Chicago to Washington

MDWIAD

Fly from Chicago to Washington starting at USD 140 with Frontier Airlines.Best fare available on Jul 22, 2026.Limited seats. Better plans. Book before it's gone.

Chicago to Washington cheapest flights this week

10 Jul
Frontier Airlines
12:11MDW
21:55IAD
1 StopUSD 197VIEW DEAL
10 Jul
Frontier Airlines
06:05MDW
16:14IAD
1 StopUSD 174VIEW DEAL
11 Jul
Frontier Airlines
06:05MDW
15:34IAD
1 StopUSD 169VIEW DEAL
11 Jul
Frontier Airlines
12:11MDW
21:55IAD
1 StopUSD 171VIEW DEAL
12 Jul
Frontier Airlines
06:05MDW
15:40IAD
1 StopUSD 190VIEW DEAL
12 Jul
Allegiant Air
14:48MDW
13:26IAD
1 StopUSD 183VIEW DEAL
13 Jul
Frontier Airlines
06:05MDW
16:14IAD
1 StopUSD 190VIEW DEAL
13 Jul
Frontier Airlines
12:11MDW
21:55IAD
1 StopUSD 199VIEW DEAL
17 Jul
Frontier Airlines
06:05MDW
16:14IAD
1 StopUSD 157VIEW DEAL
22 Jul
Frontier Airlines
06:05MDW
16:14IAD
1 StopUSD 140VIEW DEAL

Chicago to Washington monthly flight fare trend

Jul
from USD 131
Aug
from USD 98
Sep
from USD 98
Oct
from USD 137
Nov
No flights
Dec
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

Flights from Chicago

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