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

Return flights

01 Aug - 31 Aug	IndiGo
24 Aug - 31 Aug	IndiGo
04 Aug - 25 Aug	Finnair
03 Aug - 20 Aug	Finnair
03 Aug - 15 Sep	Finnair
11 Aug - 26 Aug	SWISS
05 Aug - 28 Aug	Finnair
03 Aug - 28 Aug	Finnair
04 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
26 Aug - 23 Sep	Hong Kong Airlines
09 Aug - 20 Aug	Finnair
16 Aug - 15 Sep	SWISS
13 Aug - 11 Sep	SWISS
17 Aug - 16 Sep	SWISS
17 Aug - 09 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.

Book a cheap hotel in London

Cheap car rent in London

Cheapest return flights from Hong Kong to London in August from 657€

Return flights