Cheapest return flights from San Francisco to Istanbul in April from 517€

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

Return flights

19 Apr - 28 Apr Scandinavian Airlines
14 Apr - 28 Apr Scandinavian Airlines
13 Apr - 27 Apr Scandinavian Airlines
30 Apr - 10 May Scandinavian Airlines
01 Apr - 15 Apr Lufthansa
09 Apr - 17 Apr Scandinavian Airlines
07 Apr - 19 Apr Scandinavian Airlines
01 Apr - 30 Apr Lufthansa
01 Apr - 09 Apr Air France
10 Apr - 24 Apr Air France
10 Apr - 18 Apr Austrian Airlines
30 Apr - 10 May Turkish Airlines direct

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

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