Earn point on your loyalty program!arrow arc left

Cheap flights from Ontario (ONT) to Bucharest (BBU)

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 Ontario (ONT) to Bucharest (BBU)

How to find the cheapest flight from Ontario (ONT) to Bucharest (BBU)
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 Ontario (ONT) to Bucharest (BBU)
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 Ontario (ONT) to Bucharest (BBU)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.

Cheap flights from Ontario to Bucharest in September , October 2026

28 Sep - 29 Oct $ 1,410.00
ONT
Ontario
Frontier Airlines
3 STOPS
BBU
Bucharest
BBU
Bucharest
Frontier Airlines
3 STOPS
ONT
Ontario
Pick dates
28 Sep - 16 Oct $ 1,448.00
ONT
Ontario
Frontier Airlines
3 STOPS
BBU
Bucharest
BBU
Bucharest
Frontier Airlines
3 STOPS
ONT
Ontario
Pick dates
28 Sep - 29 Oct $ 1,538.00
ONT
Ontario
Frontier Airlines
3 STOPS
BBU
Bucharest
BBU
Bucharest
Frontier Airlines
3 STOPS
ONT
Ontario
Pick dates

Last minute flights from Ontario to Bucharest

28 Sep - 02 Oct $ 1,768.00
ONT
Ontario
JetBlue Airways
3 STOPS
BBU
Bucharest
BBU
Bucharest
JetBlue Airways
3 STOPS
ONT
Ontario
Pick dates
28 Sep - 01 Oct $ 1,772.00
ONT
Ontario
Alaska Airlines
3 STOPS
BBU
Bucharest
BBU
Bucharest
Alaska Airlines
3 STOPS
ONT
Ontario
Pick dates
28 Sep - 01 Oct $ 1,995.00
ONT
Ontario
Frontier Airlines
3 STOPS
BBU
Bucharest
BBU
Bucharest
Frontier Airlines
3 STOPS
ONT
Ontario
Pick dates

One-way flights to Bucharest from Ontario

10:39 PM - 8:00 PM
Wizz Air Malta
3 Stops
38h 56m
ONT - BBU
$ 582
Kiwi
Pick dates
10:39 PM - 2:55 PM
Wizz Air Malta
3 Stops
34h 6m
ONT - BBU
$ 653
Kiwi
Pick dates
12:07 PM - 7:55 PM
Wizz Air
3 Stops
24h 13m
ONT - BBU
$ 710
Kiwi
Pick dates

How to find the cheapest flight from Ontario (ONT) to Bucharest (BBU)

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 Ontario (ONT) to Bucharest (BBU)
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 Ontario (ONT) to Bucharest (BBU)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.