Cheapest return flights from Bucharest to Sofia in September from 79€

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

Return flights

30 Sep - 01 Oct Wizz Air Malta
29 Sep - 06 Oct Wizz Air Malta
16 Sep - 18 Sep Wizz Air Malta
29 Sep - 01 Oct Wizz Air Malta
13 Sep - 17 Sep Wizz Air Malta
13 Sep - 15 Sep Wizz Air Malta
20 Sep - 25 Sep Wizz Air Malta
18 Sep - 21 Sep Ryanair
12 Sep - 14 Sep Wizz Air Malta
05 Sep - 08 Sep Wizz Air Malta
16 Sep - 19 Sep Turkish 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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