
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $212 (Booking.com) |
One-way from | $104 (Southwest) |
Popular in | February |
Cheapest in | August |
Average price | $304 |
Good round-trip deal | $313 or less |
Good one-way deal | $227 or less |
Fly from
Fly to
Route
Depart
Return
ChicagoWashington, D.C.
ORD - DCA
ORDDCA
Chicago O'Hare Intl
Mon 5/11
5:19 pm-10:59 pm
1 stop4h 40m
Washington, D.C. Reagan-National
Tue 5/12
6:05 am-8:45 am
1 stop3h 40m
ChicagoWashington, D.C.
ORD - DCA
ORDDCA
Chicago O'Hare Intl
Tue 5/5
8:00 am-10:59 am
Nonstop1h 59m
Washington, D.C. Reagan-National
Wed 5/6
7:30 am-8:47 am
Nonstop2h 17m
ChicagoWashington, D.C.
ORD - DCA
ORDDCA
Chicago O'Hare Intl
Wed 5/13
2:40 pm-9:55 pm
1 stop6h 15m
Washington, D.C. Reagan-National
Wed 5/20
1:00 pm-6:25 pm
1 stop6h 25m
ChicagoWashington, D.C.
ORD - DCA
ORDDCA
Chicago O'Hare Intl
Thu 6/4
2:59 pm-10:44 pm
1 stop6h 45m
Washington, D.C. Reagan-National
Tue 6/9
6:00 am-11:31 am
1 stop6h 31m
ChicagoWashington, D.C.
ORD - DCA
ORDDCA
Chicago O'Hare Intl
Thu 4/23
10:45 am-6:52 pm
1 stop7h 07m
Washington, D.C. Reagan-National
Mon 4/27
6:00 am-10:19 am
1 stop5h 19m
ChicagoWashington, D.C.
ORD - DCA
ORDDCA
Chicago O'Hare Intl
Thu 4/30
9:35 am-4:20 pm
1 stop5h 45m
Washington, D.C. Reagan-National
Tue 5/5
9:00 am-1:14 pm
1 stop5h 14m
ChicagoWashington, D.C.
ORD - DCA
ORDDCA
Chicago O'Hare Intl
Thu 6/4
8:00 am-11:01 am
Nonstop2h 01m
Washington, D.C. Reagan-National
Sun 6/7
8:25 am-9:43 am
Nonstop2h 18m
ChicagoWashington, D.C.
ORD - DCA
ORDDCA
Chicago O'Hare Intl
Thu 5/7
2:40 pm-11:00 pm
2 stops7h 20m
Washington, D.C. Reagan-National
Mon 5/11
6:05 am-12:50 pm
1 stop7h 45m
ChicagoWashington, D.C.
ORD - DCA
ORDDCA
Chicago O'Hare Intl
Fri 6/26
9:00 am-11:59 am
Nonstop1h 59m
Washington, D.C. Reagan-National
Mon 6/29
6:30 am-7:46 am
Nonstop2h 16m
ChicagoWashington, D.C.
ORD - DCA
ORDDCA
Chicago O'Hare Intl
Thu 4/30
2:40 pm-11:00 pm
2 stops7h 20m
Washington, D.C. Reagan-National
Fri 5/1
4:25 pm-9:55 pm
1 stop6h 30m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
The best time to book flights from Chicago O'Hare Intl Airport to Washington, D.C. Reagan-National Airport is 74 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Currently, October is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Washington, D.C. Reagan-National Airport (average of $143). Flying from Chicago O'Hare Intl Airport to Washington, D.C. Reagan-National Airport in January is currently the most expensive (average of $234). 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 Chicago O'Hare Intl Airport to Washington, D.C. Reagan-National Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 14% versus a flight in the afternoon.
Travelers seeking maximum savings on their Chicago O'Hare Intl Airport to Washington, D.C. Reagan-National Airport flight should consider departing on Wednesday evenings when fares are most often at their lowest. Saturday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
About 23% of weekly flights between Chicago and Washington, D.C. have experienced delays in the past year, with the average delay time being 129 minutes.
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.
Tuesday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.
Over the last year, United Airlines have had the lowest number of delays on this route, with just 21% of flights being delayed.
Entertainment
Boarding
Crew
Food
Comfort
Overall
Reviews
Dane,Jan 2026
TYS - IAD
Entertainment
Boarding
Crew
Food
Comfort
Overall
Reviews
Dane,Jan 2026
TYS - IAD
Entertainment
Boarding
Crew
Food
Comfort
Overall
Reviews
Dane,Jan 2026
TYS - IAD
Entertainment
Boarding
Crew
Food
Comfort
Overall
Reviews
Dane,Jan 2026
TYS - IAD
Entertainment
Boarding
Crew
Food
Comfort
Overall
Reviews
Dane,Jan 2026
TYS - IAD
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$85 | Average$223 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$141 | Average$254 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$168 | Average$292 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$207 | Average$359 | FlexibilityNo cancel fee | On-time69% |