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

Return flights

15 Dec - 22 Dec	Lufthansa
06 Dec - 08 Dec	SWISS
17 Dec - 05 Jan	SWISS
06 Dec - 13 Dec	SWISS
11 Dec - 14 Dec	ITA Airways
01 Dec - 16 Dec	ITA Airways
17 Dec - 04 Jan	Lufthansa
24 Dec - 01 Jan	Lufthansa
24 Dec - 31 Dec	Lufthansa
12 Dec - 19 Dec	ITA Airways
16 Dec - 04 Jan	Lufthansa
15 Dec - 04 Jan	Lufthansa
26 Dec - 29 Dec	KLM
13 Dec - 15 Dec	SWISS
12 Dec - 22 Dec	ITA Airways
23 Dec - 11 Jan	Lufthansa
29 Dec - 06 Jan	Lufthansa
26 Dec - 07 Jan	Air Dolomiti
24 Dec - 04 Jan	Lufthansa
27 Dec - 07 Jan	ITA Airways

Also check the deals for one-way flights from London to Split 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 Split in December from $301

Return flights