Direct flights from Chicago to Seattle
All flights from MDW to SEA non-stop. There are direct flights from Chicago Midway International (MDW), Illinois, USA to Seattle Tacoma International (SEA), Washington, USA with Southwest Airlines. 20 weekly departures are currently scheduled on this route. Departure times range from 09:55 to 22:55 depending on the schedule period. The flight distance is 1738 miles (2796 km). Flight time ranges from 4 hours and 25 minutes to 4 hours and 45 minutes.
Chicago
, USA
Flight schedule from Chicago to Seattle with Southwest Airlines
This is a weekly direct flight schedule for Southwest Airlines. Use the arrows or click on the date to change week. Click on any flight departure time to show more information and check availability.
Flight
The timetable & schedule information was updated at 2026-08-24
Chicago to Seattle scheduled departures
Select a date to see every published non-stop departure between MDW and SEA.
MDW - SEA route facts
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Distance1738 miles (2796 km)
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Flight time4 hours and 25 minutes to 4 hours and 45 minutes
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Airline Southwest
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Airline alliancesLow-cost carrier
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CabinsEconomy
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AircraftBoeing 737MAX 8 Passenger and Boeing 737-700 Passenger (Scimitar Winglets)
Route FAQ
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