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

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

Return flights

31 Dec - 14 Jan Air France
01 Dec - 15 Dec Air France
28 Dec - 11 Jan KLM
05 Dec - 28 Dec Air France
31 Dec - 14 Jan Turkish Airlines direct
01 Dec - 15 Dec Turkish Airlines direct
21 Dec - 01 Jan British Airways
24 Dec - 03 Jan Lufthansa
28 Dec - 11 Jan Turkish Airlines direct
19 Dec - 03 Jan KLM
12 Dec - 03 Jan Lufthansa
05 Dec - 28 Dec Turkish Airlines direct
19 Dec - 05 Jan KLM
24 Dec - 03 Jan Turkish Airlines direct

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

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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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