Cheapest return FRA–LJU flights, May

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

Return flights

20 May - 23 Jun Air Serbia
24 May - 28 May Air Serbia
26 May - 29 May Air Serbia
24 May - 29 May Air Serbia
26 May - 27 May Air Serbia
20 May - 26 May Air Serbia
20 May - 31 May Air Serbia
20 May - 25 May Air Serbia
30 May - 02 Jun Wizz Air
25 May - 30 May Wizz Air
25 May - 29 May Wizz Air
26 May - 30 May Air Serbia
30 May - 01 Jun Air Serbia
28 May - 04 Jun LOT
21 May - 23 Jun Lufthansa direct
21 May - 24 Jun Lufthansa direct
25 May - 03 Jun Lufthansa direct
21 May - 05 Jun Lufthansa direct
20 May - 23 Jun Lufthansa direct
28 May - 07 Jun Lufthansa direct

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

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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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