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

Return flights

31 May - 04 Jun	Ryanair
11 May - 14 May	Ryanair
09 May - 14 May	Ryanair
12 May - 14 May	Ryanair
08 May - 14 May	Ryanair
30 May - 04 Jun	Ryanair
06 May - 12 May	Ryanair
13 May - 14 May	Ryanair
27 May - 04 Jun	Ryanair
07 May - 11 May	Ryanair
31 May - 05 Jun	Ryanair
09 May - 12 May	Ryanair
04 May - 08 May	Ryanair
09 May - 17 May	Ryanair
31 May - 07 Jun	Ryanair
31 May - 10 Jun	Ryanair
29 May - 05 Jun	Ryanair
31 May - 06 Jun	Ryanair
29 May - 06 Jun	Ryanair
30 May - 09 Jun	Ryanair

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 144€

Return flights