Cheapest return flights from Istanbul to San Francisco in May from $518

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

Return flights

05 May - 13 May Air France
16 May - 27 May KLM
01 May - 08 May Air France
03 May - 18 May Scandinavian Airlines
15 May - 28 May Delta
15 May - 31 May Delta
22 May - 31 May Delta
09 May - 16 May Scandinavian Airlines
16 May - 30 May Delta
15 May - 30 May Delta
15 May - 05 Jun Delta
15 May - 05 Jun Turkish Airlines direct

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

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