Cheapest return flights from San Francisco to Istanbul in October from $894

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 October 2025 (see full year).

Return flights

28 Oct - 10 Nov British Airways
27 Oct - 09 Nov British Airways
28 Oct - 09 Nov British Airways
04 Oct - 18 Oct Delta
01 Oct - 15 Oct Turkish Airlines direct
06 Oct - 22 Oct Turkish Airlines direct
25 Oct - 30 Oct Hawaiian Airlines
27 Oct - 09 Nov Turkish Airlines direct
25 Oct - 30 Oct Turkish Airlines direct
04 Oct - 18 Oct Turkish Airlines direct
28 Oct - 10 Nov Turkish Airlines direct
28 Oct - 09 Nov Turkish Airlines direct
24 Oct - 26 Oct Delta
24 Oct - 26 Oct Turkish Airlines direct

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

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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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