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

Return flights

24 Sep - 01 Oct	Ryanair
03 Sep - 10 Sep	Ryanair
30 Sep - 13 Oct	Ryanair
18 Sep - 23 Sep	Ryanair
21 Sep - 23 Sep	Ryanair
11 Sep - 15 Sep	Ryanair
20 Sep - 23 Sep	Ryanair
20 Sep - 29 Sep	Ryanair
20 Sep - 27 Sep	Ryanair
06 Sep - 11 Sep	Ryanair
22 Sep - 23 Sep	Ryanair
13 Sep - 16 Sep	Ryanair

Also check the deals for one-way flights from Weeze 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 Weeze to Sofia in September from 136€

Return flights