Cheapest return flights from Sofia to Bucharest in September from $178

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

Return flights

24 Sep - 28 Sep Wizz Air
05 Sep - 08 Sep Wizz Air
25 Sep - 29 Sep Air Serbia
06 Sep - 09 Sep Wizz Air
08 Sep - 15 Sep Air Serbia
12 Sep - 15 Sep Turkish Airlines
06 Sep - 09 Sep TAROM direct
12 Sep - 15 Sep TAROM direct
05 Sep - 08 Sep TAROM direct
25 Sep - 29 Sep TAROM direct

Also check the deals for one-way flights from Sofia to Bucharest 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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