AirHint found the following cheapest return flights from Hong Kong (HKG) to London (LHR) in August 2026 (see full year).

Return flights

11 Aug - 23 Sep	SWISS
04 Aug - 24 Sep	Singapore Airlines
16 Aug - 29 Aug	SWISS
13 Aug - 28 Aug	SWISS
17 Aug - 02 Sep	SWISS
09 Aug - 26 Aug	Finnair
06 Aug - 22 Aug	Finnair
17 Aug - 16 Sep	SWISS
17 Aug - 09 Sep	SWISS
12 Aug - 25 Aug	Singapore Airlines
10 Aug - 30 Sep	Singapore Airlines
19 Aug - 29 Aug	Singapore Airlines
12 Aug - 26 Aug	Singapore Airlines
11 Aug - 26 Aug	Singapore Airlines
18 Aug - 26 Aug	Singapore Airlines
01 Aug - 20 Aug	Finnair
19 Aug - 02 Sep	Singapore Airlines
19 Aug - 08 Sep	Singapore Airlines
25 Aug - 28 Sep	Singapore Airlines
20 Aug - 08 Sep	SWISS

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

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 August from $780

Return flights