AirHint found the following cheapest one-way flights from Istanbul (IST) to Tehran (IKA) in July 2025 (see full year).

One-Way flights

24 Jul	Sepehran Airlines	direct
31 Jul	AJet
30 Jul	AJet
25 Jul	Sepehran Airlines	direct
28 Jul	AJet
28 Jul	IranAir	direct
27 Jul	IranAir	direct
29 Jul	AJet	direct
26 Jul	IranAir	direct
30 Jul	AJet	direct

Also check the deals for return flights from Istanbul to Tehran in July.

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 one-way flights from Istanbul to Tehran in July from 119€

One-Way flights