AirHint found the following cheapest return flights from San Francisco (SFO) to Ho Chi Minh City (SGN) in September 2026 (see full year).

Return flights

23 Sep - 21 Oct	China Southern
18 Sep - 04 Oct	China Southern
05 Sep - 19 Sep	Singapore Airlines
03 Sep - 24 Sep	Singapore Airlines
22 Sep - 20 Oct	Singapore Airlines
01 Sep - 12 Sep	Singapore Airlines
02 Sep - 13 Sep	Korean Air
04 Sep - 11 Sep	Korean Air
12 Sep - 31 Oct	Korean Air
23 Sep - 21 Oct	Vietnam Airlines	direct
02 Sep - 13 Sep	Vietnam Airlines	direct
05 Sep - 19 Sep	Vietnam Airlines	direct
12 Sep - 31 Oct	Vietnam Airlines	direct

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 $468

Return flights