Washington to Chicago
IADMDW
Fly from Washington to Chicago starting at SAR 326 with Frontier Airlines.
Best fare available on Oct 5, 2026.
Limited seats. Better plans. Book before it's gone.
Washington to Chicago cheapest flights this week
Washington to Chicago monthly flight fare trend
Oct
from SAR 326
Nov
from SAR 359
Dec
from SAR 474
Jan
from SAR 736
Feb
from SAR 692
Mar
from SAR 1,132
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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