Chicago to Seattle
MDWSEA
Fly from Chicago to Seattle starting at SAR 182 with Southwest Airlines.
Best fare available on Aug 4, 2026.
Limited seats. Better plans. Book before it's gone.
Chicago to Seattle cheapest flights this week
Chicago to Seattle monthly flight fare trend
Jun
from SAR 183
Jul
No flights
Aug
from SAR 182
Sep
from SAR 183
Oct
No flights
Nov
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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