Cheapest return flights from San Francisco to Istanbul in September from 739€

AirHint found the following cheapest return flights from San Francisco (SFO) to Istanbul (IST) in September 2026 (see full year).

Return flights

03 Sep - 30 Sep Scandinavian Airlines
25 Sep - 10 Oct Alaska Airlines
22 Sep - 01 Oct Scandinavian Airlines
20 Sep - 06 Oct SWISS
23 Sep - 01 Oct KLM
10 Sep - 30 Sep Delta
03 Sep - 30 Sep Turkish Airlines direct
23 Sep - 01 Oct Turkish Airlines direct
22 Sep - 01 Oct Turkish Airlines direct
25 Sep - 10 Oct Turkish Airlines direct

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

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