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

Return flights

28 Dec - 07 Jan	Wizz Air
24 Dec - 06 Jan	Wizz Air Malta
26 Dec - 31 Dec	Wizz Air UK
26 Dec - 30 Dec	Wizz Air UK
26 Dec - 29 Dec	Wizz Air UK
24 Dec - 27 Dec	easyJet
25 Dec - 29 Dec	Wizz Air Malta
27 Dec - 29 Dec	Ryanair
26 Dec - 28 Dec	Wizz Air UK
27 Dec - 06 Jan	Wizz Air UK
29 Dec - 01 Jan	Ryanair
27 Dec - 30 Dec	Ryanair
29 Dec - 31 Dec	Ryanair
26 Dec - 04 Jan	Wizz Air UK
27 Dec - 04 Jan	Ryanair
24 Dec - 29 Dec	easyJet
31 Dec - 02 Jan	Wizz Air Malta
28 Dec - 01 Jan	easyJet
31 Dec - 05 Jan	easyJet
26 Dec - 02 Jan	Wizz Air UK

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 297€

Return flights