Washington to Chicago
IADORD
Fly from Washington to Chicago starting at USD 73 with Frontier Airlines.
Best fare available on Jun 2, 2026.
Limited seats. Better plans. Book before it's gone.
Washington to Chicago cheapest flights this week
Washington to Chicago monthly flight fare trend
May
from USD 80
Jun
from USD 73
Jul
No flights
Aug
from USD 125
Sep
No flights
Oct
No flights
Airport Details
Origin
Washington
Washington Dulles International Airport (IAD)
Dulles, IAD
Zone
New York
Elev
312 ft
Destination
Chicago
Chicago O'Hare International Airport (ORD)
Chicago, ORD
Zone
Chicago
Elev
680 ft
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