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Flights from Bilbao to Sofia
There are no direct flights from Bilbao to Sofia. The fastest way is one stop via Vienna or Frankfurt, about 4h 20m door to door (91 connections a week on current schedules).
No direct flights · 6 connection options From 4h 20m
Bilbao to Sofia at a glance
Fastest journey4h 20mVia Vienna, on current schedules
Nonstop flightsNoneConnect via Vienna or Frankfurt
Best ways to fly from Bilbao to Sofia
Ranked by how easy the connection is: one airline or alliance first (bags and connection protected), then the quickest self-transfer options.
1Search
BIO Vienna (VIE) SOF
Leg 1: Austrian Airlines · Leg 2: Austrian Airlines, Ryanair
Wed10:00 BIO12:15 VIE0h 45m connection13:00 VIE15:20 SOFAustrian Airlines
2Search
BIO Frankfurt (FRA) SOF
Leg 1: Lufthansa, Lufthansa City Airlines · Leg 2: Bulgaria Air, Lufthansa
Sun06:45 BIO08:39 FRA1h 36m connection10:15 FRA13:11 SOFLufthansa
3Search
BIO Munich (MUC) SOF
Leg 1: Lufthansa · Leg 2: Lufthansa, Lufthansa City Airlines
Mon12:15 BIO14:16 MUC1h 44m connection16:00 MUC18:41 SOFLufthansa
4Search
BIO Rome (FCO) SOF
Leg 1: Volotea, Vueling, Wizz Air · Leg 2: Bulgaria Air, Wizz Air
Mon17:00 BIO18:56 FCO2h 34m connection21:30 FCO23:58 SOFVolotea + Wizz Air
5Search
BIO Madrid (MAD) SOF
Leg 1: Air Europa, Iberia, Air Nostrum · Leg 2: Bulgaria Air, Wizz Air, Ryanair
Tue17:45 BIO18:38 MAD2h 07m connection20:45 MAD00:55 SOFIberia + Ryanair
6Search
BIO Athens (ATH) SOF
Leg 1: Aegean Airlines, Volotea · Leg 2: Aegean Airlines, Bulgaria Air, Sky Express (Greece)
Tue12:30 BIO16:38 ATH2h 07m connection18:45 ATH19:42 SOFAegean Airlines + Bulgaria Air
Connections are computed from flights actually flown over the last 8 weeks, with at least 45 minutes to change on one airline and 2 hours on separate tickets. Times are local. The search shows live itineraries and exact times.
Good to know
- Distance
- 2,127 km1,321 miles
- Journey time
- 4h 20mon current schedules
- Time difference
- +1hSofia vs Bilbao
- Currency in Sofia
- USD
- Airports
- BIO → SOF
Flights from Bilbao to Sofia: questions answered
Are there direct flights from Bilbao to Sofia?
No. There is no nonstop service, so you will connect, most easily in Vienna, Frankfurt and Munich. Some connections are on one airline or alliance, so your bags and connection are protected on a single ticket.
How long is the flight from Bilbao to Sofia?
With one connection the journey usually takes around 4h 20m, depending on the layover. The straight-line distance is 2,127 km.
Where do you change planes between Bilbao and Sofia?
The best connecting points are Vienna (VIE), Frankfurt (FRA), Munich (MUC) and Rome (FCO). Austrian Airlines flies both legs via Vienna, so you can book it as one ticket.
Which airports serve Bilbao and Sofia?
Bilbao: Bilbao Airport (BIO). Sofia: Sofia Airport (SOF).
What is the time difference between Bilbao and Sofia?
Sofia is 1 hour ahead of Bilbao.





