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

Return flights

23 Mar - 30 Mar	Air Serbia
20 Mar - 29 Mar	Air Serbia
20 Mar - 30 Mar	Air Serbia
20 Mar - 23 Mar	Air Serbia
30 Mar - 01 Apr	Air Serbia
23 Mar - 30 Mar	Lufthansa	direct
21 Mar - 30 Mar	Lufthansa	direct
21 Mar - 29 Mar	Lufthansa	direct
20 Mar - 29 Mar	Lufthansa	direct
20 Mar - 30 Mar	Lufthansa	direct
30 Mar - 05 Apr	Lufthansa	direct
27 Mar - 30 Mar	Air Serbia
30 Mar - 01 Apr	Lufthansa	direct

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

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 March from 163€

Return flights