Seattle (SEA) to Chicago (MDW) flights
One airline flies nonstop from Seattle (SEA) to Chicago (MDW): Southwest Airlines. The two airports are 1,729 miles (2,782 km) apart. There are also 51 ways to fly it with one stop, through Spokane, Bozeman and Minneapolis and more.
Airlines flying nonstop from SEA to MDW
- Southwest AirlinesNot in an allianceWho books it
SEA to MDW with one stop
51 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Spokane (GEG)Alaska Airlines and Delta Air Lines, then Southwest Airlines
- Via Bozeman (BZN)Alaska Airlines and Delta Air Lines, then Southwest Airlines
- Via Minneapolis (MSP)Delta Air Lines the whole way
- Via Milwaukee (MKE)Alaska Airlines, then Southwest Airlines
- Via Omaha (OMA)Alaska Airlines, then Southwest Airlines
- Via Boise (BOI)Alaska Airlines and Delta Air Lines, then Southwest Airlines
- Via Portland (PDX)Alaska Airlines and Delta Air Lines, then Southwest Airlines
- Via Kansas City (MCI)Southwest Airlines the whole way
- Via Denver (DEN)Southwest Airlines the whole way+3
- Via Salt Lake City (SLC)Alaska Airlines and Delta Air Lines, then Southwest Airlines
- Via Saint Louis (STL)Southwest Airlines the whole way
- Via Wichita (ICT)Alaska Airlines, then Southwest Airlines
- Via Indianapolis (IND)Alaska Airlines and American Airlines, then Southwest Airlines
- Via Tulsa (TUL)Alaska Airlines, then Southwest Airlines
- Via Detroit (DTW)Delta Air Lines the whole way
SEA to MDW: common questions
Which airlines fly nonstop from SEA to MDW?
Southwest Airlines flies nonstop from Seattle (SEA) to Chicago (MDW).
How far is Seattle from Chicago by plane?
Seattle (SEA) and Chicago (MDW) are 1,729 miles (2,782 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.
How many miles does SEA to MDW cost?
It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for SEA to MDW with taxes and fees.
Where can I connect between Seattle and Chicago?
The most direct connections are through Spokane (GEG), Bozeman (BZN), Minneapolis (MSP), Milwaukee (MKE) and Omaha (OMA). On 18 of them the same airline flies both flights, for example Delta Air Lines through Minneapolis.
More routes
Routes are scheduled nonstop flights. The route data is refreshed monthly; this list was last checked November 11, 2026. Seasonal routes and new launches can be missing or end early, so confirm with the airline before you book. Distances are great-circle, the shortest path between the two airports.