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

Return flights

03 Dec - 31 Jan	Air Transat
09 Dec - 16 Jan	Air Transat
02 Dec - 09 Dec	Turkish Airlines
05 Dec - 15 Dec	Porter Airlines (Canada) Ltd
01 Dec - 08 Dec	Turkish Airlines
06 Dec - 31 Jan	Air Transat
04 Dec - 11 Dec	Turkish Airlines
07 Dec - 31 Jan	Air Transat
06 Dec - 30 Jan	Air Transat
06 Dec - 13 Dec	Air Transat
07 Dec - 30 Jan	Air Transat
05 Dec - 11 Jan	WestJet
03 Dec - 10 Dec	Aer Lingus
08 Dec - 15 Dec	Air Transat
05 Dec - 12 Dec	WestJet
10 Dec - 12 Jan	Icelandair
07 Dec - 18 Jan	TAP
09 Dec - 10 Jan	Air Transat
09 Dec - 16 Dec	Air Transat
01 Dec - 22 Dec	Flair 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 $983

Return flights