Round-trip from | $143 (United Airlines) |
---|---|
One-way from | $89 (Mytrip) |
Popular in | April |
Cheapest in | September |
Average price | $263 |
Good round-trip deal | $301 or less |
Good one-way deal | $168 or less |
Fly from
Fly to
Route
Depart
Return
Price
Washington, D.C.Chicago
IAD - ORD
IADORD
Washington, D.C. Dulles Intl
Thu 9/11
10:10 pm-11:15 pm
Nonstop2h 05m
Chicago O'Hare Intl
Sun 9/14
8:50 am-11:55 am
Nonstop2h 05m
Washington, D.C.Chicago
IAD - ORD
IADORD
Washington, D.C. Dulles Intl
Thu 8/21
6:10 am-10:39 am
1 stop5h 29m
Chicago O'Hare Intl
Sat 8/23
6:00 am-4:30 pm
1 stop9h 30m
Washington, D.C.Chicago
IAD - MDW
IADMDW
Washington, D.C. Dulles Intl
Thu 8/21
5:18 pm-11:08 pm
1 stop6h 50m
Chicago Midway
Mon 8/25
6:15 am-4:30 pm
1 stop9h 15m
Washington, D.C.Chicago
IAD - MDW
IADMDW
Washington, D.C. Dulles Intl
Mon 8/18
1:22 pm-6:17 pm
1 stop5h 55m
Chicago Midway
Mon 8/25
9:32 am-3:23 pm
1 stop4h 51m
Washington, D.C.St. Louis
IAD - STL
IADSTL
Washington, D.C. Dulles Intl
Sat 8/23
6:10 am-1:33 pm
1 stop8h 23m
Lambert-St Louis
Sun 8/24
10:17 am-9:27 am
1 stop22h 10m
Washington, D.C.St. Louis
IAD - STL
IADSTL
Washington, D.C. Dulles Intl
Sat 8/23
8:40 am-10:02 am
Nonstop2h 22m
Lambert-St Louis
Mon 8/25
9:17 am-3:52 pm
1 stop5h 35m
Washington, D.C.St. Louis
IAD - STL
IADSTL
Washington, D.C. Dulles Intl
Tue 8/12
6:00 am-9:57 am
1 stop4h 57m
Lambert-St Louis
Fri 8/15
6:00 pm-10:55 pm
1 stop3h 55m
Washington, D.C.Chicago
IAD - ORD
IADORD
Washington, D.C. Dulles Intl
Tue 8/5
5:23 pm-8:15 pm
1 stop3h 52m
Chicago O'Hare Intl
Wed 8/13
7:15 am-11:32 am
1 stop3h 17m
Washington, D.C.Chicago
IAD - MDW
IADMDW
Washington, D.C. Dulles Intl
Tue 8/5
6:00 am-8:44 am
1 stop3h 44m
Chicago Midway
Wed 8/13
6:04 am-11:44 am
1 stop4h 40m
Washington, D.C.Chicago
IAD - ORD
IADORD
Washington, D.C. Dulles Intl
Thu 8/21
4:56 pm-4:10 pm
2 stops24h 14m
Chicago O'Hare Intl
Sat 8/23
11:36 am-10:44 am
2 stops22h 08m
Currently, August is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Illinois (average of $245). Flying from Washington, D.C. Dulles Intl Airport to Illinois in March is currently the most expensive (average of $321). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
When flying from Washington, D.C. Dulles Intl Airport to Illinois, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
The most flights from IAD to USIL are scheduled on a Thursday (30 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (20 on average).
Comfort
Food
Crew
Boarding
Overall
Entertainment
Reviews
John,May 2025
PVD - BNA
Comfort
Food
Crew
Boarding
Overall
Entertainment
Reviews
John,May 2025
PVD - BNA
Comfort
Food
Crew
Boarding
Overall
Entertainment
Reviews
John,May 2025
PVD - BNA
Comfort
Food
Crew
Boarding
Overall
Entertainment
Reviews
John,May 2025
PVD - BNA
Comfort
Food
Crew
Boarding
Overall
Entertainment
Reviews
John,May 2025
PVD - BNA
Comfort
Food
Crew
Boarding
Overall
Entertainment
Reviews
John,May 2025
PVD - BNA
Airline | Cheapest | Average | Flexibility | On-time |
---|---|---|---|---|
Cheapest$87 | Average$191 | FlexibilityNo cancel fee | On-time62% | |
Cheapest$161 | Average$414 | FlexibilityNo cancel fee | On-time69% | |
Cheapest$176 | Average$368 | FlexibilityNo cancel fee | On-timeN/A | |
Cheapest$304 | Average$407 | FlexibilityNo cancel fee | On-time71% |