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

Return flights

06 Dec - 13 Dec	Austrian Airlines
05 Dec - 08 Dec	Lufthansa
05 Dec - 12 Dec	Lufthansa
06 Dec - 10 Dec	Croatia Airlines
29 Dec - 05 Jan	SWISS
12 Dec - 15 Dec	Lufthansa
24 Dec - 27 Dec	Austrian Airlines
05 Dec - 07 Dec	Croatia Airlines
02 Dec - 09 Dec	LOT
01 Dec - 08 Dec	SWISS
26 Dec - 29 Dec	SWISS
29 Dec - 28 Jan	Croatia Airlines
19 Dec - 09 Jan	SWISS
28 Dec - 05 Jan	Lufthansa
27 Dec - 01 Jan	Austrian Airlines
29 Dec - 02 Jan	Croatia Airlines
19 Dec - 01 Jan	SWISS
27 Dec - 04 Jan	Croatia Airlines
28 Dec - 04 Jan	Austrian Airlines
28 Dec - 01 Jan	Lufthansa

Also check the deals for one-way flights from London to Dubrovnik 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 Dubrovnik in December from 180€

Return flights