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

Return flights

04 Aug - 25 Aug	Finnair
03 Aug - 15 Sep	Finnair
05 Aug - 28 Aug	Finnair
03 Aug - 28 Aug	Finnair
05 Aug - 11 Sep	Finnair
03 Aug - 04 Sep	Finnair
05 Aug - 04 Sep	Finnair
05 Aug - 20 Aug	Finnair
11 Aug - 23 Sep	SWISS
09 Aug - 20 Aug	Finnair
12 Aug - 26 Aug	IndiGo
16 Aug - 30 Aug	SWISS
13 Aug - 28 Aug	SWISS
01 Aug - 30 Aug	SWISS
09 Aug - 21 Aug	Finnair
16 Aug - 15 Sep	SWISS
13 Aug - 11 Sep	SWISS
17 Aug - 16 Sep	SWISS
17 Aug - 09 Sep	SWISS
22 Aug - 05 Sep	China Eastern

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 662€

Return flights