Cheapest return flights from San Francisco to Istanbul in April from $804

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 April 2025 (see full year).

Return flights

01 Apr - 06 Apr Lufthansa
15 Apr - 13 May Iberia
03 Apr - 10 Apr ITA Airways
06 Apr - 13 Apr Vueling Airlines
08 Apr - 06 May Delta
09 Apr - 07 May Delta
12 Apr - 17 Apr Porter Airlines (Canada) Ltd
23 Apr - 15 May Delta
17 Apr - 18 May Air Canada
29 Apr - 11 May Delta
13 Apr - 20 Apr Qatar Airways
19 Apr - 27 Apr Qatar Airways
19 Apr - 26 Apr Iberia
11 Apr - 09 May Delta
19 Apr - 26 Apr Turkish Airlines direct
03 Apr - 10 Apr Turkish Airlines direct
15 Apr - 13 May Turkish Airlines direct
13 Apr - 20 Apr Turkish Airlines direct
17 Apr - 18 May Turkish Airlines direct

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

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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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