Washington to Chicago

IADORD

Fly from Washington to Chicago starting at USD 92 with United Airlines.Best fare available on Aug 26, 2026.Limited seats. Better plans. Book before it's gone.

Washington to Chicago cheapest flights this week

20 Aug
United Airlines
22:27IAD
00:40ORD
DirectUSD 122VIEW DEAL
20 Aug
United Airlines
13:10IAD
15:27ORD
DirectUSD 102VIEW DEAL
21 Aug
Frontier Airlines
16:52IAD
00:08ORD
1 StopUSD 150VIEW DEAL
21 Aug
United Airlines
13:10IAD
15:27ORD
DirectUSD 135VIEW DEAL
22 Aug
United Airlines
08:20IAD
10:38ORD
DirectUSD 133VIEW DEAL
23 Aug
Frontier Airlines
16:52IAD
00:08ORD
1 StopUSD 170VIEW DEAL
24 Aug
Frontier Airlines
16:52IAD
00:08ORD
1 StopUSD 170VIEW DEAL
25 Aug
Frontier Airlines
20:39IAD
08:53ORD
1 StopUSD 156VIEW DEAL
26 Aug
United Airlines
06:15IAD
08:30ORD
DirectUSD 92VIEW DEAL
26 Aug
United Airlines
22:27IAD
00:40ORD
DirectUSD 100VIEW DEAL

Washington to Chicago monthly flight fare trend

Aug
from USD 90
Sep
from USD 75
Oct
from USD 84
Nov
from USD 121
Dec
from USD 131
Jan
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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