Washington to Chicago

IADORD

Fly from Washington to Chicago starting at USD 89 with Frontier Airlines.Best fare available on Sep 17, 2026.Limited seats. Better plans. Book before it's gone.

Washington to Chicago cheapest flights this week

11 Sept
Frontier Airlines
12:30IAD
20:35ORD
1 StopUSD 130VIEW DEAL
11 Sept
Frontier Airlines
07:50IAD
19:23ORD
1 StopUSD 151VIEW DEAL
12 Sept
Frontier Airlines
12:30IAD
20:41ORD
1 StopUSD 157VIEW DEAL
13 Sept
Frontier Airlines
21:04IAD
10:20ORD
1 StopUSD 116VIEW DEAL
13 Sept
Frontier Airlines
07:50IAD
19:23ORD
1 StopUSD 151VIEW DEAL
15 Sept
Frontier Airlines
18:13IAD
16:20ORD
1 StopUSD 91VIEW DEAL
15 Sept
Frontier Airlines
07:50IAD
19:23ORD
1 StopUSD 152VIEW DEAL
16 Sept
Frontier Airlines
07:50IAD
19:23ORD
1 StopUSD 152VIEW DEAL
17 Sept
Frontier Airlines
11:12IAD
23:59ORD
1 StopUSD 89VIEW DEAL
17 Sept
Frontier Airlines
12:30IAD
20:35ORD
1 StopUSD 137VIEW DEAL

Washington to Chicago monthly flight fare trend

Sep
from USD 89
Oct
from USD 82
Nov
from USD 121
Dec
from USD 131
Jan
from USD 166
Feb
from USD 181

Airport Details

Origin

Washington

Washington Dulles International Airport (IAD)

Dulles, IAD
Zone

New York

Elev

312 ft

Destination

Chicago

Chicago O'Hare International Airport (ORD)

Chicago, ORD
Zone

Chicago

Elev

680 ft

Flights from Washington

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