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

Return flights

11 Mar - 18 Mar	Air Serbia
02 Mar - 04 Mar	Air Serbia
06 Mar - 09 Mar	Air Serbia
13 Mar - 15 Mar	Air Serbia
20 Mar - 22 Mar	Air Serbia
20 Mar - 23 Mar	Air Serbia
13 Mar - 16 Mar	Air Serbia
30 Mar - 02 Apr	Air Serbia
25 Mar - 01 Apr	Air Serbia
05 Mar - 08 Mar	Lufthansa
06 Mar - 08 Mar	Lufthansa
12 Mar - 15 Mar	Lufthansa
25 Mar - 01 Apr	Lufthansa	direct
29 Mar - 11 Apr	Lufthansa	direct
28 Mar - 02 Apr	Ryanair

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