BA's World Traveller Plus offers extra legroom and upgraded service, enhancing comfort on short flights.
BA's Executive Club offers free seat selection for mid-tier members, even on economy fares.

Most accurate provider | Justfly.com 3 stars |
|---|---|
Most trusted provider | Justfly.com 3 stars |
Round-trip from | $88 (Kiwi.com) |
One-way from | $60 (Trip.com) |
Popular in | December |
Cheapest in | September |
Average price | $323 |
Good round-trip deal | $151 or less |
Good one-way deal | $95 or less |
Fly from
Fly to
Route
Depart
Return
Price
ChicagoBaltimore
ORD - BWI
ORDBWI
Chicago O'Hare Intl
Wed 1/14
11:05 am-2:11 pm
Nonstop2h 06m
Baltimore/Washington
Wed 1/14
5:18 pm-6:38 pm
Nonstop2h 20m
ChicagoBaltimore
ORD - BWI
ORDBWI
Chicago O'Hare Intl
Tue 2/24
6:15 pm-9:17 pm
Nonstop2h 02m
Baltimore/Washington
Thu 2/26
6:30 am-7:53 am
Nonstop2h 23m
ChicagoBaltimore
ORD - BWI
ORDBWI
Chicago O'Hare Intl
Thu 12/25
6:20 pm-9:26 pm
Nonstop2h 06m
Baltimore/Washington
Thu 1/1
6:15 am-7:35 am
Nonstop2h 20m
ChicagoBaltimore
ORD - BWI
ORDBWI
Chicago O'Hare Intl
Wed 1/14
11:05 am-2:11 pm
Nonstop2h 06m
Baltimore/Washington
Wed 1/21
5:18 pm-6:38 pm
Nonstop2h 20m
ChicagoBaltimore
ORD - BWI
ORDBWI
Chicago O'Hare Intl
Tue 1/20
11:05 am-2:11 pm
Nonstop2h 06m
Baltimore/Washington
Sun 1/25
5:18 pm-6:38 pm
Nonstop2h 20m
ChicagoBaltimore
ORD - BWI
ORDBWI
Chicago O'Hare Intl
Fri 2/27
6:15 pm-9:17 pm
Nonstop2h 02m
Baltimore/Washington
Mon 3/2
6:30 am-7:53 am
Nonstop2h 23m
ChicagoBaltimore
ORD - BWI
ORDBWI
Chicago O'Hare Intl
Wed 1/7
6:15 pm-9:21 pm
Nonstop2h 06m
Baltimore/Washington
Tue 1/13
10:05 am-11:25 am
Nonstop2h 20m
ChicagoWashington, D.C.
ORD - IAD
ORDIAD
Chicago O'Hare Intl
Fri 1/30
5:40 am-4:33 pm
1 stop9h 53m
Washington, D.C. Dulles Intl
Sun 2/1
5:37 pm-10:46 pm
1 stop6h 09m
ChicagoBaltimore
ORD - BWI
ORDBWI
Chicago O'Hare Intl
Thu 1/15
6:15 am-1:53 pm
1 stop6h 38m
Baltimore/Washington
Mon 1/19
6:00 am-9:41 am
1 stop4h 41m
ChicagoBaltimore
ORD - BWI
ORDBWI
Chicago O'Hare Intl
Thu 12/25
6:02 pm-11:31 pm
1 stop4h 29m
Baltimore/Washington
Thu 1/1
6:00 am-9:01 am
1 stop4h 01m
| 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 Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
The price you pay for your flight from Chicago O'Hare Intl Airport to Washington, D.C. may vary depending on when you book. For the best chance of a lower fare, look to book 71 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Currently, February is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Washington, D.C. (average of $58). Flying from Chicago O'Hare Intl Airport to Washington, D.C. in March is currently the most expensive (average of $177). 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.
A simple way to save on the total cost of your ticket is to fly from Chicago O'Hare Intl Airport to Washington, D.C. in the morning. If you’re flexible enough to do this you can expect to save up to 33% on your trip compared to booking a flight at noon.
Travelers seeking maximum savings on their Chicago O'Hare Intl Airport to Washington, D.C. flight should consider departing on Friday afternoons 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.
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 19% of flights being delayed.
Comfort
Boarding
Food
Overall
Entertainment
Crew
Reviews
Thomas,Dec 2025
SEA - DEN
Comfort
Boarding
Food
Overall
Entertainment
Crew
Reviews
Thomas,Dec 2025
SEA - DEN
Comfort
Boarding
Food
Overall
Entertainment
Crew
Reviews
Thomas,Dec 2025
SEA - DEN
Comfort
Boarding
Food
Overall
Entertainment
Crew
Reviews
Thomas,Dec 2025
SEA - DEN
Comfort
Boarding
Food
Overall
Entertainment
Crew
Reviews
Thomas,Dec 2025
SEA - DEN
Comfort
Boarding
Food
Overall
Entertainment
Crew
Reviews
Thomas,Dec 2025
SEA - DEN
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$45 | Average$147 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$58 | Average$174 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$142 | Average$311 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$149 | Average$277 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$152 | Average$268 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$157 | Average$263 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$166 | Average$196 | FlexibilityNo cancel fee | On-timeN/A |