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

Return flights

25 Sep - 09 Oct	China Southern
18 Sep - 09 Oct	China Southern
25 Sep - 12 Oct	China Southern
10 Sep - 17 Oct	Air China
18 Sep - 18 Oct	Air China
15 Sep - 07 Oct	China Eastern
16 Sep - 07 Oct	China Eastern
24 Sep - 07 Oct	China Eastern
19 Sep - 16 Oct	China Southern
22 Sep - 05 Oct	China Eastern
01 Sep - 10 Sep	Wizz Air UK
23 Sep - 29 Sep	Wizz Air UK
22 Sep - 30 Sep	Vueling Airlines
02 Sep - 11 Sep	Wizz Air UK
09 Sep - 24 Sep	Wizz Air UK
01 Sep - 08 Sep	Wizz Air UK
11 Sep - 25 Sep	Wizz Air Malta
17 Sep - 28 Sep	Wizz Air Malta
08 Sep - 22 Sep	Wizz Air Malta
19 Sep - 23 Sep	Wizz Air UK

Also check the deals for one-way flights from London 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 London to Ho Chi Minh City in September from 394€

Return flights