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

Return flights

25 Aug - 09 Sep	Turkish Airlines
15 Aug - 29 Aug	Turkish Airlines
25 Aug - 08 Sep	Turkish Airlines
10 Aug - 25 Aug	Turkish Airlines
29 Aug - 11 Sep	Emirates
02 Aug - 10 Aug	Turkish Airlines
01 Aug - 09 Aug	ITA Airways

Also check the deals for one-way flights from San Francisco 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 San Francisco to Tehran in August from 826€

Return flights