Flights from Washington DC to Chicago O'Hare

Our cheapest offers for flights from Washington DC to Chicago O'Hare

Here you can compare cheap flights from Washington DC (IAD) to Chicago O'Hare (ORD) for one-way or return trips. The following offers were searched for and found on idealo during the last few days. Or start your own flight search to Chicago O'Hare. Prices and availability may change at any time.

Outbound Return Airlines Shop Baggage Price
Washington DC
Chicago O'Hare
Outbound
10/20/25
1 Stopover (ATL)
F94707, F91595
10h 30min
Return
11/13/25
1 Stopover (MCO)
F92792, F94812
12h 33min
Frontier Airlines
$187
Best option
Washington DC
Chicago O'Hare
Outbound
11/16/25
direct
UA1738
02h 08min
Return
11/18/25
direct
UA1023
01h 49min
United Airlines ?
$192
Washington DC
Chicago O'Hare
Pay attention to transfer at connecting flight
Outbound
09/22/25
2 Stopovers (AVL, FLL)
G40242, G40491, NK0003
34h 51min
Return
10/15/25
3 Stopovers (FLL, PIT, LNS)
NK0867, NK0228, 9X0152, 9X0245
18h 57min
Allegiant Air, Spirit Airlines
$352
Washington DC
Chicago O'Hare
Outbound
10/20/25
1 Stopover (ATL)
F94707, F91595
10h 30min
Return
11/13/25
1 Stopover (MCO)
F92792, F94812
12h 33min
Frontier Airlines
$198
Washington DC
Chicago O'Hare
Outbound
11/16/25
direct
UA1775
02h 16min
Return
11/18/25
direct
UA2677
02h 03min
United Airlines ?
$202
Washington DC
Chicago O'Hare
Outbound
09/04/25
direct
UA2401
02h 16min
Return
09/28/25
direct
UA1046
02h 01min
United Airlines ?
$207
Washington DC
Chicago O'Hare
Outbound
06/25/25
1 Stopover (ATL)
F91081, F93397
08h 18min
Return
07/19/25
1 Stopover (DTW)
DL2358, DL5055
04h 14min
Frontier Airlines ?
$211
Washington DC
Chicago O'Hare
Outbound
09/09/25
1 Stopover (ATL)
DL2902, DL1199
05h 03min
Return
10/08/25
1 Stopover (DTW)
DL1520, DL4748
06h 36min
Delta Air Lines ?
$214
Washington DC
Chicago O'Hare
Outbound
09/04/25
direct
UA2401
02h 16min
Return
09/28/25
direct
UA1030
02h 06min
United Airlines
$225
Washington DC
Chicago O'Hare
Outbound
08/23/25
1 Stopover (DEN)
WN3041, WN1195
07h 05min
Return
08/30/25
1 Stopover (DEN)
WN3686, WN1869
08h 00min
Southwest Airlines ?
$253
Prices based on recent searches, subject to last-minute changes
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Important flight information

Flight information: Washington DC - Chicago O'Hare

Roundtrip from $186.77
Distance 946 km
Departure airport Airport Washington DC - Dulles International Airport, DC (IAD)
Arrival airport Airport Chicago O'Hare International Airport, IL (ORD)
Destination country Flights to United States
Alternative routes to United States
Alternative flights to Chicago O'Hare
Flight destinations with a similar price
Flight destinations with a similar price