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

Return flights

29 Aug - 11 Sep	KLM
29 Aug - 15 Sep	KLM
28 Aug - 10 Sep	KLM
14 Aug - 11 Sep	KLM
19 Aug - 24 Sep	KLM
29 Aug - 05 Sep	SWISS
18 Aug - 27 Aug	ITA Airways
29 Aug - 07 Sep	KLM
22 Aug - 07 Sep	KLM
23 Aug - 07 Sep	KLM
20 Aug - 27 Aug	KLM
26 Aug - 31 Aug	SWISS
10 Aug - 25 Aug	KLM
11 Aug - 23 Aug	SWISS
02 Aug - 14 Aug	KLM
18 Aug - 31 Aug	KLM
08 Aug - 17 Aug	KLM
23 Aug - 27 Aug	KLM
11 Aug - 21 Aug	KLM
16 Aug - 01 Sep	KLM

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

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Cheapest return flights from London to Havana in August from 927€

Return flights