Cheapest return flights from San Francisco to Istanbul in September from 854€

Best time to book flights for San Francisco (SFO) to Istanbul (IST) flights at AirHint

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

Return flights

16 Sep - 30 Sep Delta
09 Sep - 23 Sep Delta
22 Sep - 27 Sep TAP
08 Sep - 22 Sep Delta
06 Sep - 20 Sep Delta
16 Sep - 22 Sep Delta
16 Sep - 30 Sep Turkish Airlines direct
09 Sep - 23 Sep Turkish Airlines direct
05 Sep - 11 Sep Delta
08 Sep - 22 Sep Turkish Airlines direct

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

Skyscanner

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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