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Cheap Flights from Seattle to Illinois

Popular 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

Flights
Airline
Lowest Price
Delta, Alaska, US Airways, American, Sun Ctry, United, Frontier, AirTran, Virgin America
$218
Cheap Flights from Seattle to Illinois - from $218 Round trip from SEA to IL