AirHint found the following cheapest return flights from Reus (REU) to Sofia (SOF) in September 2025 (see full year).

Return flights

24 Sep - 27 Sep	Ryanair
24 Sep - 28 Sep	Ryanair
20 Sep - 24 Sep	Ryanair
02 Sep - 09 Sep	Ryanair
23 Sep - 28 Sep	Ryanair
10 Sep - 17 Sep	Ryanair
25 Sep - 05 Oct	Ryanair
09 Sep - 16 Sep	Ryanair
12 Sep - 17 Sep	Ryanair
27 Sep - 30 Sep	Ryanair
26 Sep - 01 Oct	Ryanair
20 Sep - 23 Sep	Ryanair
27 Sep - 01 Oct	Ryanair
25 Sep - 04 Oct	Ryanair

Also check the deals for one-way flights from Reus 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 Reus to Sofia in September from 150€

Return flights