Cheapest return flights from San Francisco to Istanbul in May from 537€

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

Return flights

03 May - 12 May Scandinavian Airlines
03 May - 11 May Scandinavian Airlines
04 May - 11 May Lufthansa
05 May - 12 May Iberia
04 May - 12 May Lufthansa
10 May - 24 May Scandinavian Airlines
13 May - 27 May Delta
20 May - 27 May KLM
21 May - 25 May KLM
15 May - 29 May Air France
22 May - 23 Jun Air France
22 May - 23 Jun Turkish Airlines direct

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

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