AirHint found the following cheapest return flights from Hong Kong (HKG) to London (LHR) in October 2025 (see full year).

Return flights

29 Oct - 12 Nov	Finnair
30 Oct - 10 Nov	Finnair
30 Oct - 11 Nov	Finnair
30 Oct - 19 Nov	Finnair
29 Oct - 19 Nov	Finnair
28 Oct - 10 Nov	Finnair
22 Oct - 24 Nov	Finnair
28 Oct - 12 Nov	Finnair
07 Oct - 06 Nov	SWISS
27 Oct - 07 Nov	SWISS
14 Oct - 28 Oct	SWISS
19 Oct - 29 Oct	China Southern
16 Oct - 29 Oct	SWISS
15 Oct - 29 Oct	SWISS
15 Oct - 25 Oct	SWISS
22 Oct - 29 Oct	Lufthansa
23 Oct - 26 Oct	Turkish Airlines
23 Oct - 30 Oct	China Southern
07 Oct - 21 Oct	Turkish Airlines
14 Oct - 21 Oct	Turkish Airlines

Also check the deals for one-way flights from Hong Kong to London in October.

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 Hong Kong to London in October from $548

Return flights