Chicago to Washington

MDWIAD

Fly from Chicago to Washington starting at USD 142 with Frontier Airlines.Best fare available on Sep 17, 2026.Limited seats. Better plans. Book before it's gone.

Chicago to Washington cheapest flights this week

11 Sept
Frontier Airlines
06:25MDW
19:09IAD
2 StopUSD 310VIEW DEAL
12 Sept
Frontier Airlines
06:25MDW
19:09IAD
2 StopUSD 312VIEW DEAL
14 Sept
Frontier Airlines
06:25MDW
16:18IAD
1 StopUSD 186VIEW DEAL
15 Sept
Frontier Airlines
06:25MDW
16:18IAD
1 StopUSD 151VIEW DEAL
16 Sept
Frontier Airlines
06:25MDW
16:18IAD
1 StopUSD 152VIEW DEAL
17 Sept
Frontier Airlines
06:25MDW
16:18IAD
1 StopUSD 142VIEW DEAL
18 Sept
Frontier Airlines
06:25MDW
16:18IAD
1 StopUSD 151VIEW DEAL
19 Sept
Frontier Airlines
06:25MDW
16:18IAD
1 StopUSD 151VIEW DEAL
20 Sept
Frontier Airlines
06:25MDW
23:10IAD
1 StopUSD 318VIEW DEAL
21 Sept
Frontier Airlines
06:25MDW
16:18IAD
1 StopUSD 163VIEW DEAL

Chicago to Washington monthly flight fare trend

Sep
from USD 85
Oct
from USD 87
Nov
from USD 240
Dec
from USD 218
Jan
No flights
Feb
No flights

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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