Cheapest return flights from San Francisco to Istanbul in September from $848

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

01 Sep - 17 Sep Air Canada
03 Sep - 17 Sep Air Canada
30 Sep - 14 Oct Qatar Airways
03 Sep - 13 Sep Qatar Airways
30 Sep - 14 Oct Turkish Airlines direct
03 Sep - 17 Sep Turkish Airlines direct
01 Sep - 17 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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