
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $228 (American Airlines) |
One-way from | $109 (Delta) |
Popular in | February |
Cheapest in | August |
Average price | $356 |
Good round-trip deal | $316 or less |
Good one-way deal | $145 or less |
Fly from
Fly to
Route
Depart
Return
ChicagoWashington, D.C.
ORD - DCA
ORDDCA
Chicago O'Hare Intl
Wed 8/12
7:00 am-9:59 am
Nonstop1h 59m
Washington, D.C. Reagan-National
Fri 8/14
2:00 pm-3:16 pm
Nonstop2h 16m
ChicagoWashington, D.C.
ORD - DCA
ORDDCA
Chicago O'Hare Intl
Thu 7/9
3:22 pm-9:49 pm
1 stop5h 27m
Washington, D.C. Reagan-National
Mon 7/13
6:00 am-10:37 am
1 stop5h 37m
ChicagoWashington, D.C.
ORD - DCA
ORDDCA
Chicago O'Hare Intl
Thu 5/28
2:00 pm-6:59 pm
1 stop3h 59m
Washington, D.C. Reagan-National
Tue 6/2
6:15 pm-10:27 pm
1 stop5h 12m
ChicagoWashington, D.C.
ORD - DCA
ORDDCA
Chicago O'Hare Intl
Tue 6/2
9:00 am-11:59 am
Nonstop1h 59m
Washington, D.C. Reagan-National
Wed 6/3
1:00 pm-2:18 pm
Nonstop2h 18m
ChicagoWashington, D.C.
ORD - DCA
ORDDCA
Chicago O'Hare Intl
Fri 5/29
5:41 pm-11:28 pm
1 stop4h 47m
Washington, D.C. Reagan-National
Mon 6/1
6:00 am-10:16 am
1 stop5h 16m
ChicagoWashington, D.C.
ORD - DCA
ORDDCA
Chicago O'Hare Intl
Thu 5/28
9:36 am-4:20 pm
1 stop5h 44m
Washington, D.C. Reagan-National
Sat 6/6
5:00 pm-9:56 pm
1 stop5h 56m
ChicagoWashington, D.C.
ORD - DCA
ORDDCA
Chicago O'Hare Intl
Tue 6/23
5:10 am-10:50 am
1 stop4h 40m
Washington, D.C. Reagan-National
Wed 6/24
10:10 pm-11:30 pm
Nonstop2h 20m
ChicagoWashington, D.C.
ORD - DCA
ORDDCA
Chicago O'Hare Intl
Tue 6/16
9:53 am-12:55 pm
Nonstop2h 02m
Washington, D.C. Reagan-National
Fri 6/19
5:26 pm-9:32 pm
1 stop5h 06m
ChicagoWashington, D.C.
ORD - DCA
ORDDCA
Chicago O'Hare Intl
Fri 6/12
1:46 pm-9:46 pm
1 stop7h 00m
Washington, D.C. Reagan-National
Mon 6/22
7:30 pm-11:59 pm
1 stop5h 29m
ChicagoWashington, D.C.
ORD - DCA
ORDDCA
Chicago O'Hare Intl
Mon 6/29
2:07 pm-6:59 pm
1 stop3h 52m
Washington, D.C. Reagan-National
Thu 7/2
5:40 pm-10:48 pm
1 stop6h 08m
| 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 | |
| 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 90 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, August 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 $231). Flying from Chicago O'Hare Intl Airport to Washington, D.C. Reagan-National Airport in February is currently the most expensive (average of $468). 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 17% 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 131 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 22% of flights being delayed.
Comfort
Entertainment
Crew
Food
Boarding
Overall
Reviews
Dane,Jan 2026
TYS - IAD
Comfort
Entertainment
Crew
Food
Boarding
Overall
Reviews
Dane,Jan 2026
TYS - IAD
Comfort
Entertainment
Crew
Food
Boarding
Overall
Reviews
Dane,Jan 2026
TYS - IAD
Comfort
Entertainment
Crew
Food
Boarding
Overall
Reviews
Dane,Jan 2026
TYS - IAD
Comfort
Entertainment
Crew
Food
Boarding
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$166 | Average$299 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$221 | Average$378 | FlexibilityNo cancel fee | On-time69% |