Cologne (CGN)Sofia (SOF)
- non-stop flights:
- 5–7 per week
- flight duration:
- at least
direct flight availability- Sun
- Mon
- Tue
- Wed
- Thu
- Fri
- Sat
airlinesfrom $246number of non-stop flights per airline and day of the week Sun Mon Tue Wed Thu Fri Sat 
1 0 0 1 1–2 1 1–2