Cheapest return flights from Brussels to Sofia in September from $67

Best time to book flights for Brussels (BRU) to Sofia (SOF) flights at AirHint

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

Return flights

30 Sep - 17 Oct Wizz Air direct
16 Sep - 26 Sep Wizz Air direct
16 Sep - 27 Sep Wizz Air direct
27 Sep - 17 Oct Wizz Air direct
30 Sep - 15 Oct Wizz Air direct
17 Sep - 26 Sep Ryanair direct
11 Sep - 26 Sep Wizz Air direct
07 Sep - 26 Sep Ryanair direct
18 Sep - 26 Sep Wizz Air direct
17 Sep - 27 Sep Ryanair direct
11 Sep - 27 Sep Wizz Air direct
07 Sep - 27 Sep Ryanair direct
18 Sep - 27 Sep Wizz Air direct
27 Sep - 15 Oct Wizz Air direct
30 Sep - 10 Oct Wizz Air direct
27 Sep - 10 Oct Wizz Air direct
30 Sep - 14 Oct Wizz Air direct
25 Sep - 15 Oct Wizz Air direct
27 Sep - 14 Oct Wizz Air direct
30 Sep - 05 Oct 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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