AirHint found the following cheapest return flights from Palma de Mallorca (PMI) to Sofia (SOF) in September 2025 (see full year).

Return flights

16 Sep - 27 Sep	Vueling Airlines
11 Sep - 13 Sep	Volotea
27 Sep - 04 Oct	Ryanair
20 Sep - 27 Sep	Volotea
11 Sep - 18 Sep	Volotea
28 Sep - 19 Oct	Ryanair	direct
21 Sep - 12 Oct	Ryanair	direct
10 Sep - 17 Sep	Condor
14 Sep - 16 Sep	Iberia
03 Sep - 24 Sep	Ryanair	direct
17 Sep - 24 Sep	Ryanair	direct
28 Sep - 12 Oct	Ryanair	direct
24 Sep - 12 Oct	Ryanair	direct
10 Sep - 24 Sep	Ryanair	direct
07 Sep - 17 Sep	Ryanair
17 Sep - 08 Oct	Ryanair	direct
28 Sep - 15 Oct	Ryanair	direct
24 Sep - 15 Oct	Ryanair	direct
17 Sep - 05 Oct	Ryanair	direct
21 Sep - 08 Oct	Ryanair	direct

Also check the deals for one-way flights from Palma de Mallorca to Sofia in September.

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 Palma de Mallorca to Sofia in September from 110€

Return flights