Cheapest return flights from San Francisco to Istanbul in May from $831

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 May 2025 (see full year).

Return flights

01 May - 08 May TAP
21 May - 27 May Alaska Airlines
02 May - 16 May Frontier Airlines
13 May - 03 Jun Alaska Airlines
14 May - 04 Jun Air Canada
31 May - 02 Jun WestJet
28 May - 11 Jun WestJet
15 May - 22 May WestJet
11 May - 25 May Vueling Airlines
05 May - 21 May Lufthansa
01 May - 08 May Turkish Airlines direct
05 May - 21 May Turkish Airlines direct
13 May - 03 Jun Turkish Airlines direct
02 May - 16 May Turkish Airlines direct
21 May - 27 May Turkish Airlines direct
14 May - 04 Jun Turkish Airlines direct
31 May - 02 Jun Turkish Airlines direct
28 May - 11 Jun Turkish Airlines direct

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

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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