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

Return flights

02 Sep - 19 Oct	Singapore Airlines
08 Sep - 15 Sep	Singapore Airlines
10 Sep - 23 Sep	Singapore Airlines
17 Sep - 23 Sep	Singapore Airlines
16 Sep - 30 Sep	Singapore Airlines
01 Sep - 29 Sep	Singapore Airlines
16 Sep - 07 Oct	Air India
03 Sep - 09 Oct	Air India
07 Sep - 22 Oct	Air India
08 Sep - 23 Oct	Air India
01 Sep - 09 Oct	Air India
01 Sep - 22 Sep	Air India
03 Sep - 24 Sep	Air India
08 Sep - 30 Sep	Air India
18 Sep - 24 Sep	Air India
18 Sep - 11 Oct	Air India
06 Sep - 13 Sep	Air India
28 Sep - 07 Oct	Air India
27 Sep - 02 Oct	Air India
29 Sep - 17 Oct	Asiana Airlines

Also check the deals for one-way flights from San Francisco 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 San Francisco to Ho Chi Minh City in September from $627

Return flights