AirHint found the following cheapest return flights from Toronto (YYZ) to Bucharest (OTP) in September 2025 (see full year).

Return flights

10 Sep - 20 Sep	SWISS
27 Sep - 04 Oct	WestJet
24 Sep - 01 Oct	WestJet
22 Sep - 29 Sep	WestJet
08 Sep - 15 Sep	Condor
15 Sep - 22 Sep	Condor
21 Sep - 28 Sep	Condor
23 Sep - 30 Sep	Condor
28 Sep - 05 Oct	Condor
25 Sep - 02 Oct	Condor
04 Sep - 11 Sep	Condor
10 Sep - 17 Sep	Condor
11 Sep - 18 Sep	Condor
12 Sep - 19 Sep	Condor
26 Sep - 03 Oct	Condor

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

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Toronto to Bucharest in September from $522

Return flights