Chicago to Seattle

MDWSEA

Fly from Chicago to Seattle starting at SAR 537 with Southwest Airlines.Best fare available on Aug 11, 2026.Limited seats. Better plans. Book before it's gone.

Chicago to Seattle cheapest flights this week

5 Aug
Frontier Airlines
16:45MDW
13:04SEA
2 StopSAR 703VIEW DEAL
6 Aug
Frontier Airlines
21:27MDW
11:04SEA
2 StopSAR 566VIEW DEAL
6 Aug
Frontier Airlines
11:06MDW
13:04SEA
2 StopSAR 666VIEW DEAL
7 Aug
Southwest Airlines
18:15MDW
02:40SEA
1 StopSAR 696VIEW DEAL
8 Aug
Southwest Airlines
18:25MDW
22:55SEA
DirectSAR 884VIEW DEAL
9 Aug
Frontier Airlines
06:05MDW
11:04SEA
2 StopSAR 722VIEW DEAL
9 Aug
Southwest Airlines
06:30MDW
12:40SEA
1 StopSAR 1,180VIEW DEAL
10 Aug
Frontier Airlines
06:05MDW
15:17SEA
2 StopSAR 751VIEW DEAL
11 Aug
Southwest Airlines
21:00MDW
01:35SEA
DirectSAR 692VIEW DEAL
11 Aug
Southwest Airlines
16:45MDW
01:25SEA
1 StopSAR 537VIEW DEAL

Chicago to Seattle monthly flight fare trend

Aug
from SAR 537
Sep
from SAR 481
Oct
from SAR 500
Nov
No flights
Dec
from SAR 755
Jan
No flights

Airport Details

Origin

Chicago

Chicago Midway International Airport (MDW)

Chicago, MDW
Zone

Chicago

Elev

620 ft

Destination

Seattle

Seattle–Tacoma International Airport (SEA)

Seattle, SEA
Zone

Los Angeles

Elev

433 ft

Flights from Chicago

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