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

Return flights

03 Apr - 08 Apr	SWISS
22 Apr - 28 Apr	SWISS
17 Apr - 21 Apr	SWISS
24 Apr - 29 Apr	SWISS
16 Apr - 19 Apr	Luxair
18 Apr - 21 Apr	SWISS
25 Apr - 29 Apr	SWISS
23 Apr - 29 Apr	SWISS
16 Apr - 21 Apr	SWISS
10 Apr - 13 Apr	SWISS
25 Apr - 01 May	SWISS
27 Apr - 04 May	Lufthansa
27 Apr - 03 May	Lufthansa
24 Apr - 03 May	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 232€

Return flights