SeattleChicagoDirect FlightsSEA–MDW
Seattle (Seattle-Tacoma International Airport) to Chicago (Chicago Midway International Airport).
Flight time from SEA to MDW is estimated at about 4h 9m, based on the 1,729-mile great-circle distance. Our current captured departure sample includes 2-3/day across 1 captured airline, with Southwest Airlines appearing most often in that sample. Captured departure times run from 05:00 to 23:05 local time.
Plan this routeAt a glance
| Est. flight time | Distance | Captured freq. | Type |
|---|---|---|---|
| ~4h 9m Estimated from great-circle distance — no tracked flights yet. | 1,729 mi | 2-3/day From the current provider sample; confirm live timetables before booking. | Domestic |
Airlines on this route
Captured airlines for SEA to MDW
Our current provider sample includes 2-3/day from SEA to MDW across 1 captured airline.
- First departure
- 05:00
- Last departure
- 23:05
- Cadence
- 8 departures/day
- Captured departures/day
- 8
| Airline | Captured daily freq. | Aircraft | Departures (local) |
|---|---|---|---|
| Southwest Airlines | 2-3/day | Boeing 737 · Seat map | 05:0005:1505:30 |
Aircraft on this route
Flying the other way?
MDW to SEA flights — 3/day on 1 airline →Methodology: airline, aircraft, terminal, and departure-time details come from the rolling scheduled-departures window for SEA to MDW, last seen June 15, 2026. Frequency uses 17 scheduled departures across 7 observed days; flight time is estimated from great-circle distance until this route has enough tracked flights for an observed average. Provider coverage can miss operators on some routes, so confirm live timetables before booking.
Route FAQ
How long is the flight from SEA to MDW?
The SEA to MDW flight time is estimated at about 4h 9m from great-circle distance until enough tracked flights are available.
How far is SEA from MDW?
SEA to MDW is about 1,729 miles by air.
Which airlines fly from SEA to MDW?
Our current provider sample for SEA to MDW includes Southwest Airlines. Confirm live timetables before booking.
What aircraft fly from SEA to MDW?
Aircraft captured in our current provider sample for SEA to MDW include Boeing 737.