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

Return flights

28 Jul - 31 Jul	Air Serbia
23 Jul - 26 Jul	Turkish Airlines
27 Jul - 31 Jul	Wizz Air
24 Jul - 25 Jul	Turkish Airlines
22 Jul - 29 Jul	Ryanair
28 Jul - 01 Aug	Air Serbia
22 Jul - 24 Jul	Ryanair
19 Jul - 21 Jul	Air Serbia
21 Jul - 22 Jul	Ryanair
20 Jul - 27 Jul	Wizz Air

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

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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Cheapest return flights from Sofia to Bucharest in July from 184€

Return flights