From Iasi airport fly to Bucharest Otopeni airport. 50 min $39. From Iaşi bus to Otopeni Airport. 7 h $20. From Nicolina train to Buzau then bus to Otopeni Airport. 7 h 50 min $24. From Iaşi bus to Targu Frumos then bus to Otopeni airport. 8 h 52 min. From Iași drive to Bucharest Otopeni Airport (OTP). 5 h 49 min $47.