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Cheap Flights from Seattle to Illinois

Did You Know?

American Airlines has 28 nonstop flights between Seattle and Illinois.
The largest aircraft flying nonstop from Seattle to Illinois is the Boeing 737-900 (Winglets) with 181 seats.
There are no short haul direct flights between Seattle and Illinois.
40% of all flights from Seattle to Illinois arrive during afternoon hours.
There are 102 nonstop flights from Seattle to Illinois.
American Airlines provides 27% of the nonstop flights from Seattle to Illinois.
The shortest nonstop flight between Seattle and Illinois is 1,715 miles.
Seattle has 102 long haul flights nonstop to Illinois each week.

Cheap Domestic Flights from Seattle - SEA

Flights
Airline
Lowest Price
Delta, Alaska, US Airways, American, Sun Country, United, Frontier, AirTran, Virgin America
$244
Alaska, US Airways, American, United, Delta
$353
American, Frontier, Delta
$353
United, Delta, US Airways, American
$353
American
$353
United, American
$353

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
$280
American, US Airways, United, Delta, Alaska
$282
United, American, US Airways, Delta
$353
US Airways, Delta, United, American, Alaska
$353
Delta, Alaska
$263
American, United
$353
American, Delta, Alaska
$273
American
$353
Delta, Frontier, American
$353
US Airways, Alaska, United, Delta, American
$334
American, Delta, Alaska
$366
Delta, American
$366

Cheap International Flights to Illinois - IL

Flights
Airline
Lowest Price
American, United, Alaska, Air Canada, Delta, US Airways, WestJet
$449
Air Canada, Delta, United, Alaska, American, WestJet
$434
United, Alaska, American, Delta
$491
WestJet, Air Canada
$472
American, Delta
$418
United, Delta, US Airways, American
$438
Air Canada, WestJet
$489
American
$740
American, United
$965
Air Canada
$440
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Cheap Flights from Seattle to Illinois - from $244 Round trip from SEA to IL