Cheapest return flights from Ontario to Bucharest in June from $651

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

Return flights

09 Jun - 16 Jun British Airways
10 Jun - 30 Jul British Airways
11 Jun - 03 Jul British Airways
29 Jun - 13 Jul British Airways
11 Jun - 02 Jul British Airways
02 Jun - 10 Jun British Airways
23 Jun - 01 Jul British Airways
26 Jun - 03 Jul British Airways
30 Jun - 08 Jul British Airways
09 Jun - 17 Jun British Airways
26 Jun - 13 Jul British Airways
13 Jun - 27 Jun British Airways
23 Jun - 30 Jun British Airways
16 Jun - 30 Jun British Airways
12 Jun - 19 Jun British Airways
16 Jun - 24 Jun British Airways
16 Jun - 23 Jun British Airways

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

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