
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $243 (American Airlines) |
One-way from | $99 (United Airlines) |
Popular in | March |
Cheapest in | August |
Average price | $365 |
Good round-trip deal | $339 or less |
Good one-way deal | $178 or less |
Fly from
Fly to
Route
Depart
Return
Washington, D.C.Chicago
DCA - ORD
DCAORD
Washington, D.C. Reagan-National
Tue 7/7
10:30 am-11:48 am
Nonstop2h 18m
Chicago O'Hare Intl
Fri 7/10
7:00 am-9:59 am
Nonstop1h 59m
Washington, D.C.Chicago
DCA - ORD
DCAORD
Washington, D.C. Reagan-National
Wed 10/14
6:00 am-10:28 am
1 stop5h 28m
Chicago O'Hare Intl
Thu 10/15
7:00 am-1:09 pm
1 stop5h 09m
Washington, D.C.Chicago
DCA - ORD
DCAORD
Washington, D.C. Reagan-National
Sat 10/10
8:00 am-2:13 pm
1 stop7h 13m
Chicago O'Hare Intl
Tue 10/13
1:35 pm-6:59 pm
1 stop4h 24m
Washington, D.C.Chicago
DCA - ORD
DCAORD
Washington, D.C. Reagan-National
Wed 7/1
5:29 pm-8:31 pm
1 stop4h 02m
Chicago O'Hare Intl
Wed 7/15
5:30 am-12:42 pm
1 stop6h 12m
Washington, D.C.Chicago
DCA - ORD
DCAORD
Washington, D.C. Reagan-National
Tue 7/21
7:15 am-8:28 am
Nonstop2h 13m
Chicago O'Hare Intl
Tue 7/28
9:00 am-11:58 am
Nonstop1h 58m
Washington, D.C.Chicago
DCA - ORD
DCAORD
Washington, D.C. Reagan-National
Fri 9/18
6:10 pm-7:33 pm
Nonstop2h 23m
Chicago O'Hare Intl
Mon 9/21
6:00 am-8:55 am
Nonstop1h 55m
Washington, D.C.Chicago
DCA - ORD
DCAORD
Washington, D.C. Reagan-National
Thu 7/23
6:30 am-7:46 am
Nonstop2h 16m
Chicago O'Hare Intl
Fri 7/24
9:00 am-11:58 am
Nonstop1h 58m
Washington, D.C.Chicago
DCA - ORD
DCAORD
Washington, D.C. Reagan-National
Fri 7/24
5:05 pm-6:30 pm
Nonstop2h 25m
Chicago O'Hare Intl
Mon 7/27
8:00 am-11:01 am
Nonstop2h 01m
Washington, D.C.Chicago
DCA - ORD
DCAORD
Washington, D.C. Reagan-National
Thu 10/8
6:30 am-7:44 am
Nonstop2h 14m
Chicago O'Hare Intl
Mon 10/12
6:00 am-8:55 am
Nonstop1h 55m
Washington, D.C.Chicago
DCA - ORD
DCAORD
Washington, D.C. Reagan-National
Mon 6/29
7:35 pm-11:59 pm
1 stop5h 24m
Chicago O'Hare Intl
Tue 6/30
5:22 pm-10:59 pm
1 stop4h 37m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
The price you pay for your flight from Washington, D.C. Reagan-National Airport to Chicago O'Hare Intl Airport may vary depending on when you book. For the best chance of a lower fare, look to book 41 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Currently, August is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Chicago O'Hare Intl Airport (average of $254). Flying from Washington, D.C. Reagan-National Airport to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $429). 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.
It’s typically best to fly out from Washington, D.C. Reagan-National Airport to Chicago O'Hare Intl Airport in the evening. Doing so could potentially save you 10% on the flight price compared to flying at noon, which is usually more expensive.
Travelers seeking maximum savings on their Washington, D.C. Reagan-National Airport to Chicago O'Hare Intl Airport flight should consider departing on Friday evenings when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
Overall
Boarding
Comfort
Crew
Entertainment
Food
Reviews
Dane,Jan 2026
IAD - TYS
Overall
Boarding
Comfort
Crew
Entertainment
Food
Reviews
Dane,Jan 2026
IAD - TYS
Overall
Boarding
Comfort
Crew
Entertainment
Food
Reviews
Dane,Jan 2026
IAD - TYS
Overall
Boarding
Comfort
Crew
Entertainment
Food
Reviews
Dane,Jan 2026
IAD - TYS
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$29 | Average$130 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$175 | Average$336 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$219 | Average$376 | FlexibilityNo cancel fee | On-time69% |