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

Return flights

22 Dec - 06 Jan	SWISS
01 Dec - 06 Dec	Croatia Airlines
08 Dec - 13 Dec	Air Serbia
20 Dec - 04 Jan	SWISS
29 Dec - 04 Jan	Croatia Airlines
30 Dec - 04 Jan	Croatia Airlines
28 Dec - 04 Jan	Croatia Airlines
12 Dec - 15 Dec	Croatia Airlines
09 Dec - 13 Dec	Croatia Airlines
03 Dec - 07 Dec	SWISS
27 Dec - 04 Jan	SWISS
05 Dec - 07 Dec	Croatia Airlines
30 Dec - 05 Jan	Turkish Airlines
27 Dec - 31 Dec	SWISS
20 Dec - 27 Dec	SWISS

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

Book a cheap hotel in London

Cheap car rent in London

Cheapest return flights from Split to London in December from 177€

Return flights