Earn point on your loyalty program!arrow arc left

Cheap flights from Buffalo (BUF) 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 Buffalo (BUF) to Ottawa (YOW)

How to find the cheapest flight from Buffalo (BUF) 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 Buffalo (BUF) 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 Buffalo (BUF) 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 Buffalo to Ottawa in April , May 2026

24 Apr - 30 May $ 398.00
BUF
Buffalo
Frontier Airlines
1 STOPS
YOW
Ottawa
YOW
Ottawa
Frontier Airlines
1 STOPS
BUF
Buffalo
Pick dates
24 Apr - 30 May $ 399.00
BUF
Buffalo
Frontier Airlines
2 STOPS
YOW
Ottawa
YOW
Ottawa
Frontier Airlines
1 STOPS
BUF
Buffalo
Pick dates
24 Apr - 29 May $ 407.00
BUF
Buffalo
Frontier Airlines
1 STOPS
YOW
Ottawa
YOW
Ottawa
Frontier Airlines
1 STOPS
BUF
Buffalo
Pick dates

Last minute flights from Buffalo to Ottawa

24 Apr - 30 Apr $ 496.00
BUF
Buffalo
Frontier Airlines
1 STOPS
YOW
Ottawa
YOW
Ottawa
Frontier Airlines
1 STOPS
BUF
Buffalo
Pick dates
24 Apr - 30 Apr $ 497.00
BUF
Buffalo
Frontier Airlines
2 STOPS
YOW
Ottawa
YOW
Ottawa
Frontier Airlines
1 STOPS
BUF
Buffalo
Pick dates
17 Apr - 30 Apr $ 507.00
BUF
Buffalo
Frontier Airlines
2 STOPS
YOW
Ottawa
YOW
Ottawa
Frontier Airlines
1 STOPS
BUF
Buffalo
Pick dates

One-way flights to Ottawa from Buffalo

11:02 AM - 8:45 PM
Porter Airlines
1 Stops
12h 56m
BUF - YOW
$ 197
Kiwi
Pick dates
10:35 AM - 12:38 PM
United Airlines
1 Stops
3h 47m
BUF - YOW
$ 398
Kiwi
Pick dates
2:54 PM - 5:10 PM
United Airlines
1 Stops
4h 1m
BUF - YOW
$ 398
Kiwi
Pick dates

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