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

Return flights

10 Sep - 17 Oct	Air China
03 Sep - 15 Oct	Air China
15 Sep - 12 Oct	China Eastern
22 Sep - 13 Oct	China Eastern
21 Sep - 12 Oct	China Eastern
25 Sep - 10 Oct	China Eastern
14 Sep - 05 Oct	China Eastern
21 Sep - 05 Oct	China Eastern
25 Sep - 13 Oct	China Eastern
15 Sep - 05 Oct	China Eastern
19 Sep - 29 Sep	Air China
04 Sep - 10 Sep	China Southern
09 Sep - 16 Sep	China Eastern
02 Sep - 16 Sep	China Eastern
11 Sep - 18 Sep	China Eastern
19 Sep - 27 Sep	Air China
03 Sep - 16 Sep	China Eastern
16 Sep - 21 Sep	China Southern
09 Sep - 21 Sep	China Southern
13 Sep - 24 Sep	China Southern

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 388€

Return flights