Chicago (MDW) to Seattle (SEA) flights
One airline flies nonstop from Chicago (MDW) to Seattle (SEA): 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 MDW to SEA
- Southwest AirlinesNot in an allianceWho books it
MDW to SEA with one stop
51 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Spokane (GEG)Southwest Airlines, then Alaska Airlines and Delta Air Lines
- Via Bozeman (BZN)Southwest Airlines, then Alaska Airlines and Delta Air Lines
- Via Minneapolis (MSP)Delta Air Lines the whole way
- Via Milwaukee (MKE)Southwest Airlines, then Alaska Airlines
- Via Omaha (OMA)Southwest Airlines, then Alaska Airlines
- Via Boise (BOI)Southwest Airlines, then Alaska Airlines and Delta Air Lines
- Via Portland (PDX)Southwest Airlines, then Alaska Airlines and Delta Air Lines
- Via Kansas City (MCI)Southwest Airlines the whole way
- Via Denver (DEN)Southwest Airlines the whole way+3
- Via Salt Lake City (SLC)Southwest Airlines, then Alaska Airlines and Delta Air Lines
- Via Saint Louis (STL)Southwest Airlines the whole way
- Via Wichita (ICT)Southwest Airlines, then Alaska Airlines
- Via Indianapolis (IND)Southwest Airlines, then Alaska Airlines and American Airlines
- Via Tulsa (TUL)Southwest Airlines, then Alaska Airlines
- Via Detroit (DTW)Delta Air Lines the whole way
MDW to SEA: common questions
Which airlines fly nonstop from MDW to SEA?
Southwest Airlines flies nonstop from Chicago (MDW) to Seattle (SEA).
How far is Chicago from Seattle by plane?
Chicago (MDW) and Seattle (SEA) 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 MDW to SEA cost?
It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for MDW to SEA with taxes and fees.
Where can I connect between Chicago and Seattle?
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.