For the cheapest flights to Athens book 33 days before departure.
The most popular airlines on the route Madrid - Athens: Aegean (A3), Alitalia (AZ), Iberia (IB).
The cheapest flights are on the route Barajas (MAD) - Eleftherios Venizelos (ATH).
Direct flights last about 3h 30min.
Direct flights are available 7 days a week.
Direct flights: Aegean (A3), Iberia (IB).