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

Return flights

16 Oct - 22 Oct	Air China
16 Oct - 21 Oct	Air China
16 Oct - 23 Oct	Air China
15 Oct - 25 Oct	Air China
16 Oct - 20 Oct	Air China
12 Oct - 25 Oct	Air China
14 Oct - 25 Oct	Air China
12 Oct - 24 Oct	Air China
13 Oct - 20 Oct	Air China
14 Oct - 22 Oct	Air China
16 Oct - 16 Nov	China Eastern
07 Oct - 09 Nov	SWISS
07 Oct - 04 Nov	SWISS
21 Oct - 04 Nov	Singapore Airlines
09 Oct - 09 Nov	Singapore Airlines
23 Oct - 04 Nov	Singapore Airlines
27 Oct - 09 Nov	HK Express
25 Oct - 03 Nov	China Eastern
25 Oct - 01 Nov	Air China
21 Oct - 03 Nov	Qatar Airways

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 420€

Return flights