BA's World Traveller Plus offers extra seat width and legroom in a dedicated cabin.
BA's Executive Club offers free seat selection for oneworld Sapphire or Emerald members.

Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $142 (United Airlines) |
One-way from | $75 (CheapOair) |
Popular in | October |
Cheapest in | August |
Average price | $345 |
Good round-trip deal | $263 or less |
Good one-way deal | $158 or less |
Fly from
Fly to
Route
Depart
Return
Price
ChicagoWashington, D.C.
ORD - DCA
ORDDCA
Chicago O'Hare Intl
Sun 12/7
7:00 am-9:53 am
Nonstop1h 53m
Washington, D.C. Reagan-National
Sat 12/13
1:00 pm-2:12 pm
Nonstop2h 12m
ChicagoWashington, D.C.
ORD - DCA
ORDDCA
Chicago O'Hare Intl
Sat 11/8
6:45 am-2:36 pm
1 stop6h 51m
Washington, D.C. Reagan-National
Tue 11/11
4:55 pm-8:52 pm
1 stop4h 57m
ChicagoWashington, D.C.
ORD - DCA
ORDDCA
Chicago O'Hare Intl
Thu 11/13
6:45 am-2:36 pm
1 stop6h 51m
Washington, D.C. Reagan-National
Sat 11/15
4:55 pm-8:52 pm
1 stop4h 57m
ChicagoWashington, D.C.
ORD - DCA
ORDDCA
Chicago O'Hare Intl
Thu 12/18
12:38 pm-3:32 pm
Nonstop1h 54m
Washington, D.C. Reagan-National
Tue 1/6
9:07 am-1:15 pm
1 stop5h 08m
ChicagoWashington, D.C.
ORD - DCA
ORDDCA
Chicago O'Hare Intl
Thu 12/4
8:55 am-4:36 pm
1 stop6h 41m
Washington, D.C. Reagan-National
Mon 12/8
5:31 pm-8:35 pm
1 stop4h 04m
ChicagoWashington, D.C.
ORD - DCA
ORDDCA
Chicago O'Hare Intl
Thu 1/22
10:40 am-6:06 pm
1 stop6h 26m
Washington, D.C. Reagan-National
Fri 1/23
6:00 am-10:22 am
1 stop5h 22m
ChicagoWashington, D.C.
ORD - DCA
ORDDCA
Chicago O'Hare Intl
Fri 2/20
5:00 pm-10:54 pm
1 stop4h 54m
Washington, D.C. Reagan-National
Mon 2/23
5:00 pm-9:35 pm
1 stop5h 35m
ChicagoWashington, D.C.
ORD - DCA
ORDDCA
Chicago O'Hare Intl
Thu 12/4
8:55 am-4:36 pm
1 stop6h 41m
Washington, D.C. Reagan-National
Wed 12/10
6:00 am-12:03 pm
1 stop7h 03m
ChicagoWashington, D.C.
MDW - DCA
MDWDCA
Chicago Midway
Sat 12/6
11:05 am-5:21 pm
1 stop5h 16m
Washington, D.C. Reagan-National
Sat 12/13
9:36 am-12:34 pm
1 stop3h 58m
ChicagoWashington, D.C.
MDW - DCA
MDWDCA
Chicago Midway
Fri 1/16
1:00 pm-7:20 pm
1 stop5h 20m
Washington, D.C. Reagan-National
Tue 1/20
6:10 am-1:08 pm
1 stop7h 58m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 stars |
To ensure you get the cheapest price possible for a flight from Chicago to Washington, D.C. Reagan-National Airport, you should look to book at least 82 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
Currently, June is the cheapest month in which you can book a flight from Chicago to Washington, D.C. Reagan-National Airport (average of $130). Flying from Chicago to Washington, D.C. Reagan-National Airport in May is currently the most expensive (average of $195). 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.
Unlike in the afternoon, when flights are generally more expensive, you can save up to 4% on flights from Chicago to Washington, D.C. Reagan-National Airport by exploring options for tickets in the morning.
Travelers seeking maximum savings on their Chicago to Washington, D.C. Reagan-National Airport flight should consider departing on Thursday at noon when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
The most flights from CHI to DCA are scheduled on a Thursday (54 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (8 on average).
Entertainment
Crew
Food
Boarding
Comfort
Overall
Reviews
Mike,Aug 2025
OKC - AUS
Entertainment
Crew
Food
Boarding
Comfort
Overall
Reviews
Mike,Aug 2025
OKC - AUS
Entertainment
Crew
Food
Boarding
Comfort
Overall
Reviews
Mike,Aug 2025
OKC - AUS
Entertainment
Crew
Food
Boarding
Comfort
Overall
Reviews
Mike,Aug 2025
OKC - AUS
Entertainment
Crew
Food
Boarding
Comfort
Overall
Reviews
Mike,Aug 2025
OKC - AUS
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$85 | Average$168 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$161 | Average$270 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$166 | Average$248 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$191 | Average$304 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$194 | Average$312 | FlexibilityNo cancel fee | On-time69% |