Cheapest return flights from Hong Kong to London in December from $614

Best time to book flights for Hong Kong (HKG) to London (LHR) flights at AirHint

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

Return flights

03 Dec - 10 Dec Finnair
25 Dec - 18 Jan SWISS
25 Dec - 13 Jan SWISS
24 Dec - 15 Jan SWISS
25 Dec - 02 Jan Royal Brunei
28 Dec - 10 Jan Finnair
23 Dec - 11 Jan Lufthansa
27 Dec - 17 Jan Finnair
28 Dec - 14 Jan SWISS
22 Dec - 11 Jan KLM
24 Dec - 03 Jan Lufthansa
04 Dec - 16 Dec Finnair
08 Dec - 15 Dec Finnair
05 Dec - 15 Dec Finnair
02 Dec - 04 Dec Singapore Airlines
25 Dec - 28 Dec British Airways direct
24 Dec - 28 Dec British Airways direct
18 Dec - 28 Dec British Airways direct
18 Dec - 29 Dec British Airways direct
16 Dec - 29 Dec British Airways direct

Also check the deals for one-way flights from Hong Kong to London in December.

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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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