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

Return flights

10 Mar - 24 Mar	Air France
08 Mar - 14 Mar	Air France
08 Mar - 15 Mar	Air France
07 Mar - 21 Mar	Air France
31 Mar - 25 Apr	Air France
07 Mar - 14 Mar	Air France
25 Mar - 15 Apr	KLM
21 Mar - 27 Mar	KLM
21 Mar - 28 Mar	KLM
10 Mar - 24 Mar	Turkish Airlines	direct
21 Mar - 27 Mar	Turkish Airlines	direct
31 Mar - 25 Apr	Turkish Airlines	direct
08 Mar - 15 Mar	Turkish Airlines	direct
25 Mar - 15 Apr	Turkish Airlines	direct

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

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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Cheapest return flights from San Francisco to Istanbul in March from 625€

Return flights