ChicagoSeattleDirect FlightsMDW–SEA
Chicago (Chicago Midway International Airport) to Seattle (Seattle-Tacoma International Airport).
Flight time from MDW to SEA is estimated at about 4h 9m, based on the 1,729-mile great-circle distance. Our current captured departure sample includes 3/day across 1 captured airline, with Southwest Airlines appearing most often in that sample. Captured departure times run from 09:55 to 22:00 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 | 3/day From the current provider sample; confirm live timetables before booking. | Domestic |
Airlines on this route
Captured airlines for MDW to SEA
Our current provider sample includes 3/day from MDW to SEA across 1 captured airline.
- First departure
- 09:55
- Last departure
- 22:00
- Cadence
- ~hourly
- Captured departures/day
- 11
| Airline | Captured daily freq. | Aircraft | Departures (local) |
|---|---|---|---|
| Southwest Airlines | 3/day | Boeing 737 · Seat map | 09:5510:1010:20 |
Aircraft on this route
Flying the other way?
SEA to MDW flights — 2-3/day on 1 airline →Methodology: airline, aircraft, terminal, and departure-time details come from the rolling scheduled-departures window for MDW to SEA, last seen June 15, 2026. Frequency uses 21 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 MDW to SEA?
The MDW to SEA flight time is estimated at about 4h 9m from great-circle distance until enough tracked flights are available.
How far is MDW from SEA?
MDW to SEA is about 1,729 miles by air.
Which airlines fly from MDW to SEA?
Our current provider sample for MDW to SEA includes Southwest Airlines. Confirm live timetables before booking.
What aircraft fly from MDW to SEA?
Aircraft captured in our current provider sample for MDW to SEA include Boeing 737.