Chicago to Washington

MDWIAD

Fly from Chicago to Washington starting at USD 131 with Frontier Airlines.Best fare available on Aug 1, 2026.Limited seats. Better plans. Book before it's gone.

Chicago to Washington cheapest flights this week

1 Aug
Frontier Airlines
12:11MDW
21:52IAD
1 StopUSD 131VIEW DEAL
1 Aug
Frontier Airlines
06:05MDW
15:34IAD
1 StopUSD 158VIEW DEAL
2 Aug
Frontier Airlines
06:05MDW
15:40IAD
1 StopUSD 193VIEW DEAL
3 Aug
Frontier Airlines
06:05MDW
16:14IAD
1 StopUSD 197VIEW DEAL
4 Aug
Frontier Airlines
06:05MDW
15:40IAD
1 StopUSD 156VIEW DEAL
4 Aug
Frontier Airlines
12:11MDW
21:52IAD
1 StopUSD 156VIEW DEAL
5 Aug
Frontier Airlines
11:06MDW
16:14IAD
1 StopUSD 150VIEW DEAL
6 Aug
Frontier Airlines
06:05MDW
15:40IAD
1 StopUSD 174VIEW DEAL
7 Aug
Frontier Airlines
11:06MDW
16:14IAD
1 StopUSD 169VIEW DEAL
8 Aug
Frontier Airlines
06:05MDW
15:34IAD
1 StopUSD 155VIEW DEAL

Chicago to Washington monthly flight fare trend

Aug
from USD 94
Sep
from USD 98
Oct
from USD 137
Nov
No flights
Dec
No flights
Jan
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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