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

Return flights

10 Apr - 17 Apr	LOT
24 Apr - 09 May	LOT
02 Apr - 10 Apr	LOT
03 Apr - 10 Apr	LOT
01 Apr - 07 Apr	Brussels Airlines
02 Apr - 06 Apr	Lufthansa
02 Apr - 08 Apr	Lufthansa
02 Apr - 09 Apr	Lufthansa
09 Apr - 13 Apr	Lufthansa
01 Apr - 08 Apr	Brussels Airlines
22 Apr - 26 Apr	Lufthansa
28 Apr - 03 May	SWISS
24 Apr - 09 May	British Airways	direct

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 185€

Return flights