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 | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $151 (Flightnetwork) |
One-way from | $75 (CheapOair) |
Popular in | October |
Cheapest in | August |
Average price | $309 |
Good round-trip deal | $262 or less |
Good one-way deal | $169 or less |
Fly from
Fly to
Route
Depart
Return
Price
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
Wed 3/11
6:00 am-11:49 am
1 stop6h 49m
ChicagoWashington, D.C.
MDW - DCA
MDWDCA
Chicago Midway
Tue 2/3
1:25 pm-10:00 pm
2 stops7h 35m
Washington, D.C. Reagan-National
Tue 2/10
9:00 pm-10:15 pm
Nonstop2h 15m
ChicagoWashington, D.C.
ORD - DCA
ORDDCA
Chicago O'Hare Intl
Thu 12/11
5:59 pm-11:40 pm
1 stop4h 41m
Washington, D.C. Reagan-National
Fri 12/12
6:02 am-10:00 am
1 stop4h 58m
ChicagoWashington, D.C.
ORD - DCA
ORDDCA
Chicago O'Hare Intl
Sat 4/18
1:45 pm-10:57 pm
1 stop8h 12m
Washington, D.C. Reagan-National
Thu 4/30
2:59 pm-7:26 pm
1 stop5h 27m
ChicagoWashington, D.C.
ORD - DCA
ORDDCA
Chicago O'Hare Intl
Wed 1/7
7:10 am-12:57 pm
1 stop4h 47m
Washington, D.C. Reagan-National
Sun 1/11
7:30 pm-11:57 pm
1 stop5h 27m
ChicagoWashington, D.C.
ORD - DCA
ORDDCA
Chicago O'Hare Intl
Wed 12/17
7:00 am-12:27 pm
1 stop4h 27m
Washington, D.C. Reagan-National
Wed 12/17
5:31 pm-8:35 pm
1 stop4h 04m
ChicagoWashington, D.C.
ORD - DCA
ORDDCA
Chicago O'Hare Intl
Fri 12/12
2:30 pm-6:59 pm
1 stop3h 29m
Washington, D.C. Reagan-National
Sun 12/14
6:02 am-10:00 am
1 stop4h 58m
ChicagoWashington, D.C.
MDW - DCA
MDWDCA
Chicago Midway
Fri 2/20
1:28 pm-6:59 pm
1 stop4h 31m
Washington, D.C. Reagan-National
Mon 2/23
6:00 pm-10:44 pm
1 stop5h 44m
ChicagoWashington, D.C.
MDW - DCA
MDWDCA
Chicago Midway
Tue 12/16
6:40 pm-11:08 pm
1 stop3h 28m
Washington, D.C. Reagan-National
Wed 12/17
9:36 am-12:34 pm
1 stop3h 58m
ChicagoWashington, D.C.
MDW - DCA
MDWDCA
Chicago Midway
Wed 1/7
1:49 pm-10:00 pm
1 stop7h 11m
Washington, D.C. Reagan-National
Sun 1/11
6:05 am-8:54 am
1 stop3h 49m
| 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 |
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 Wednesday (54 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (21 on average).
Entertainment
Overall
Boarding
Crew
Food
Comfort
Reviews
Mike,Aug 2025
OKC - AUS
Entertainment
Overall
Boarding
Crew
Food
Comfort
Reviews
Mike,Aug 2025
OKC - AUS
Entertainment
Overall
Boarding
Crew
Food
Comfort
Reviews
Mike,Aug 2025
OKC - AUS
Entertainment
Overall
Boarding
Crew
Food
Comfort
Reviews
Mike,Aug 2025
OKC - AUS
Entertainment
Overall
Boarding
Crew
Food
Comfort
Reviews
Mike,Aug 2025
OKC - AUS
| 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$192 | Average$302 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$194 | Average$311 | FlexibilityNo cancel fee | On-time69% |