Cheapest return flights from San Francisco to Istanbul in April from 624€

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

Return flights

21 Apr - 28 Apr Hawaiian Airlines
15 Apr - 24 Apr Hawaiian Airlines
21 Apr - 11 May Alaska Airlines
13 Apr - 27 Apr Scandinavian Airlines
16 Apr - 30 Apr Alaska Airlines
14 Apr - 23 Apr Alaska Airlines
17 Apr - 28 Apr Sun Country Airlines
08 Apr - 26 Apr WestJet
24 Apr - 10 May Scandinavian Airlines
06 Apr - 14 Apr KLM
14 Apr - 23 Apr Turkish Airlines direct
16 Apr - 30 Apr Turkish Airlines direct
24 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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