Washington to Chicago

IADORD

Fly from Washington to Chicago starting at USD 88 with United Airlines.Best fare available on Aug 11, 2026.Limited seats. Better plans. Book before it's gone.

Washington to Chicago cheapest flights this week

9 Jul
United Airlines
22:20IAD
00:31ORD
DirectUSD 130VIEW DEAL
10 Jul
United Airlines
22:20IAD
00:31ORD
DirectUSD 134VIEW DEAL
12 Jul
United Airlines
22:20IAD
00:31ORD
DirectUSD 256VIEW DEAL
17 Jul
Frontier Airlines
20:33IAD
08:53ORD
1 StopUSD 159VIEW DEAL
30 Jul
Frontier Airlines
17:40IAD
13:15ORD
1 StopUSD 149VIEW DEAL
31 Jul
Frontier Airlines
20:33IAD
08:53ORD
1 StopUSD 143VIEW DEAL
3 Aug
Frontier Airlines
18:09IAD
13:15ORD
1 StopUSD 128VIEW DEAL
6 Aug
United Airlines
15:39IAD
18:02ORD
DirectUSD 124VIEW DEAL
10 Aug
Frontier Airlines
20:33IAD
09:02ORD
1 StopUSD 137VIEW DEAL
11 Aug
United Airlines
06:15IAD
08:30ORD
DirectUSD 88VIEW DEAL

Washington to Chicago monthly flight fare trend

Jul
from USD 130
Aug
from USD 88
Sep
No flights
Oct
from USD 151
Nov
No flights
Dec
No flights

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

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