AirHint found the following cheapest return flights from London (LCY) to Ljubljana (LJU) in April 2026 (see full year).

Return flights

30 Apr - 04 May	SWISS
09 Apr - 10 Apr	SWISS
06 Apr - 09 Apr	SWISS
23 Apr - 26 Apr	Luxair
24 Apr - 01 May	Lufthansa
10 Apr - 15 Apr	Lufthansa
26 Apr - 03 May	KLM
03 Apr - 06 Apr	KLM
12 Apr - 15 Apr	KLM
02 Apr - 06 Apr	SWISS

Also check the deals for one-way flights from London to Ljubljana in April.

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 April from $376

Return flights