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

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

How to find the cheapest flight from Ontario (ONT) to Bucharest (BBU)
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How to find the cheapest flight from Ontario (ONT) to Bucharest (BBU)
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How to find the cheapest flight from Ontario (ONT) to Bucharest (BBU)
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Cheap flights from Ontario to Bucharest in December 2025 , January 2026

28 Dec - 19 Jan $ 1,106.00
ONT
Ontario
Frontier Airlines
3 STOPS
BBU
Bucharest
BBU
Bucharest
Frontier Airlines
3 STOPS
ONT
Ontario
Pick dates
29 Dec - 19 Jan $ 1,161.00
ONT
Ontario
Frontier Airlines
3 STOPS
BBU
Bucharest
BBU
Bucharest
Frontier Airlines
3 STOPS
ONT
Ontario
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28 Dec - 19 Jan $ 1,183.00
ONT
Ontario
Frontier Airlines
3 STOPS
BBU
Bucharest
BBU
Bucharest
Frontier Airlines
3 STOPS
ONT
Ontario
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Last minute flights from Ontario to Bucharest

28 Dec - 01 Jan $ 2,288.00
ONT
Ontario
Hawaiian Airlines
3 STOPS
BBU
Bucharest
BBU
Bucharest
Hawaiian Airlines
3 STOPS
ONT
Ontario
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28 Dec - 01 Jan $ 2,290.00
ONT
Ontario
Frontier Airlines
3 STOPS
BBU
Bucharest
BBU
Bucharest
Frontier Airlines
3 STOPS
ONT
Ontario
Pick dates
28 Dec - 01 Jan $ 2,366.00
ONT
Ontario
Frontier Airlines
3 STOPS
BBU
Bucharest
BBU
Bucharest
Frontier Airlines
3 STOPS
ONT
Ontario
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One-way flights to Bucharest from Ontario

10:12 PM - 9:20 PM
Wizz Air Malta
3 Stops
41h 23m
ONT - BBU
$ 628
Kiwi
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10:12 PM - 6:45 PM
Wizz Air
3 Stops
37h 28m
ONT - BBU
$ 704
Kiwi
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6:00 AM - 9:20 PM
Wizz Air Malta
3 Stops
33h 35m
ONT - BBU
$ 746
Kiwi
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How to find the cheapest flight from Ontario (ONT) to Bucharest (BBU)

Related info for your journey
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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.