Chicago to Washington

MDWIAD

Fly from Chicago to Washington starting at USD 137 with Allegiant Air.Best fare available on Oct 8, 2026.Limited seats. Better plans. Book before it's gone.

Chicago to Washington cheapest flights this week

30 Sept
Frontier Airlines
06:25MDW
16:18IAD
1 StopUSD 215VIEW DEAL
1 Oct
Frontier Airlines
06:25MDW
16:18IAD
1 StopUSD 218VIEW DEAL
2 Oct
Frontier Airlines
06:25MDW
16:18IAD
1 StopUSD 199VIEW DEAL
3 Oct
Frontier Airlines
06:25MDW
19:09IAD
2 StopUSD 375VIEW DEAL
4 Oct
Frontier Airlines
06:25MDW
16:18IAD
1 StopUSD 179VIEW DEAL
4 Oct
Southwest Airlines
05:10MDW
19:09IAD
2 StopUSD 572VIEW DEAL
5 Oct
Frontier Airlines
06:50MDW
19:09IAD
2 StopUSD 377VIEW DEAL
6 Oct
Frontier Airlines
06:25MDW
16:18IAD
1 StopUSD 206VIEW DEAL
7 Oct
Frontier Airlines
06:25MDW
16:18IAD
1 StopUSD 181VIEW DEAL
8 Oct
Allegiant Air
09:18MDW
19:07IAD
1 StopUSD 137VIEW DEAL

Chicago to Washington monthly flight fare trend

Sep
from USD 215
Oct
from USD 124
Nov
from USD 111
Dec
from USD 218
Jan
No flights
Feb
from USD 226

Airport Details

Origin

Chicago

Chicago Midway International Airport (MDW)

Chicago, MDW
Zone

Chicago

Elev

620 ft

Destination

Washington

Washington Dulles International Airport (IAD)

Dulles, IAD
Zone

New York

Elev

312 ft

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