AirHint found the following cheapest return flights from Toronto (YYZ) to Tehran (IKA) in May 2026 (see full year).

Return flights

07 May - 24 May	Air Transat
10 May - 04 Jun	Air Transat
30 May - 20 Jun	WestJet
08 May - 28 May	WestJet
25 May - 25 Jun	WestJet
04 May - 25 May	Air Transat
31 May - 22 Jun	Air Transat
29 May - 26 Jun	WestJet
29 May - 28 Jun	WestJet
28 May - 28 Jun	WestJet
29 May - 27 Jun	WestJet
01 May - 31 May	Air Transat
30 May - 27 Jun	WestJet

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

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 May from 772€

Return flights