Cheapest return flights from San Francisco to Istanbul in September from 542€
AirHint found the following cheapest return flights from San Francisco (SFO) to Istanbul (IST)
in September 2025 (see full year ).
Return flights
22 Sep
- 29 Sep
Hawaiian Airlines
542 €
03 Sep
- 17 Sep
Hawaiian Airlines
592 €
29 Sep
- 14 Oct
Hawaiian Airlines
592 €
09 Sep
- 23 Sep
Hawaiian Airlines
598 €
11 Sep
- 18 Sep
Hawaiian Airlines
600 €
03 Sep
- 10 Sep
Hawaiian Airlines
602 €
08 Sep
- 12 Sep
Hawaiian Airlines
609 €
19 Sep
- 01 Oct
Frontier Airlines
611 €
04 Sep
- 08 Sep
Hawaiian Airlines
623 €
20 Sep
- 30 Sep
Frontier Airlines
628 €
08 Sep
- 15 Sep
SWISS
631 €
29 Sep
- 13 Oct
SWISS
631 €
19 Sep
- 05 Oct
Frontier Airlines
641 €
08 Sep
- 22 Sep
Hawaiian Airlines
643 €
26 Sep
- 06 Oct
Frontier Airlines
646 €
19 Sep
- 01 Oct
Turkish Airlines
655 €
direct
30 Sep
- 15 Oct
Turkish Airlines
694 €
direct
26 Sep
- 06 Oct
Turkish Airlines
741 €
direct
Also check the deals for one-way flights from San Francisco to Istanbul in September .
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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