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

Return flights

05 Oct - 23 Oct	Philippine Airlines
14 Oct - 23 Oct	Philippine Airlines
05 Oct - 16 Oct	Philippine Airlines
14 Oct - 22 Oct	Philippine Airlines
21 Oct - 19 Nov	Philippine Airlines
08 Oct - 12 Nov	Philippine Airlines
07 Oct - 12 Nov	Philippine Airlines
08 Oct - 13 Nov	Philippine Airlines
22 Oct - 31 Oct	Asiana Airlines
23 Oct - 29 Oct	Asiana Airlines
23 Oct - 27 Oct	Asiana Airlines
22 Oct - 12 Nov	Asiana Airlines
23 Oct - 01 Nov	Asiana Airlines
16 Oct - 20 Oct	China Eastern
23 Oct - 17 Nov	Asiana Airlines
25 Oct - 06 Nov	China Eastern
15 Oct - 23 Oct	Korean Air
15 Oct - 19 Oct	Korean Air
22 Oct - 16 Nov	Korean Air
15 Oct - 06 Nov	Korean Air

Also check the deals for one-way flights from San Francisco to Ho Chi Minh City in October.

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 October from $646

Return flights