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

Return flights

14 Apr - 21 Apr	SWISS
08 Apr - 14 Apr	SWISS
09 Apr - 15 Apr	SWISS
07 Apr - 14 Apr	SWISS
09 Apr - 16 Apr	SWISS
01 Apr - 07 Apr	SWISS
23 Apr - 30 Apr	SWISS
22 Apr - 27 Apr	SWISS
15 Apr - 19 Apr	SWISS
04 Apr - 09 Apr	SWISS
30 Apr - 04 May	SWISS
30 Apr - 03 May	SWISS
24 Apr - 01 May	Lufthansa

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 $266

Return flights