights from Harlingen - HRL

Flights
Airline
Lowest Price
Delta, United
$422
AirTran, Sun Country, Delta, United
$441
United, Delta, Sun Country
$414

Cheap Domestic Flights to Seattle - SEA

Flights
Airline
Lowest Price
United, Alaska, American
$322
United, Alaska, American
$356
Alaska, American, United
$341
Alaska, United, American
$361
American, United, Alaska
$322
American, United, Alaska
$373
American, United
$294
American, United
$440
American, AirTran, United
$315
United, American
$294
American, United, Alaska
$221
American, United, Alaska
$244
American, United
$292
American, United
$322
American, United
$300
American, AirTran, United
$348
United, American
$294
United
$223

Cheap International Flights to Seattle - SEA

Flights
Airline
Lowest Price
AeroMexico, American, Delta, United
$486
American, AeroMexico, United, Delta, Air Canada
$489
United, Air Canada, American, Alaska
$878
American, AeroMexico, Volaris, United, Delta, LAN
$448
AeroMexico, United, Delta, LAN, American
$312
LAN, AeroMexico, American, Delta, United
$281
American, Delta, United
$486
Interjet, Volaris, United, Delta, American, AeroMexico
$229
Air Canada, United, Alaska, American
$712
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Cheap Flights from Harlingen to Seattle, from $400 Round trip from HRL to SEA