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

Return flights

02 Jun - 08 Jun	KLM
05 Jun - 10 Jun	Lufthansa
03 Jun - 08 Jun	KLM
05 Jun - 08 Jun	KLM
09 Jun - 17 Jun	KLM
11 Jun - 17 Jun	KLM
10 Jun - 17 Jun	KLM
11 Jun - 18 Jun	KLM
05 Jun - 12 Jun	Lufthansa
12 Jun - 16 Jun	SWISS
20 Jun - 20 Jul	KLM
29 Jun - 06 Jul	SWISS
27 Jun - 05 Jul	Luxair
27 Jun - 01 Jul	SWISS
27 Jun - 06 Jul	SWISS
27 Jun - 02 Jul	KLM
29 Jun - 03 Jul	SWISS
29 Jun - 02 Jul	KLM
30 Jun - 03 Jul	KLM
27 Jun - 03 Jul	SWISS

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

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 June from 217€

Return flights