Cheapest return flights from San Francisco to Istanbul in August from $640

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

Return flights

19 Aug - 19 Sep Hawaiian Airlines
23 Aug - 17 Sep Frontier Airlines
11 Aug - 08 Sep Frontier Airlines
28 Aug - 11 Sep Hawaiian Airlines
18 Aug - 27 Aug Hawaiian Airlines
22 Aug - 17 Sep Frontier Airlines
06 Aug - 26 Sep ITA Airways
23 Aug - 26 Aug Frontier Airlines
31 Aug - 14 Sep Hawaiian Airlines
20 Aug - 27 Aug Hawaiian Airlines
24 Aug - 07 Sep Frontier Airlines
20 Aug - 28 Aug Hawaiian Airlines
07 Aug - 27 Aug Hawaiian Airlines
25 Aug - 29 Aug Hawaiian Airlines
08 Aug - 22 Aug Hawaiian Airlines
04 Aug - 01 Sep ITA Airways
13 Aug - 28 Aug Air France
11 Aug - 20 Aug Aer Lingus
18 Aug - 24 Aug Scandinavian Airlines
30 Aug - 12 Sep Delta

Also check the deals for one-way flights from San Francisco to Istanbul in August.

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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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