Cheapest return flights from Hong Kong to London in December from $509

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

01 Dec - 09 Dec Finnair
04 Dec - 09 Dec Finnair
03 Dec - 10 Dec Finnair
01 Dec - 07 Dec Finnair
04 Dec - 07 Dec Finnair
07 Dec - 09 Jan Finnair
08 Dec - 14 Jan Finnair
03 Dec - 08 Dec Finnair
04 Dec - 10 Dec Finnair
26 Dec - 09 Jan Lufthansa
01 Dec - 06 Dec Finnair
29 Dec - 12 Jan Finnair
30 Dec - 08 Jan Finnair
30 Dec - 15 Jan Finnair
24 Dec - 10 Jan SWISS
23 Dec - 14 Jan SWISS
30 Dec - 18 Jan Finnair
28 Dec - 09 Jan Lufthansa
05 Dec - 10 Dec Finnair
10 Dec - 18 Dec Finnair

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

Skyscanner

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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