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

Return flights

01 Oct - 19 Oct	China Southern
01 Oct - 15 Oct	China Southern
01 Oct - 23 Oct	China Southern
01 Oct - 09 Oct	China Southern
01 Oct - 12 Oct	China Southern
29 Oct - 05 Nov	Air China
02 Oct - 16 Oct	China Southern
02 Oct - 23 Oct	China Southern
02 Oct - 09 Oct	China Southern
02 Oct - 15 Oct	China Southern
02 Oct - 12 Oct	China Southern
02 Oct - 30 Nov	China Southern
25 Oct - 07 Nov	Shenzhen Airlines
30 Oct - 05 Nov	Air China
30 Oct - 10 Nov	Air China
06 Oct - 05 Nov	Shenzhen Airlines
15 Oct - 05 Nov	Shenzhen Airlines
28 Oct - 18 Nov	China Southern
31 Oct - 07 Nov	China Southern
28 Oct - 19 Nov	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 430€

Return flights