AirHint found the following cheapest return flights from London (LCY) to Havana (HAV) in December 2025 (see full year).

Return flights

05 Dec - 14 Dec	KLM
07 Dec - 14 Dec	KLM
07 Dec - 15 Dec	KLM
04 Dec - 14 Dec	KLM
02 Dec - 22 Dec	KLM
02 Dec - 23 Dec	British Airways
12 Dec - 20 Dec	British Airways
02 Dec - 21 Dec	KLM
06 Dec - 13 Dec	SWISS
10 Dec - 17 Dec	British Airways
31 Dec - 15 Jan	Iberia
11 Dec - 11 Jan	Iberia
31 Dec - 14 Jan	Iberia
31 Dec - 08 Jan	Iberia
11 Dec - 01 Jan	Iberia
26 Dec - 06 Jan	KLM
30 Dec - 08 Jan	KLM
27 Dec - 06 Jan	KLM
30 Dec - 05 Jan	KLM
08 Dec - 08 Jan	KLM

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

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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Cheapest return flights from London to Havana in December from 860€

Return flights