Very easy access, direct bus 783 from Henri Coanda-Otopeni airport to Piata Romana, metro 200m, bus 150m, taxi 50m. A taxi from the airport will cost around € 6-8. In Bucharest it is strongly recommended to order a taxi by phone, via the Smart phone applications or from the airport by taxi call terminals (no credit card and safely) Taxis come here with the counter zero. The rate is 1.39 km of approximately € 0.30 per km. All restaurants will call a taxi. Strongly advised not to hail a taxi in the street!
I will provide you with the best numbers of taxi companies at your arrival.