BA's Executive Club offers good value; redeem Avios for upgrades, especially from premium economy.
BA charges for seat selection; free for oneworld Sapphire or Emerald members.

Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $161 (Kiwi.com) |
One-way from | $76 (Kiwi.com) |
Popular in | November |
Cheapest in | August |
Average price | $354 |
Good round-trip deal | $272 or less |
Good one-way deal | $180 or less |
Fly from
Fly to
Route
Depart
Return
Price
ChicagoWashington, D.C.
ORD - DCA
ORDDCA
Chicago O'Hare Intl
Fri 4/10
1:45 pm-10:57 pm
1 stop8h 12m
Washington, D.C. Reagan-National
Mon 4/13
6:05 am-12:50 pm
1 stop7h 45m
ChicagoWashington, D.C.
ORD - DCA
ORDDCA
Chicago O'Hare Intl
Tue 3/10
10:00 am-4:03 pm
1 stop5h 03m
Washington, D.C. Reagan-National
Tue 4/28
6:05 am-12:50 pm
1 stop7h 45m
ChicagoWashington, D.C.
ORD - DCA
ORDDCA
Chicago O'Hare Intl
Thu 2/26
10:00 am-5:49 pm
1 stop6h 49m
Washington, D.C. Reagan-National
Sun 3/1
6:00 am-11:48 am
1 stop6h 48m
ChicagoWashington, D.C.
ORD - DCA
ORDDCA
Chicago O'Hare Intl
Fri 4/24
1:45 pm-10:57 pm
1 stop8h 12m
Washington, D.C. Reagan-National
Fri 5/1
6:30 am-2:20 pm
1 stop8h 50m
ChicagoWashington, D.C.
ORD - DCA
ORDDCA
Chicago O'Hare Intl
Wed 4/15
1:45 pm-10:57 pm
1 stop8h 12m
Washington, D.C. Reagan-National
Sat 4/18
6:05 am-12:50 pm
1 stop7h 45m
ChicagoWashington, D.C.
ORD - DCA
ORDDCA
Chicago O'Hare Intl
Fri 2/6
7:45 am-2:34 pm
1 stop5h 49m
Washington, D.C. Reagan-National
Mon 2/9
10:00 am-5:44 pm
1 stop8h 44m
ChicagoWashington, D.C.
ORD - DCA
ORDDCA
Chicago O'Hare Intl
Fri 1/9
7:45 am-2:34 pm
1 stop5h 49m
Washington, D.C. Reagan-National
Mon 1/12
1:00 pm-5:44 pm
1 stop5h 44m
ChicagoWashington, D.C.
ORD - DCA
ORDDCA
Chicago O'Hare Intl
Sat 1/24
7:45 am-2:34 pm
1 stop5h 49m
Washington, D.C. Reagan-National
Tue 1/27
10:00 am-5:44 pm
1 stop8h 44m
ChicagoWashington, D.C.
ORD - DCA
ORDDCA
Chicago O'Hare Intl
Wed 3/11
10:00 am-5:50 pm
1 stop6h 50m
Washington, D.C. Reagan-National
Mon 3/16
10:05 am-5:24 pm
1 stop8h 19m
ChicagoWashington, D.C.
ORD - DCA
ORDDCA
Chicago O'Hare Intl
Mon 2/2
7:45 am-2:34 pm
1 stop5h 49m
Washington, D.C. Reagan-National
Tue 2/3
1:00 pm-5:44 pm
1 stop5h 44m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 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 November is currently the most expensive (average of $212). 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 12% 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. Tuesday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
About 20% 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 18% of flights being delayed.
Entertainment
Food
Boarding
Crew
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Reviews
Jim,Nov 2025
AVL - ATL
Entertainment
Food
Boarding
Crew
Comfort
Overall
Reviews
Jim,Nov 2025
AVL - ATL
Entertainment
Food
Boarding
Crew
Comfort
Overall
Reviews
Jim,Nov 2025
AVL - ATL
Entertainment
Food
Boarding
Crew
Comfort
Overall
Reviews
Jim,Nov 2025
AVL - ATL
Entertainment
Food
Boarding
Crew
Comfort
Overall
Reviews
Jim,Nov 2025
AVL - ATL
Entertainment
Food
Boarding
Crew
Comfort
Overall
Reviews
Jim,Nov 2025
AVL - ATL
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$85 | Average$168 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$152 | Average$268 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$166 | Average$248 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$170 | Average$274 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$194 | Average$311 | FlexibilityNo cancel fee | On-time69% |