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

Return flights

13 Dec - 17 Jan	SWISS
13 Dec - 21 Dec	British Airways
12 Dec - 27 Dec	Condor
17 Dec - 17 Jan	British Airways
18 Dec - 10 Jan	British Airways
22 Dec - 05 Jan	British Airways
19 Dec - 10 Jan	British Airways

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

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 December from $714

Return flights