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

Return flights

30 Sep - 14 Oct	Air China
25 Sep - 16 Oct	Air China
27 Sep - 18 Oct	Shenzhen Airlines
24 Sep - 15 Oct	Shenzhen Airlines
23 Sep - 14 Oct	Air India
28 Sep - 12 Oct	China Eastern
29 Sep - 20 Oct	China Eastern
25 Sep - 15 Oct	China Eastern
18 Sep - 23 Oct	China Eastern
22 Sep - 29 Sep	China Eastern
18 Sep - 25 Sep	Air India
30 Sep - 21 Oct	China Eastern
19 Sep - 26 Sep	Shenzhen Airlines
24 Sep - 30 Sep	Wizz Air UK
26 Sep - 30 Sep	Pegasus Airlines
21 Sep - 29 Sep	Pegasus Airlines
24 Sep - 27 Sep	Ryanair
18 Sep - 27 Sep	Pegasus Airlines
23 Sep - 29 Sep	Ryanair
18 Sep - 28 Sep	Pegasus Airlines

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 $514

Return flights