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

Return flights

01 Dec - 20 Dec	Turkish Airlines
06 Dec - 22 Dec	Qatar Airways
02 Dec - 31 Dec	Porter Airlines (Canada) Ltd
05 Dec - 05 Jan	Flair Airlines
05 Dec - 06 Jan	Qatar Airways
31 Dec - 07 Jan	Turkish Airlines
27 Dec - 17 Jan	Emirates
05 Dec - 04 Jan	Qatar Airways
11 Dec - 06 Jan	Turkish Airlines
12 Dec - 06 Jan	Turkish Airlines
10 Dec - 05 Jan	Lufthansa
11 Dec - 05 Jan	Turkish Airlines
18 Dec - 02 Jan	Austrian Airlines

Also check the deals for one-way flights from Toronto to Tehran 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 Tehran in December from $1293

Return flights