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

15 Oct - 06 Nov	Asiana Airlines
15 Oct - 19 Nov	Asiana Airlines
21 Oct - 27 Oct	Asiana Airlines
23 Oct - 29 Oct	Asiana Airlines
21 Oct - 28 Oct	Asiana Airlines
22 Oct - 29 Oct	Asiana Airlines
05 Oct - 18 Nov	Asiana Airlines
08 Oct - 30 Oct	Asiana Airlines
16 Oct - 22 Oct	Asiana Airlines
23 Oct - 13 Nov	Asiana Airlines
08 Oct - 31 Oct	Asiana Airlines
01 Oct - 29 Oct	Philippine Airlines
07 Oct - 22 Oct	Philippine Airlines
08 Oct - 22 Oct	Philippine Airlines
02 Oct - 01 Nov	China Airlines
03 Oct - 02 Nov	China Airlines
25 Oct - 08 Nov	China Airlines
24 Oct - 14 Nov	China Airlines
18 Oct - 01 Nov	China Airlines

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 583€

Return flights