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

Return flights

16 May - 23 May	Lufthansa
16 May - 22 May	LOT
23 May - 30 May	Lufthansa
23 May - 28 May	Lufthansa
21 May - 25 May	Lufthansa
04 May - 08 May	Brussels Airlines
04 May - 08 May	British Airways	direct
09 May - 13 May	Brussels Airlines
30 May - 06 Jun	Brussels Airlines
26 May - 30 May	Brussels Airlines
07 May - 10 May	British Airways	direct
30 May - 07 Jun	LOT
30 May - 06 Jun	British Airways	direct
28 May - 01 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 182€

Return flights