Getting to and from Sofia International Terminal 1 and Terminal 2 to the city centre is SO easy and cheap! M4 yellow line goes to the airport and back approx 30mins The metro is the cheapest way as it costs only 1.60bgn ($1.40au) compared to taxi which cost around $20-25au) PLZ NOTE : Add an … Continue reading 🚊 🇧🇬 SERDIKA METRO –> SOFIA AIRPORT T2 -Sofia : Bulgaria