Chicago to Washington

ORDIAD

Fly from Chicago to Washington starting at USD 147 with United Airlines.Best fare available on Jul 28, 2026.Limited seats. Better plans. Book before it's gone.

Chicago to Washington cheapest flights this week

28 Jul
United Airlines
21:40ORD
23:45IAD
DirectUSD 147VIEW DEAL
31 Jul
Frontier Airlines
13:50ORD
21:55IAD
1 StopUSD 155VIEW DEAL
1 Aug
Frontier Airlines
13:50ORD
21:52IAD
1 StopUSD 182VIEW DEAL
2 Aug
United Airlines
06:29ORD
08:23IAD
DirectUSD 224VIEW DEAL
2 Aug
United Airlines
10:59ORD
13:04IAD
DirectUSD 271VIEW DEAL
3 Aug
Frontier Airlines
17:13ORD
11:47IAD
1 StopUSD 168VIEW DEAL
3 Aug
Frontier Airlines
07:05ORD
16:14IAD
1 StopUSD 180VIEW DEAL
4 Aug
Frontier Airlines
13:50ORD
21:52IAD
1 StopUSD 150VIEW DEAL
5 Aug
Frontier Airlines
13:50ORD
21:52IAD
1 StopUSD 150VIEW DEAL
6 Aug
Frontier Airlines
13:50ORD
21:52IAD
1 StopUSD 163VIEW DEAL

Chicago to Washington monthly flight fare trend

Jul
from USD 147
Aug
from USD 88
Sep
from USD 90
Oct
from USD 143
Nov
No flights
Dec
No flights

Airport Details

Origin

Chicago

Chicago O'Hare International Airport (ORD)

Chicago, ORD
Zone

Chicago

Elev

680 ft

Destination

Washington

Washington Dulles International Airport (IAD)

Dulles, IAD
Zone

New York

Elev

312 ft

Flights from Chicago

Flights from Chicago to AtlantaFlights from Chicago to AustinFlights from Chicago to BostonFlights from Chicago to CharlotteFlights from Chicago to DenverFlights from Chicago to DallasFlights from Chicago to DetroitFlights from Chicago to NewarkFlights from Chicago to Fort LauderdaleFlights from Chicago to Honolulu