Cheapest return flights from San Francisco to Istanbul in April from $685

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

02 Apr - 09 Apr Delta
01 Apr - 08 Apr Lufthansa
30 Apr - 07 May WestJet
01 Apr - 15 Apr Lufthansa
05 Apr - 13 Apr Iberia
10 Apr - 18 Apr Air Canada
18 Apr - 26 Apr WestJet
04 Apr - 12 Apr Qatar Airways
11 Apr - 18 Apr Qatar Airways
11 Apr - 19 Apr Qatar Airways
17 Apr - 26 Apr Qatar Airways
30 Apr - 07 May Turkish Airlines direct

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

Skyscanner

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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