Sofia (SOF)Vienna (VIE)
- non-stop flights:
- 1–4 per day
- flight duration:
- at least
- Sun
- Mon
- Tue
- Wed
- Thu
- Fri
- Sat
from $38number of non-stop flights per airline and day of the week Sun Mon Tue Wed Thu Fri Sat 3–4 2–4 3–4 3–4 3–4 1–4 3–4 1–2 1–2 1–2 1–3 1–2 1–2 1–2 Varna (VAR)Vienna (VIE)
- non-stop flights:
- up to 2 per day
- flight duration:
- at least
- Sun
- Mon
- Tue
- Wed
- Thu
- Fri
- Sat
from $98number 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 1–2 1–2 1–2 1 0 1 0 1 0 0 Burgas (BOJ)Vienna (VIE)
- non-stop flights:
- 4 per week
- flight duration:
- at least
- Sun
- Mon
- Tue
- Wed
- Thu
- Fri
- Sat
from $148number of non-stop flights per airline and day of the week Sun Mon Tue Wed Thu Fri Sat 0 1 1 1 0 1 0