Varna (VAR)Sofia (SOF)
- non-stop flights:
- 1–4 per day
- flight duration:
- at least
direct flight availability- Sun
- Mon
- Tue
- Wed
- Thu
- Fri
- Sat
airlinesfrom $67number of non-stop flights per airline and day of the week Sun Mon Tue Wed Thu Fri Sat 
3–4 3 3 3–4 3–4 1–2 2–3 Varna (VAR)Vienna (VIE)
- non-stop flights:
- 1–2 per day
- flight duration:
- at least
direct flight availability- Sun
- Mon
- Tue
- Wed
- Thu
- Fri
- Sat
airlinesfrom $180number of non-stop flights per airline and day of the week Sun Mon Tue Wed Thu Fri Sat 
1–2 1–2 1–2 1–2 1–2 1–2 1–2