Cheapest return flights from Bucharest to Sofia in September from 102€

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

Return flights

08 Sep - 15 Sep Wizz Air Malta
18 Sep - 22 Sep Wizz Air Malta
11 Sep - 13 Sep Wizz Air Malta
19 Sep - 20 Sep Wizz Air Malta
19 Sep - 22 Sep TAROM
25 Sep - 26 Sep Wizz Air Malta
15 Sep - 22 Sep TAROM
14 Sep - 16 Sep Ryanair
02 Sep - 05 Sep Wizz Air Malta
20 Sep - 21 Sep Austrian Airlines

Also check the deals for one-way flights from Bucharest 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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