Nonstop flights from Seattle to Chicago

Southwest Airlines flies this route 2 to 3 times a day.

SEASeattle-Tacoma International

1,729 mi · 20 flights a week

MDWChicago Midway International

SEAMDW

When they leave

Seattle time

5:15a11:05pFirst departure 5:15 AM, last 11:05 PM

Six in the morning, 5:15 AM to 10:50 AM, then one evening flight at 11:05 PM.

Every flight

Earliest first

5:15 AM→11:15 AMSouthwest AirlinesBoeing 737 MAX 8Mon, Thu, Fri
5:20 AM→11:15 AMSouthwest AirlinesBoeing 737 MAX 8Tue, Wed
5:40 AM→11:35 AMSouthwest AirlinesBoeing 737 MAX 8Sat, Sun
10:20 AM→4:30 PMSouthwest AirlinesBoeing 737 MAX 8Sun
10:45 AM→4:50 PMSouthwest AirlinesBoeing 737Tue, Wed
10:50 AM→4:55 PMSouthwest AirlinesBoeing 737Mon, Thu, Fri
11:05 PM→5:05 AM⁺¹Southwest AirlinesBoeing 737Daily

Schedules last checked Sep 21, 2026. Times are local.

Flying from Seattle to Chicago

Southwest Airlines is the only airline flying nonstop from Seattle to Chicago, 2 to 3 times a day on the Boeing 737 MAX 8 and Boeing 737.

There are 2 or 3 flights every day of the week. The first arrival in Chicago is at 11:15 AM and the last at 5:05 AM the next day. The flight covers 1,729 miles.

Flying back, Chicago to Seattle has 20 nonstop flights a week. From Seattle, O'Hare (ORD) is the other Chicago area airport with nonstop flights, 137 a week.