Earn point on your loyalty program!arrow arc left

Cheap flights from Baltimore (BWI) to Ottawa (YOW)

Know your dates, get live prices in seconds
airplane logo

pin logo

calendar
Departure
calendar backward
Return
airplane logo
1 Adults (11+)
0 Children (2~11)
0 Infants (0~2)
Save up to 31%
Book Flight + Hotel at the same time

How to find the cheapest flight from Baltimore (BWI) to Ottawa (YOW)

How to find the cheapest flight from Baltimore (BWI) to Ottawa (YOW)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Baltimore (BWI) to Ottawa (YOW)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Baltimore (BWI) to Ottawa (YOW)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.

Cheap flights from Baltimore to Ottawa in August , September 2026

24 Aug - 12 Sep $ 601.00
BWI
Baltimore
Frontier Airlines
1 STOPS
YOW
Ottawa
YOW
Ottawa
Frontier Airlines
1 STOPS
BWI
Baltimore
Pick dates
19 Aug - 10 Sep $ 1,375.00
BWI
Baltimore
WestJet
2 STOPS
YOW
Ottawa
YOW
Ottawa
WestJet
2 STOPS
BWI
Baltimore
Pick dates
19 Aug - 09 Sep $ 1,443.00
BWI
Baltimore
WestJet
2 STOPS
YOW
Ottawa
YOW
Ottawa
WestJet
2 STOPS
BWI
Baltimore
Pick dates

Last minute flights from Baltimore to Ottawa

24 Aug - 01 Sep $ 665.00
BWI
Baltimore
Frontier Airlines
1 STOPS
YOW
Ottawa
YOW
Ottawa
Frontier Airlines
1 STOPS
BWI
Baltimore
Pick dates
19 Aug - 01 Sep $ 1,408.00
BWI
Baltimore
WestJet
2 STOPS
YOW
Ottawa
YOW
Ottawa
WestJet
2 STOPS
BWI
Baltimore
Pick dates
19 Aug - 31 Aug $ 1,478.00
BWI
Baltimore
WestJet
2 STOPS
YOW
Ottawa
YOW
Ottawa
WestJet
2 STOPS
BWI
Baltimore
Pick dates

One-way flights to Ottawa from Baltimore

11:09 AM - 8:35 PM
Porter Airlines
1 Stops
12h 39m
BWI - YOW
$ 356
Kiwi
Pick dates
10:25 AM - 1:55 PM
United Airlines
1 Stops
6h 51m
BWI - YOW
$ 618
Kiwi
Pick dates
8:10 AM - 10:40 AM
United Airlines
1 Stops
5h 49m
BWI - YOW
$ 619
Kiwi
Pick dates

How to find the cheapest flight from Baltimore (BWI) to Ottawa (YOW)

Related info for your journey
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Baltimore (BWI) to Ottawa (YOW)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Baltimore (BWI) to Ottawa (YOW)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.