AirHint found the following cheapest return flights from Istanbul (SAW) to Tehran (IKA) in October 2025 (see full year).

Return flights

21 Oct - 10 Nov	AJet
31 Oct - 10 Nov	Pegasus Airlines
05 Oct - 19 Oct	AJet	direct
15 Oct - 22 Oct	AJet	direct
01 Oct - 05 Oct	AJet	direct
28 Oct - 12 Nov	Pegasus Airlines
01 Oct - 29 Nov	AJet	direct
21 Oct - 10 Nov	AJet	direct
28 Oct - 12 Nov	AJet	direct
31 Oct - 10 Nov	AJet	direct
06 Oct - 16 Oct	Pegasus Airlines
25 Oct - 02 Nov	Pegasus Airlines	direct
31 Oct - 30 Nov	Qatar Airways

Also check the deals for one-way flights from Istanbul to Tehran in October.

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 Istanbul to Tehran in October from 140€

Return flights