Southwest Airlines
Did you mean flights from Seattle / Tacoma to Chicago?
United States
Midway International Airport
Switch direction
United States
Seattle–Tacoma International Airport
Click to show full flight schedule
Scan through all non-stop flights from Chicago to Seattle / Tacoma. The full flight schedule below gives an overview of all non-stop flights from MDW to SEA, which includes the daily timetable of every operating airline for the upcoming 12 months.
Note: for airline-specific flight schedules, please scroll further down.
In Seattle / Tacoma, the summers are known for being warm, long, and dry, with temperatures typically reaching about 30°C (86°F). The area’s breathtaking scenery complements the sun-filled lifestyle, making it a popular destination for visitors all year round who are looking for relaxation, fun by the water, and the beauty of the outdoors.
Seattle / Tacoma is best explored from mid-spring to summer, specifically between April and September, as most rainfall occurs from October to February.
Currently, there is only one airline operating non-stop flights from Chicago MDW to Seattle / Tacoma SEA, 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 MDW SEA flight schedule.
Flights from MDW to SEA are operated 11 times a week, with an average of 2 flights per day. Departure times vary between 09:55 - 22:40. The earliest flight departs at 09:55, the last flight departs at 22:40. 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 Chicago to Seattle / Tacoma takes 4 hours and 30 minutes. The flight distance between Chicago and Seattle / Tacoma is 1,727 miles (or 2,779 km).
There are 3 airports in Seattle / Tacoma: Seattle–Tacoma International Airport (SEA), Boeing Field/King County Internat (BFI) and Kenmore Air Harbor Seaplane Base (FAA: W55) (LKE).
There are 11 flights per week flying from Chicago to Seattle / Tacoma (as of April 2026).
4 hours and 30 minutes is the average flight time from Chicago to Seattle / Tacoma.
The distance from Chicago to Seattle / Tacoma is 1,727 miles (2,779 kilometers).
Southwest Airlines is the only airline flying nonstop from Chicago to Seattle / Tacoma.
There are no alliances flying direct from Chicago to Seattle / Tacoma at the moment.
You can fly non-stop in Economy only.
Aircraft types that fly from Chicago to Seattle / Tacoma:
The earliest flight departs at 09:55 from Chicago and arrives at 12:30 at Seattle / Tacoma.
The latest flight departs at 22:40 from Chicago and arrives at 01:15 at Seattle / Tacoma.
1,727 miles (2,779 km) · 4h 30m
10:10
12:40
Southwest Airlines
WN 3521
Southwest Airlines
Boeing 737 MAX 8
Y
W
J
F
10:15
12:45
Southwest Airlines
WN 3521
Southwest Airlines
Boeing 737 MAX 8
Y
W
J
F
10:15
12:45
Southwest Airlines
WN 3521
Southwest Airlines
Boeing 737 MAX 8
Y
W
J
F
10:35
13:05
Southwest Airlines
WN 3521
Southwest Airlines
Boeing 737 MAX 8
Y
W
J
F
18:05
20:35
Southwest Airlines
WN 3378
Southwest Airlines
Boeing 737 MAX 8
Y
W
J
F
21:35
00:05
Southwest Airlines
WN 3378
Southwest Airlines
Boeing 737 MAX 8
Y
W
J
F
21:40
00:10
Southwest Airlines
WN 3378
Southwest Airlines
Boeing 737 MAX 8
Y
W
J
F
Click to Check Prices
