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Cheap Flights from Seattle to Illinois

Did You Know?

American Airlines has 27 nonstop flights between Seattle and Illinois.
The largest aircraft flying nonstop from Seattle to Illinois is the Boeing 777 with 328 seats.
There are no short haul direct flights between Seattle and Illinois.
There is only one nonstop flight from Seattle to Illinois per week on large aircraft.
39% of all flights from Seattle to Illinois arrive during afternoon hours.
There are 79 nonstop flights from Seattle to Illinois.
American Airlines provides 34% of the nonstop flights from Seattle to Illinois.
The shortest nonstop flight between Seattle and Illinois is 1,715 miles.

Cheap Domestic Flights from Seattle - SEA

Flights
Airline
Lowest Price
Delta, Alaska, US Airways, American, Sun Country, United, Frontier, AirTran, Virgin America
$254
Alaska, US Airways, American, United, Delta
$349
American, Frontier, Delta
$349
United, Delta, US Airways, American
$349
American
$349
United, American
$349

Cheap Domestic Flights to Illinois - IL

Flights
Airline
Lowest Price
American, United, Frontier, Delta, Alaska, Virgin America, Spirit, US Airways
$182
American, Frontier, Delta, Alaska
$325
American, US Airways, United, Delta, Alaska
$325
United, American, US Airways, Delta
$349
US Airways, Delta, United, American, Alaska
$349
Delta, Alaska
$305
American, United
$349
American, Delta, Alaska
$313
American
$349
Delta, Frontier, American
$349
US Airways, Alaska, United, Delta, American
$330
American, Delta, Alaska
$361
Delta, American
$361

Cheap International Flights to Illinois - IL

Flights
Airline
Lowest Price
American, United, Alaska, Air Canada, Delta, US Airways, WestJet
$388
Air Canada, Delta, United, Alaska, American, WestJet
$415
United, Alaska, American, Delta
$492
WestJet, Air Canada
$416
American, Delta
$419
United, Delta, US Airways, American
$439
Air Canada, WestJet
$439
American
$741
American, United
$966
Air Canada
$388
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Cheap Flights from Seattle to Illinois - from $254 Round trip from SEA to IL