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 December 2025 , January 2026

31 Dec - 31 Jan $ 459.00
BWI
Baltimore
Frontier Airlines
1 STOPS
YOW
Ottawa
YOW
Ottawa
Frontier Airlines
1 STOPS
BWI
Baltimore
Pick dates
31 Dec - 26 Jan $ 463.00
BWI
Baltimore
Frontier Airlines
1 STOPS
YOW
Ottawa
YOW
Ottawa
Frontier Airlines
1 STOPS
BWI
Baltimore
Pick dates
31 Dec - 17 Jan $ 465.00
BWI
Baltimore
Frontier Airlines
1 STOPS
YOW
Ottawa
YOW
Ottawa
Frontier Airlines
1 STOPS
BWI
Baltimore
Pick dates

Last minute flights from Baltimore to Ottawa

30 Dec - 01 Jan $ 518.00
BWI
Baltimore
Frontier Airlines
1 STOPS
YOW
Ottawa
YOW
Ottawa
Frontier Airlines
1 STOPS
BWI
Baltimore
Pick dates
24 Dec - 31 Dec $ 1,195.00
BWI
Baltimore
United Airlines
1 STOPS
YOW
Ottawa
YOW
Ottawa
United Airlines
1 STOPS
BWI
Baltimore
Pick dates
24 Dec - 31 Dec $ 1,195.00
BWI
Baltimore
United Airlines
1 STOPS
YOW
Ottawa
YOW
Ottawa
United Airlines
1 STOPS
BWI
Baltimore
Pick dates

One-way flights to Ottawa from Baltimore

8:17 AM - 2:00 PM
Porter Airlines
1 Stops
8h 56m
BWI - YOW
$ 295
Kiwi
Pick dates
10:44 AM - 6:00 PM
United Airlines
1 Stops
10h 34m
BWI - YOW
$ 567
Kiwi
Pick dates
10:44 AM - 2:01 PM
United Airlines
1 Stops
6h 34m
BWI - YOW
$ 698
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.