Cheap Flights from Seattle to Illinois
Did You Know?
Minneapolis-St Paul, MN has the most direct flights to Illinois.
There are 43 carriers flying into Illinois.
There are 65 connecting cities from Seattle, WA to Illinois.
The most popular destination from Seattle, WA is Portland International.
Minneapolis-St Paul, MN is the most popular connecting city from Seattle, WA to Illinois.
The longest flight from Seattle, WA to Illinois is 1,727 miles.
The shortest flight from Seattle, WA to Illinois is 1,727 miles.
There are 242 direct flights from Seattle to Illinois.
Cheap Domestic Flights from Seattle - SEA
Delta, Alaska, US Airways, American, Sun Ctry, United, Frontier, AirTran, Virgin America
Alaska, US Airways, American, United, Delta
American, Frontier, Delta
United, Delta, US Airways, American