Cheap flights from Sofia to Bucharest
Cheapest current fares: $47 in October 2026, 300 km direct flight in ~21m.
Cheapest month-by-month fares
Lowest available fare per calendar month from Sofia (SOF) to Bucharest (OTP). Refreshed daily.
Sofia (SOF) → Bucharest (OTP)
- October 2026 $47
- September 2026 $48
- November 2026 $51
- August 2026 $74
Frequently asked questions
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What is the cheapest month to fly from Sofia to Bucharest?
Based on current 6-month forward fare data, October 2026 is the cheapest month to fly from Sofia (SOF) to Bucharest (OTP), with fares starting from $47.
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What is the lowest current fare from SOF to OTP?
The lowest currently-listed fare from Sofia (SOF) to Bucharest (OTP) is $47 on 2026-10-08.
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How long is the flight from Sofia to Bucharest?
Direct flights from SOF to OTP cover approximately 300 km (186 miles), with an estimated flight time of 21m. Operating airlines: RO.
Related guides for this route
Sibling pages — full route detail, airport overviews, visa context, per-airline routes.