The flight distance from Bilbao Airport (BIO) in Bilbao, Spain to Sofia Airport (SOF) in Sofia, Bulgaria is 2,133 kilometers (1,325 miles / 1,152 nautical miles). The estimated flight time for this route is approximately 4h, flying east at a heading of 83°.

This is a medium-haul route that may be operated by either narrow-body or wide-body aircraft depending on demand. Passengers can expect a meal service on most carriers.

This is an international route connecting Spain with Bulgaria. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 04:38 in Bilbao, it's 05:38 in Sofia.

There is a significant elevation difference of 1,604 feet between the two airports. Sofia Airport sits higher than Bilbao Airport.

The return flight from Sofia (SOF) to Bilbao (BIO) follows a heading of 281° (west). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

For more information about these airports, visit the Bilbao Airport (BIO) and Sofia Airport (SOF) detail pages, or use our flight duration calculator to compare other routes.