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

Return flights

30 Dec - 28 Jan	China Eastern
31 Dec - 25 Jan	China Southern
30 Dec - 29 Jan	China Eastern
31 Dec - 28 Jan	Air China
31 Dec - 20 Jan	China Southern
30 Dec - 20 Jan	Air China
28 Dec - 27 Jan	AJet
28 Dec - 28 Jan	AJet
29 Dec - 23 Jan	Wizz Air UK
28 Dec - 13 Jan	AJet
28 Dec - 31 Dec	AJet
27 Dec - 30 Dec	AJet
22 Dec - 27 Dec	Air China
25 Dec - 28 Dec	China Southern
24 Dec - 28 Dec	Turkmenistan Airlines
24 Dec - 30 Dec	Air China
22 Dec - 31 Dec	Air China
24 Dec - 29 Dec	Turkmenistan Airlines
23 Dec - 27 Dec	Air China
24 Dec - 31 Dec	Turkmenistan Airlines

Also check the deals for one-way flights from London to Ho Chi Minh City in December.

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 December from 508€

Return flights