AirHint found the following cheapest return flights from London (LON) to Ljubljana (LJU) in June 2025 (see full year).

Return flights

24 Jun - 02 Jul	easyJet	direct
24 Jun - 27 Jun	easyJet
25 Jun - 02 Jul	easyJet	direct
30 Jun - 02 Jul	easyJet	direct
21 Jun - 23 Jun	Air Serbia
18 Jun - 23 Jun	easyJet
25 Jun - 27 Jun	easyJet
18 Jun - 20 Jun	easyJet
14 Jun - 16 Jun	Air Serbia
14 Jun - 17 Jun	Air Serbia
24 Jun - 26 Jun	easyJet	direct
30 Jun - 03 Jul	easyJet	direct
17 Jun - 20 Jun	Air Serbia
18 Jun - 26 Jun	easyJet	direct
25 Jun - 03 Jul	easyJet	direct
24 Jun - 01 Jul	SWISS
21 Jun - 03 Jul	Air Serbia
29 Jun - 04 Jul	Wizz Air UK
25 Jun - 18 Jul	easyJet
25 Jun - 18 Jul	easyJet	direct

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 $208

Return flights