Cheapest return flights from Ontario to Bucharest in September from $914

AirHint found the following cheapest return flights from Ontario (ONT) to Bucharest (OTP) in September 2026 (see full year).

Return flights

09 Sep - 16 Sep Turkish Airlines
30 Sep - 07 Oct Air France
10 Sep - 17 Sep jetBlue
11 Sep - 18 Sep jetBlue
29 Sep - 06 Oct Alaska Airlines
16 Sep - 23 Sep Turkish Airlines
18 Sep - 25 Sep Turkish Airlines
17 Sep - 24 Sep Turkish Airlines
25 Sep - 02 Oct Alaska Airlines

Also check the deals for one-way flights from Ontario to Bucharest in September.

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