Cheap flights from Bilbao to Bucharest
Cheapest current fares: $117 in August 2026 on connecting flights.
Cheapest month-by-month fares
Lowest available fare per calendar month from Bilbao (BIO) to Bucharest (OTP). Refreshed daily.
Bilbao (BIO) → Bucharest (OTP)
- August 2026 $117
Frequently asked questions
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What is the cheapest month to fly from Bilbao to Bucharest?
Based on current 6-month forward fare data, August 2026 is the cheapest month to fly from Bilbao (BIO) to Bucharest (OTP), with fares starting from $117.
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What is the lowest current fare from BIO to OTP?
The lowest currently-listed fare from Bilbao (BIO) to Bucharest (OTP) is $117 on 2026-08-21.
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Is there a direct flight from Bilbao to Bucharest?
There is currently no non-stop service from BIO to OTP. Most travellers connect through a hub airport. See our route page for current stopover options.
Related guides for this route
Sibling pages — full route detail, airport overviews, visa context, per-airline routes.