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

Return flights

10 Aug - 15 Sep	Flair Airlines
26 Aug - 15 Sep	Flair Airlines
18 Aug - 05 Sep	Air Canada
16 Aug - 31 Aug	Flair Airlines
19 Aug - 06 Sep	WestJet
20 Aug - 10 Sep	WestJet
20 Aug - 06 Sep	WestJet
06 Aug - 06 Sep	WestJet
30 Aug - 26 Sep	WestJet
17 Aug - 03 Sep	WestJet
13 Aug - 11 Sep	Emirates
05 Aug - 21 Aug	Lufthansa
13 Aug - 20 Aug	Air Transat
04 Aug - 28 Aug	WestJet
04 Aug - 26 Aug	WestJet
13 Aug - 27 Aug	Air Transat
22 Aug - 31 Aug	WestJet
01 Aug - 30 Aug	WestJet
01 Aug - 15 Aug	WestJet
08 Aug - 16 Aug	Emirates

Also check the deals for one-way flights from Toronto to Tehran in August.

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 August from 990€

Return flights