DCA has a dedicated Metro stop on the Yellow and Blue lines, making it the most affordable way to reach the airport.

Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $117 (Kiwi.com) |
One-way from | $57 (Cheapflightsfares) |
Popular in | April |
Cheapest in | August |
Average price | $272 |
Good round-trip deal | $228 or less |
Good one-way deal | $116 or less |
Fly from
Fly to
Route
Depart
Return
Price
Washington, D.C.Chicago
DCA - ORD
DCAORD
Washington, D.C. Reagan-National
Sat 1/17
6:15 am-1:10 pm
1 stop7h 55m
Chicago O'Hare Intl
Sat 1/31
2:05 pm-10:47 pm
1 stop7h 42m
Washington, D.C.Chicago
DCA - ORD
DCAORD
Washington, D.C. Reagan-National
Sat 1/10
6:15 am-1:10 pm
1 stop7h 55m
Chicago O'Hare Intl
Thu 1/15
2:05 pm-10:47 pm
1 stop7h 42m
BaltimoreChicago
BWI - ORD
BWIORD
Baltimore/Washington
Tue 12/16
1:10 pm-2:19 pm
Nonstop2h 09m
Chicago O'Hare Intl
Tue 1/20
11:05 am-2:11 pm
Nonstop2h 06m
BaltimoreChicago
BWI - ORD
BWIORD
Baltimore/Washington
Mon 11/24
6:00 am-10:01 am
1 stop5h 01m
Chicago O'Hare Intl
Thu 11/27
11:19 am-5:17 pm
1 stop4h 58m
BaltimoreChicago
BWI - ORD
BWIORD
Baltimore/Washington
Sun 12/7
10:20 am-11:28 am
Nonstop2h 08m
Chicago O'Hare Intl
Thu 12/11
6:09 pm-9:08 pm
Nonstop1h 59m
BaltimoreChicago
BWI - ORD
BWIORD
Baltimore/Washington
Wed 12/3
1:10 pm-2:19 pm
Nonstop2h 09m
Chicago O'Hare Intl
Wed 12/10
10:55 am-1:50 pm
Nonstop1h 55m
BaltimoreChicago
BWI - ORD
BWIORD
Baltimore/Washington
Sat 12/6
10:20 am-11:28 am
Nonstop2h 08m
Chicago O'Hare Intl
Thu 12/11
6:09 pm-9:08 pm
Nonstop1h 59m
BaltimoreChicago
BWI - ORD
BWIORD
Baltimore/Washington
Wed 12/3
5:18 pm-6:26 pm
Nonstop2h 08m
Chicago O'Hare Intl
Sun 12/7
6:09 pm-9:08 pm
Nonstop1h 59m
BaltimoreChicago
BWI - ORD
BWIORD
Baltimore/Washington
Sun 12/7
10:20 am-11:28 am
Nonstop2h 08m
Chicago O'Hare Intl
Tue 12/9
10:55 am-1:50 pm
Nonstop1h 55m
Washington, D.C.Chicago
DCA - ORD
DCAORD
Washington, D.C. Reagan-National
Mon 11/24
5:43 pm-10:50 pm
1 stop6h 07m
Chicago O'Hare Intl
Thu 11/27
8:20 am-2:59 pm
1 stop5h 39m
| 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 Accuracy- | Trust Score*1 star |
Booking 78 days in advance of your planned departure date is, on average, the best time to get cheap flights from Washington, D.C. to Chicago O'Hare Intl Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Currently, September is the cheapest month in which you can book a flight from Washington, D.C. to Chicago O'Hare Intl Airport (average of $81). Flying from Washington, D.C. to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $163). 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.
It’s optimal to fly from Washington, D.C. to Chicago O'Hare Intl Airport in the evening. By choosing this option you can save up to 49% on the cost of your flight, compared to a flight at noon.
Travelers seeking maximum savings on their Washington, D.C. to Chicago O'Hare Intl Airport flight should consider departing on Friday evenings 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.
Overall
Boarding
Comfort
Crew
Food
Entertainment
Reviews
Mike,Aug 2025
OKC - AUS
Overall
Boarding
Comfort
Crew
Food
Entertainment
Reviews
Mike,Aug 2025
OKC - AUS
Overall
Boarding
Comfort
Crew
Food
Entertainment
Reviews
Mike,Aug 2025
OKC - AUS
Overall
Boarding
Comfort
Crew
Food
Entertainment
Reviews
Mike,Aug 2025
OKC - AUS
Overall
Boarding
Comfort
Crew
Food
Entertainment
Reviews
Mike,Aug 2025
OKC - AUS
Overall
Boarding
Comfort
Crew
Food
Entertainment
Reviews
Mike,Aug 2025
OKC - AUS
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$52 | Average$124 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$74 | Average$186 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$157 | Average$288 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$158 | Average$322 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$166 | Average$305 | FlexibilityNo cancel fee | On-time71% |