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

Return flights

11 Apr - 29 Apr	Wizz Air
19 Apr - 22 Apr	Ryanair
11 Apr - 29 Apr	Lufthansa	direct
01 Apr - 07 Apr	Lufthansa	direct
08 Apr - 23 Apr	Lufthansa	direct
16 Apr - 19 Apr	Air Serbia
17 Apr - 20 Apr	Air Serbia
23 Apr - 27 Apr	Air Serbia
27 Apr - 29 Apr	Air Serbia
17 Apr - 21 Apr	Air Serbia
29 Apr - 04 May	Air Serbia
29 Apr - 03 May	Air Serbia
30 Apr - 03 May	Air Serbia
30 Apr - 04 May	Air Serbia
29 Apr - 04 May	Lufthansa	direct
30 Apr - 03 May	Lufthansa	direct
30 Apr - 04 May	Lufthansa	direct
29 Apr - 03 May	Lufthansa	direct

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

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 Frankfurt to Ljubljana in April from 119€

Return flights