
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $328 (Kiwi.com) |
One-way from | $143 (Kiwi.com) |
Popular in | December |
Cheapest in | January |
Average price | $375 |
Good round-trip deal | $360 or less |
Good one-way deal | $186 or less |
Fly from
Fly to
Route
Depart
Return
Price
BaltimoreOttawa
BWI - YOW
BWIYOW
Baltimore/Washington
Wed 3/18
6:25 am-5:25 pm
1 stop11h 00m
Ottawa
Wed 3/25
4:15 pm-8:41 am
1 stop16h 26m
Washington, D.C.Ottawa
IAD - YOW
IADYOW
Washington, D.C. Dulles Intl
Wed 4/1
11:40 am-3:04 pm
1 stop3h 24m
Ottawa
Mon 4/6
6:50 am-10:24 am
1 stop3h 34m
Washington, D.C.Ottawa
IAD - YOW
IADYOW
Washington, D.C. Dulles Intl
Wed 3/18
11:40 am-5:29 pm
1 stop5h 49m
Ottawa
Wed 3/25
6:45 am-10:24 am
1 stop3h 39m
Washington, D.C.Ottawa
IAD - YOW
IADYOW
Washington, D.C. Dulles Intl
Thu 5/28
4:05 pm-7:39 pm
1 stop3h 34m
Ottawa
Sun 5/31
11:00 am-3:21 pm
1 stop4h 21m
BaltimoreOttawa
BWI - YOW
BWIYOW
Baltimore/Washington
Tue 2/24
12:30 pm-12:25 am
1 stop11h 55m
Ottawa
Wed 2/25
3:55 pm-8:24 am
2 stops16h 29m
BaltimoreOttawa
BWI - YOW
BWIYOW
Baltimore/Washington
Mon 4/13
8:44 pm-5:25 pm
1 stop20h 41m
Ottawa
Sat 4/18
9:30 am-8:48 pm
1 stop11h 18m
BaltimoreOttawa
BWI - YOW
BWIYOW
Baltimore/Washington
Thu 2/19
10:06 am-12:25 am
1 stop14h 19m
Ottawa
Tue 2/24
7:00 am-9:06 am
1 stop26h 06m
Washington, D.C.Ottawa
IAD - YOW
IADYOW
Washington, D.C. Dulles Intl
Thu 4/9
11:40 am-3:04 pm
1 stop3h 24m
Ottawa
Sun 4/12
1:20 pm-5:14 pm
1 stop3h 54m
Washington, D.C.Ottawa
IAD - YOW
IADYOW
Washington, D.C. Dulles Intl
Wed 4/1
3:15 pm-5:13 pm
2 stops25h 58m
Ottawa
Mon 4/6
1:20 pm-5:14 pm
1 stop3h 54m
BaltimoreOttawa
BWI - YOW
BWIYOW
Baltimore/Washington
Wed 4/1
7:40 pm-5:25 pm
2 stops21h 45m
Ottawa
Wed 4/8
7:00 am-3:57 pm
1 stop8h 57m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
The best time to book flights from Washington, D.C. to Ottawa is 21 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, March is the cheapest month in which you can book a flight from Washington, D.C. to Ottawa (average of $112). Flying from Washington, D.C. to Ottawa in December is currently the most expensive (average of $221). 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 Ottawa at noon. By choosing this option you can save up to 25% on the cost of your flight, compared to a flight in the afternoon.
The most flights from WAS to YOW are scheduled on a Monday (9 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (7 on average).
Entertainment
Food
Crew
Comfort
Boarding
Overall
Reviews
Mohameed,Nov 2025
LAS - YYZ
Entertainment
Food
Crew
Comfort
Boarding
Overall
Reviews
Mohameed,Nov 2025
LAS - YYZ
Entertainment
Food
Crew
Comfort
Boarding
Overall
Reviews
Mohameed,Nov 2025
LAS - YYZ
Entertainment
Food
Crew
Comfort
Boarding
Overall
Reviews
Mohameed,Nov 2025
LAS - YYZ
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$169 | Average$335 | FlexibilityNo cancel fee | On-time52% | |
| Cheapest$171 | Average$467 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$189 | Average$490 | FlexibilityNo cancel fee | On-time69% |