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

Return flights

16 Aug - 26 Aug	SWISS
07 Aug - 11 Sep	Turkish Airlines
07 Aug - 04 Sep	Turkish Airlines
16 Aug - 25 Aug	SWISS
11 Aug - 27 Aug	China Eastern
14 Aug - 04 Sep	China Eastern
13 Aug - 09 Sep	China Eastern
07 Aug - 19 Aug	Lufthansa
07 Aug - 27 Aug	Lufthansa
13 Aug - 31 Aug	China Eastern
07 Aug - 17 Sep	Lufthansa
15 Aug - 04 Sep	China Southern
14 Aug - 08 Sep	China Southern
12 Aug - 04 Sep	China Eastern
11 Aug - 11 Sep	China Eastern
06 Aug - 04 Sep	China Eastern
10 Aug - 31 Aug	China Eastern
01 Aug - 08 Aug	China Eastern
10 Aug - 26 Aug	China Eastern
12 Aug - 20 Aug	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.

Book a cheap hotel in London

Cheap car rent in London

Cheapest return flights from Hong Kong to London in August from $690

Return flights