Washington to Chicago
IADMDW
Fly from Washington to Chicago starting at USD 139 with Frontier Airlines.
Best fare available on Oct 13, 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 80
Nov
from USD 81
Dec
from USD 128
Jan
from USD 199
Feb
from USD 187
Mar
from USD 306
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
Flights from Washington
Flights from Washington to AtlantaFlights from Washington to AustinFlights from Washington to BostonFlights from Washington to CharlotteFlights from Washington to DenverFlights from Washington to DallasFlights from Washington to DetroitFlights from Washington to NewarkFlights from Washington to Fort LauderdaleFlights from Washington to Honolulu
