Cheapest return flights from Sofia to Bucharest in September from $132

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

Return flights

11 Sep - 13 Sep Wizz Air
17 Sep - 19 Sep Wizz Air
10 Sep - 11 Sep Wizz Air
28 Sep - 30 Sep Wizz Air
16 Sep - 19 Sep Ryanair
16 Sep - 17 Sep Ryanair
25 Sep - 29 Sep Ryanair
26 Sep - 30 Sep Wizz Air
06 Sep - 08 Sep Air Serbia
19 Sep - 23 Sep Ryanair
08 Sep - 08 Oct Wizz Air
29 Sep - 01 Oct Air Serbia
08 Sep - 08 Oct 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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