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

Return flights

13 Dec - 10 Jan	Air Canada
04 Dec - 18 Dec	Turkish Airlines
04 Dec - 25 Dec	Turkish Airlines
07 Dec - 31 Dec	Porter Airlines (Canada) Ltd
08 Dec - 31 Dec	Porter Airlines (Canada) Ltd
10 Dec - 24 Dec	Emirates
11 Dec - 24 Dec	Turkish Airlines
11 Dec - 25 Dec	Turkish Airlines
04 Dec - 04 Jan	Qatar Airways
10 Dec - 10 Jan	Lufthansa
26 Dec - 10 Jan	Lufthansa
19 Dec - 31 Dec	Porter Airlines (Canada) Ltd
12 Dec - 02 Jan	Lufthansa
14 Dec - 04 Jan	Porter Airlines (Canada) Ltd
19 Dec - 02 Jan	Porter Airlines (Canada) Ltd
18 Dec - 06 Jan	Austrian Airlines
19 Dec - 03 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 1045€

Return flights