Cheapest return flights from Brussels to Sofia in September from $56

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

Return flights

28 Sep - 11 Oct Ryanair direct
21 Sep - 11 Oct Ryanair direct
28 Sep - 17 Oct Ryanair direct
06 Sep - 27 Sep Wizz Air direct
28 Sep - 08 Oct Ryanair direct
17 Sep - 08 Oct Ryanair direct
21 Sep - 08 Oct Ryanair direct
09 Sep - 27 Sep Wizz Air direct
13 Sep - 27 Sep Wizz Air direct
16 Sep - 27 Sep Wizz Air direct
24 Sep - 11 Oct Ryanair direct
24 Sep - 08 Oct Ryanair direct
27 Sep - 11 Oct Wizz Air direct
27 Sep - 08 Oct Wizz Air direct
17 Sep - 27 Sep Ryanair direct
21 Sep - 27 Sep Ryanair direct
24 Sep - 27 Sep Ryanair direct
18 Sep - 27 Sep Wizz Air direct
25 Sep - 27 Sep Wizz Air direct
09 Sep - 28 Sep Wizz Air direct

Also check the deals for one-way flights from Brussels to Sofia in September.

Skyscanner

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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