AirHint found the following cheapest return flights from Istanbul (IST) to Ho Chi Minh City (SGN) in September 2025 (see full year).

Return flights

20 Sep - 30 Sep	Pegasus Airlines
13 Sep - 25 Sep	Pegasus Airlines
13 Sep - 30 Sep	Pegasus Airlines
15 Sep - 30 Sep	Pegasus Airlines
02 Sep - 09 Sep	Flynas
20 Sep - 27 Sep	Pegasus Airlines
10 Sep - 11 Sep	Turkish Airlines
26 Sep - 30 Sep	AJet
20 Sep - 25 Sep	Flynas
02 Sep - 18 Sep	Turkmenistan Airlines
02 Sep - 01 Oct	Turkmenistan Airlines
22 Sep - 02 Oct	Turkmenistan Airlines
29 Sep - 07 Oct	Pegasus Airlines
20 Sep - 02 Oct	Thai Airways
24 Sep - 11 Oct	Pegasus Airlines
24 Sep - 12 Oct	Pegasus Airlines
30 Sep - 31 Oct	Thai Airways
24 Sep - 10 Oct	Thai Airways
24 Sep - 11 Oct	Vietnam Airlines	direct
22 Sep - 28 Oct	China Southern

Also check the deals for one-way flights from Istanbul to Ho Chi Minh City 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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Cheapest return flights from Istanbul to Ho Chi Minh City in September from 435€

Return flights