Washington to Chicago
IADORD
Fly from Washington to Chicago starting at USD 103 with United Airlines.
Best fare available on Oct 14, 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 USD 62
Nov
from USD 92
Dec
from USD 118
Jan
from USD 140
Feb
from USD 115
Mar
from USD 173
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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