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

Return flights

19 Aug - 02 Sep	Finnair
12 Aug - 20 Aug	Finnair
11 Aug - 20 Aug	Finnair
11 Aug - 21 Aug	Finnair
12 Aug - 25 Aug	Finnair
02 Aug - 23 Aug	Finnair
12 Aug - 23 Aug	Finnair
13 Aug - 20 Aug	Finnair
19 Aug - 29 Aug	Finnair
01 Aug - 22 Aug	Finnair
12 Aug - 19 Aug	Finnair
28 Aug - 07 Sep	Finnair
26 Aug - 13 Sep	Finnair
26 Aug - 13 Sep	Cathay Pacific	direct
28 Aug - 07 Sep	Cathay Pacific	direct
20 Aug - 03 Sep	Air Canada

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 $760

Return flights