Chicago to Seattle
MDWSEA
Fly from Chicago to Seattle starting at USD 182 with WN.
Best fare available on Aug 4, 2026.
Limited seats. Better plans. Book before it's gone.
Chicago to Seattle cheapest flights this week
29 Jun
WN
21:55MDW
02:25SEA
Direct$183VIEW DEAL
4 Aug
WN
21:00MDW
01:35SEA
Direct$182VIEW DEAL
1 Sept
WN
10:35MDW
15:05SEA
Direct$185VIEW DEAL
13 Sept
WN
14:35MDW
19:00SEA
Direct$183VIEW DEAL
Chicago to Seattle monthly flight fare trend
May
from USD 167
Jun
from USD 183
Jul
No flights
Aug
from USD 182
Sep
from USD 183
Oct
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
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