Cheapest return flights from Brussels to Sofia in September from $42

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

Return flights

30 Sep - 04 Oct Wizz Air direct
30 Sep - 16 Oct Wizz Air direct
23 Sep - 04 Oct Wizz Air direct
30 Sep - 18 Oct Wizz Air direct
30 Sep - 11 Oct Wizz Air direct
23 Sep - 11 Oct Wizz Air direct
21 Sep - 04 Oct Wizz Air direct
21 Sep - 11 Oct Wizz Air direct
28 Sep - 18 Oct Ryanair direct
28 Sep - 04 Oct Ryanair direct
21 Sep - 30 Sep Wizz Air direct
24 Sep - 30 Sep Ryanair direct
20 Sep - 27 Sep Wizz Air direct
23 Sep - 27 Sep Wizz Air direct
21 Sep - 27 Sep Wizz Air direct
24 Sep - 27 Sep Ryanair direct
27 Sep - 30 Sep Ryanair direct
18 Sep - 30 Sep Wizz Air direct
21 Sep - 23 Sep Ryanair direct
18 Sep - 27 Sep Wizz Air direct

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

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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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