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

Return flights

04 May - 11 May	Brussels Airlines
05 May - 09 May	Brussels Airlines
29 May - 02 Jun	Brussels Airlines
25 May - 02 Jun	Lufthansa
14 May - 18 May	Lufthansa
25 May - 30 May	Lufthansa
14 May - 21 May	Lufthansa
23 May - 28 May	Lufthansa
16 May - 20 May	Lufthansa
14 May - 19 May	Lufthansa
30 May - 07 Jun	Brussels Airlines
08 May - 23 May	Brussels Airlines
05 May - 13 May	Brussels Airlines
28 May - 07 Jun	Lufthansa
28 May - 07 Jun	British Airways	direct
29 May - 02 Jun	British Airways	direct

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

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 May from 188€

Return flights