Chicago to Washington
MDWIAD
Fly from Chicago to Washington starting at USD 411 with Southwest Airlines.
Best fare available on Sep 10, 2026.
Limited seats. Better plans. Book before it's gone.
Chicago to Washington cheapest flights this week
Chicago to Washington monthly flight fare trend
Jun
from USD 73
Jul
No flights
Aug
No flights
Sep
from USD 411
Oct
No flights
Nov
No flights
Airport Details
Origin
Chicago
Chicago Midway International Airport (MDW)
Chicago, MDW
Zone
Chicago
Elev
620 ft
Destination
Washington
Washington Dulles International Airport (IAD)
Dulles, IAD
Zone
New York
Elev
312 ft
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