Frankfurt (FRA)Sofia (SOF)
- non-stop flights:
- up to 4 per day
- flight duration:
- at least
- Sun
- Mon
- Tue
- Wed
- Thu
- Fri
- Sat
from $159number of non-stop flights per airline and day of the week Sun Mon Tue Wed Thu Fri Sat 3–4 2–4 1–4 1–4 2–4 3 3 1 0 1 0 1 1 1 Frankfurt (FRA)Varna (VAR)
- non-stop flights:
- 1–5 per week
- flight duration:
- at least
- Sun
- Mon
- Tue
- Wed
- Thu
- Fri
- Sat
from $139number of non-stop flights per airline and day of the week Sun Mon Tue Wed Thu Fri Sat 0 1 0 1 0 1 1 1 0 0 1 0 0 0