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

Return flights

10 Sep - 17 Sep	Vueling Airlines
30 Sep - 07 Oct	easyJet
17 Sep - 28 Sep	Ryanair	direct
10 Sep - 28 Sep	Ryanair
23 Sep - 27 Sep	Vueling Airlines
24 Sep - 15 Oct	Ryanair	direct
19 Sep - 23 Sep	easyJet
24 Sep - 28 Sep	Ryanair	direct
03 Sep - 09 Sep	Vueling Airlines
21 Sep - 24 Sep	Iberia
20 Sep - 24 Sep	Volotea
17 Sep - 05 Oct	Ryanair	direct
12 Sep - 14 Sep	Condor
27 Sep - 03 Oct	easyJet
24 Sep - 05 Oct	Ryanair	direct
28 Sep - 19 Oct	Ryanair	direct
28 Sep - 15 Oct	Ryanair	direct
17 Sep - 08 Oct	Ryanair	direct
21 Sep - 05 Oct	Ryanair	direct
28 Sep - 04 Oct	easyJet

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 105€

Return flights