Cheapest return SFO–IST flights, October

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

Return flights

20 Oct - 03 Nov Delta
27 Oct - 10 Nov Delta
07 Oct - 14 Oct Delta
06 Oct - 20 Oct Delta
30 Oct - 13 Nov Delta
07 Oct - 14 Oct Turkish Airlines direct
06 Oct - 20 Oct Turkish Airlines direct
20 Oct - 03 Nov Turkish Airlines direct
27 Oct - 10 Nov Turkish Airlines direct
30 Oct - 13 Nov Turkish Airlines direct

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

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