Cheap flights from Bucharest to Istanbul
Cheapest current fares: $48 in September 2026, 427 km direct flight in ~30m.
Cheapest month-by-month fares
Lowest available fare per calendar month from Bucharest (OTP) to Istanbul (IST). Refreshed daily.
Bucharest (OTP) → Istanbul (IST)
- September 2026 $48
- August 2026 $49
- October 2026 $49
- November 2026 $57
- December 2026 $58
- January 2027 $71
Frequently asked questions
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What is the cheapest month to fly from Bucharest to Istanbul?
Based on current 6-month forward fare data, September 2026 is the cheapest month to fly from Bucharest (OTP) to Istanbul (IST), with fares starting from $48.
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What is the lowest current fare from OTP to IST?
The lowest currently-listed fare from Bucharest (OTP) to Istanbul (IST) is $48 on 2026-09-21.
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How long is the flight from Bucharest to Istanbul?
Direct flights from OTP to IST cover approximately 427 km (265 miles), with an estimated flight time of 30m. Operating airlines: A2, RO, TK.
Related guides for this route
Sibling pages — full route detail, airport overviews, visa context, per-airline routes.