Cheapest return flights from Hong Kong to London in December from $577

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

26 Dec - 09 Jan SWISS
23 Dec - 05 Jan SWISS
24 Dec - 03 Jan SWISS
17 Dec - 03 Jan SWISS
24 Dec - 04 Jan SWISS
09 Dec - 03 Jan SWISS
22 Dec - 04 Jan SWISS
12 Dec - 03 Jan SWISS
01 Dec - 12 Dec Finnair
09 Dec - 23 Dec Finnair
15 Dec - 30 Dec SWISS
22 Dec - 03 Jan SWISS
12 Dec - 27 Dec SWISS
13 Dec - 30 Dec SWISS
20 Dec - 03 Jan SWISS
23 Dec - 31 Dec Turkish Airlines
10 Dec - 26 Dec SWISS
17 Dec - 31 Dec SWISS
23 Dec - 29 Dec SWISS
21 Dec - 31 Dec SWISS

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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