
Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $258 (Mytrip) |
One-way from | $109 (Kiwi.com) |
Popular in | March |
Cheapest in | January |
Average price | $423 |
Good round-trip deal | $292 or less |
Good one-way deal | $256 or less |
Fly from
Fly to
Route
Depart
Return
Price
BaltimoreOttawa
BWI - YOW
BWIYOW
Baltimore/Washington
Fri 12/5
10:40 am-11:58 pm
1 stop13h 18m
Ottawa
Sun 12/7
7:00 am-9:22 am
3 stops26h 22m
Washington, D.C.Ottawa
IAD - YOW
IADYOW
Washington, D.C. Dulles Intl
Thu 11/27
11:40 am-7:54 pm
1 stop8h 14m
Ottawa
Thu 12/4
6:50 am-10:24 am
1 stop3h 34m
BaltimoreOttawa
BWI - YOW
BWIYOW
Baltimore/Washington
Tue 11/11
9:36 pm-12:42 am
2 stops27h 06m
Ottawa
Tue 11/25
9:30 am-5:24 pm
1 stop7h 54m
Washington, D.C.Ottawa
IAD - YOW
IADYOW
Washington, D.C. Dulles Intl
Mon 12/8
11:40 am-3:04 pm
1 stop3h 24m
Ottawa
Sat 12/20
1:20 pm-5:14 pm
1 stop3h 54m
Washington, D.C.Ottawa
IAD - YOW
IADYOW
Washington, D.C. Dulles Intl
Wed 11/19
6:30 pm-10:29 pm
1 stop3h 59m
Ottawa
Thu 11/20
12:10 pm-5:14 pm
1 stop5h 04m
Washington, D.C.Ottawa
IAD - YOW
IADYOW
Washington, D.C. Dulles Intl
Sun 12/14
6:30 pm-10:29 pm
1 stop3h 59m
Ottawa
Sun 12/21
1:20 pm-5:14 pm
1 stop3h 54m
BaltimoreOttawa
BWI - YOW
BWIYOW
Baltimore/Washington
Thu 11/20
5:40 am-5:25 pm
1 stop11h 45m
Ottawa
Mon 11/24
9:30 am-9:36 am
2 stops24h 06m
BaltimoreOttawa
BWI - YOW
BWIYOW
Baltimore/Washington
Sat 11/8
10:16 am-11:58 pm
1 stop13h 42m
Ottawa
Tue 11/11
4:15 pm-12:55 pm
2 stops20h 40m
Washington, D.C.Ottawa
IAD - YOW
IADYOW
Washington, D.C. Dulles Intl
Sat 2/14
1:45 pm-5:29 pm
1 stop3h 44m
Ottawa
Sun 2/15
12:10 pm-5:14 pm
1 stop5h 04m
BaltimoreOttawa
BWI - YOW
BWIYOW
Baltimore/Washington
Thu 11/20
5:40 am-5:25 pm
1 stop11h 45m
Ottawa
Sun 11/23
9:30 am-9:36 am
2 stops24h 06m
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star |
The best time to book flights from Washington, D.C. to Ottawa is 57 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, September is the cheapest month in which you can book a flight from Washington, D.C. to Ottawa (average of $113). Flying from Washington, D.C. to Ottawa in June is currently the most expensive (average of $214). 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 39% on the cost of your flight, compared to a flight in the evening.
Travelers seeking maximum savings on their Washington, D.C. to Ottawa flight should consider departing on Friday at noon when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Food
Boarding
Comfort
Overall
Entertainment
Crew
Reviews
Anonymous,Sep 2025
YYZ - OPO
Food
Boarding
Comfort
Overall
Entertainment
Crew
Reviews
Anonymous,Sep 2025
YYZ - OPO
Food
Boarding
Comfort
Overall
Entertainment
Crew
Reviews
Anonymous,Sep 2025
YYZ - OPO
Food
Boarding
Comfort
Overall
Entertainment
Crew
Reviews
Anonymous,Sep 2025
YYZ - OPO
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$179 | Average$331 | FlexibilityNo cancel fee | On-time52% | |
| Cheapest$206 | Average$464 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$218 | Average$500 | FlexibilityNo cancel fee | On-time69% |