Istanbul (IST)Barcelona (BCN)
- non-stop flights:
- 4–8 per day
- flight duration:
- at least
direct flight availability- Sun
- Mon
- Tue
- Wed
- Thu
- Fri
- Sat
airlinesfrom $200number of non-stop flights per airline and day of the week Sun Mon Tue Wed Thu Fri Sat 
3–4 3–4 3–4 4 3–5 4 4 
1–3 1–2 1–2 1–2 1–2 1–2 1–2 
1 0 0 0 0 0 0 Istanbul (IST)Madrid (MAD)
- non-stop flights:
- 4–5 per day
- flight duration:
- at least
direct flight availability- Sun
- Mon
- Tue
- Wed
- Thu
- Fri
- Sat
airlinesfrom $237number of non-stop flights per airline and day of the week Sun Mon Tue Wed Thu Fri Sat 
4 3–4 4 3–4 4 3–4 3–4 
1 1 1 1 1 1 1