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

Return flights

07 Aug - 22 Aug	China Eastern
01 Aug - 31 Aug	China Eastern
06 Aug - 20 Aug	China Eastern
06 Aug - 28 Aug	China Eastern
04 Aug - 22 Aug	China Eastern
05 Aug - 23 Aug	China Eastern
16 Aug - 30 Aug	T'way Air
03 Aug - 25 Aug	Turkish Airlines
03 Aug - 27 Aug	Turkish Airlines
03 Aug - 14 Aug	Turkish Airlines
18 Aug - 01 Sep	Qatar Airways
19 Aug - 01 Sep	Air China
11 Aug - 06 Sep	Air China
01 Aug - 20 Sep	Air China
06 Aug - 13 Sep	Air China
12 Aug - 29 Sep	Air China
08 Aug - 06 Sep	Air China
13 Aug - 09 Sep	Air China
11 Aug - 10 Sep	Air China
18 Aug - 12 Sep	Air China

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 $698

Return flights