Cheapest return flights from San Francisco to Istanbul in December from 539€

AirHint found the following cheapest return flights from San Francisco (SFO) to Istanbul (IST) in December 2025 (see full year).

Return flights

02 Dec - 09 Dec Lufthansa
29 Dec - 13 Jan SWISS
09 Dec - 16 Dec Lufthansa
29 Dec - 12 Jan Air France
09 Dec - 13 Jan British Airways
06 Dec - 22 Jan Air France
06 Dec - 23 Jan Air France
07 Dec - 27 Dec KLM
06 Dec - 16 Dec British Airways
04 Dec - 11 Dec British Airways
05 Dec - 22 Dec British Airways
05 Dec - 15 Dec British Airways
03 Dec - 16 Dec TAP
06 Dec - 14 Dec TAP
01 Dec - 07 Dec TAP
14 Dec - 27 Jan Hawaiian Airlines
14 Dec - 12 Jan Hawaiian Airlines
16 Dec - 15 Jan Aer Lingus
13 Dec - 10 Jan Hawaiian Airlines
06 Dec - 23 Jan Turkish Airlines direct

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

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