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

Return flights

04 Oct - 13 Oct	Air China
04 Oct - 11 Oct	Air China
20 Oct - 27 Oct	Air China
29 Oct - 12 Nov	Air China
04 Oct - 24 Oct	Air China
04 Oct - 20 Oct	Air China
28 Oct - 11 Nov	China Southern
30 Oct - 13 Nov	China Southern
30 Oct - 16 Nov	China Southern
28 Oct - 14 Nov	China Southern
28 Oct - 20 Nov	China Southern
22 Oct - 29 Oct	Shenzhen Airlines
20 Oct - 10 Nov	Shenzhen Airlines
29 Oct - 08 Nov	Shenzhen Airlines
26 Oct - 07 Nov	Shenzhen Airlines
25 Oct - 07 Nov	Shenzhen Airlines
04 Oct - 25 Oct	Shenzhen Airlines
13 Oct - 29 Oct	Shenzhen Airlines
13 Oct - 27 Oct	Shenzhen Airlines
02 Oct - 09 Oct	China Southern

Also check the deals for one-way flights from London 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 London to Ho Chi Minh City in October from $504

Return flights