Chicago, IL Flights - Book Cheap Flights to Chicago, IL
Popular airlines from Seattle-Tacoma International Airport (SEA) to Chicago
Alaska AirlinesAlaska Airlines
DeltaDelta
Frontier AirlinesFrontier Airlines
American AirlinesAmerican Airlines
UnitedUnited
Southwest AirlinesSouthwest Airlines
Sun Country AirlinesSun Country Airlines
Be in the knowGet alerts if flight prices drop or rise*
Book smarterSave up to 35% on select hotels after you book a flight*
Travel information
Origin airport | Seattle-Tacoma International Airport |
|---|---|
Destination airport | Chicago Midway Airport |
Distance | 2,782 km away |
Airlines serving | Southwest Airlines, Delta, Frontier Airlines |
Popular airline | Southwest Airlines |
Average flight time | 3 hours 55 mins |
*Available to Expedia members.