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

07 Sep - 16 Sep	Asiana Airlines
18 Sep - 16 Oct	Asiana Airlines
10 Sep - 16 Oct	Korean Air
16 Sep - 20 Sep	Asiana Airlines
18 Sep - 25 Sep	Asiana Airlines
03 Sep - 24 Sep	Korean Air
04 Sep - 20 Sep	Asiana Airlines
07 Sep - 23 Sep	Asiana Airlines
08 Sep - 23 Sep	Asiana Airlines
10 Sep - 25 Sep	Asiana Airlines
04 Sep - 23 Sep	Asiana Airlines
04 Sep - 25 Sep	Asiana Airlines
01 Sep - 31 Oct	Asiana Airlines
28 Sep - 15 Oct	Philippine Airlines
03 Sep - 02 Oct	Philippine Airlines
07 Sep - 08 Oct	Philippine Airlines
08 Sep - 09 Oct	Philippine Airlines
25 Sep - 18 Oct	Asiana Airlines
26 Sep - 05 Oct	China Airlines
26 Sep - 24 Oct	China 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 585€

Return flights