AirHint found the following cheapest return flights from London (LCY) to Ho Chi Minh City (SGN) in September 2026 (see full year).

Return flights

10 Sep - 24 Sep	SWISS
10 Sep - 22 Sep	SWISS
10 Sep - 17 Sep	SWISS
17 Sep - 24 Sep	SWISS
06 Sep - 20 Sep	SWISS
01 Sep - 14 Sep	British Airways
26 Sep - 06 Oct	KLM
25 Sep - 02 Oct	KLM
16 Sep - 27 Sep	KLM
18 Sep - 02 Oct	KLM
03 Sep - 17 Sep	KLM
16 Sep - 03 Oct	KLM
01 Sep - 13 Sep	KLM
04 Sep - 20 Sep	KLM
27 Sep - 05 Oct	KLM
03 Sep - 01 Oct	KLM

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 804€

Return flights