AirHint found the following cheapest return flights from London (LTN) to Ljubljana (LJU) in December 2025 (see full year).

Return flights

06 Dec - 10 Dec	Wizz Air UK
06 Dec - 08 Dec	Wizz Air UK
06 Dec - 07 Dec	Wizz Air UK
06 Dec - 09 Dec	Wizz Air UK
10 Dec - 14 Dec	Wizz Air UK
11 Dec - 14 Dec	easyJet
12 Dec - 16 Dec	Wizz Air UK
06 Dec - 11 Dec	Wizz Air UK
07 Dec - 10 Dec	easyJet
31 Dec - 30 Jan	Wizz Air Malta
31 Dec - 07 Jan	Wizz Air Malta
14 Dec - 16 Dec	easyJet
14 Dec - 11 Jan	easyJet
13 Dec - 10 Jan	easyJet
18 Dec - 09 Jan	easyJet
18 Dec - 01 Jan	easyJet
30 Dec - 01 Jan	Wizz Air Malta
31 Dec - 03 Jan	Wizz Air Malta
14 Dec - 04 Jan	easyJet
29 Dec - 01 Jan	Wizz Air Malta

Also check the deals for one-way flights from London to Ljubljana 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 Ljubljana in December from 118€

Return flights