Washington to Chicago
IADMDW
Fly from Washington to Chicago starting at USD 120 with Frontier Airlines.
Best fare available on Sep 8, 2026.
Limited seats. Better plans. Book before it's gone.
Washington to Chicago cheapest flights this week
Washington to Chicago monthly flight fare trend
Sep
from USD 89
Oct
from USD 88
Nov
from USD 97
Dec
from USD 128
Jan
No flights
Feb
from USD 386
Airport Details
Origin
Washington
Washington Dulles International Airport (IAD)
Dulles, IAD
Zone
New York
Elev
312 ft
Destination
Chicago
Chicago Midway International Airport (MDW)
Chicago, MDW
Zone
Chicago
Elev
620 ft
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