Southwest Airlines
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Seattle–Tacoma International Airport
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Midway International Airport
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Scan through all non-stop flights from Seattle / Tacoma to Chicago. The full flight schedule below gives an overview of all non-stop flights from SEA to MDW, which includes the daily timetable of every operating airline for the upcoming 12 months.
Note: for airline-specific flight schedules, please scroll further down.
Known for its continental climate, Chicago features hot, humid summers with temperatures above 30°C (86°F) and cold, snowy winters that often drop below 0°C (32°F). This striking seasonal contrast offers travelers a variety of activities, from summer hiking to winter sports, ensuring year-round appeal.
The best time to visit Chicago is from March to November, covering spring, summer, and fall. While summer can be hot, it also sees slightly more rainfall than other seasons.
Currently, there is only one airline operating non-stop flights from Seattle / Tacoma SEA to Chicago MDW, which is Southwest Airlines. This section gives an overview of the flight schedules and timetables of every airline with direct flights for this route.
Click an airline below to view their SEA MDW flight schedule.
Flights from SEA to MDW are operated 11 times a week, with an average of 2 flights per day. Departure times vary between 00:15 - 23:55. The earliest flight departs at 00:15, the last flight departs at 23:55. However, this depends on the date you are flying so please check with the full flight schedule above to see which departure times are available on your preferred date(s) of travel.
On this non-stop route, you can fly in Economy only.
The fastest direct flight from Seattle / Tacoma to Chicago takes 4 hours and 5 minutes. The flight distance between Seattle / Tacoma and Chicago is 1,727 miles (or 2,779 km).
There are 2 airports in Chicago: Midway International Airport (MDW) and O'Hare International Airport (ORD).
There are 11 flights per week flying from Seattle / Tacoma to Chicago (as of April 2026).
4 hours and 5 minutes is the average flight time from Seattle / Tacoma to Chicago.
The distance from Seattle / Tacoma to Chicago is 1,727 miles (2,779 kilometers).
Southwest Airlines is the only airline flying nonstop from Seattle / Tacoma to Chicago.
There are no alliances flying direct from Seattle / Tacoma to Chicago at the moment.
You can fly non-stop in Economy only.
Aircraft types that fly from Seattle / Tacoma to Chicago:
The earliest flight departs at 00:15 from Seattle / Tacoma and arrives at 06:05 at Chicago.
The latest flight departs at 23:55 from Seattle / Tacoma and arrives at 05:55 at Chicago.
1,727 miles (2,779 km) · 4h 5m
05:15
11:10
Southwest Airlines
WN 1807
Southwest Airlines
Boeing 737-800 (winglets)
Y
W
J
F
05:15
11:10
Southwest Airlines
WN 1807
Southwest Airlines
Boeing 757
Y
W
J
F
06:00
12:00
Southwest Airlines
WN 1807
Southwest Airlines
Boeing 737 MAX 8
Y
W
J
F
08:30
14:40
Southwest Airlines
WN 1807
Southwest Airlines
Boeing 757
Y
W
J
F
23:45
05:45
Southwest Airlines
WN 3951
Southwest Airlines
Boeing 737-800 (winglets)
Y
W
J
F
23:55
05:55
Southwest Airlines
WN 4198
Southwest Airlines
Boeing 737-800 (winglets)
Y
W
J
F
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