Cheapest return flights from Ontario to Bucharest in May from $599

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

Return flights

07 May - 14 May Air France
10 May - 17 May Air France
13 May - 20 May KLM
09 May - 16 May Air France
26 May - 02 Jun Air France
27 May - 03 Jun KLM
04 May - 11 May KLM
28 May - 04 Jun Air France
29 May - 05 Jun KLM
01 May - 08 May KLM
06 May - 13 May KLM
02 May - 09 May Alaska Airlines
03 May - 10 May Air France
08 May - 15 May Alaska Airlines
25 May - 01 Jun Air Serbia
31 May - 14 Jun British Airways

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

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