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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
$289
Alaska, US Airways, American, United, Delta
$369
American, Frontier, Delta
$369
United, Delta, US Airways, American
$369
American
$369
United, American
$369

Cheap Domestic Flights to Illinois - IL

Flights
Airline
Lowest Price
American, United, Frontier, Delta, Alaska, Virgin America, Spirit, US Airways
$227
American, Frontier, Delta, Alaska
$428
American, US Airways, United, Delta, Alaska
$430
United, American, US Airways, Delta
$369
US Airways, Delta, United, American, Alaska
$369
Delta, Alaska
$395
American, United
$369
American, Delta, Alaska
$412
American
$369
Delta, Frontier, American
$289
US Airways, Alaska, United, Delta, American
$330
American, Delta, Alaska
$382
Delta, American
$382

Cheap International Flights to Illinois - IL

Flights
Airline
Lowest Price
American, United, Alaska, Air Canada, Delta, US Airways, WestJet
CAD366
Air Canada, Delta, United, Alaska, American, WestJet
CAD569
United, Alaska, American, Delta
CAD485
WestJet, Air Canada
CAD623
American, Delta
CAD425
United, Delta, US Airways, American
CAD435
Air Canada, WestJet
CAD614
American
CAD769
American, United
CAD1011
Air Canada
CAD581
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Cheap Flights from Seattle to Illinois - from $289 Round trip from SEA to IL