Taxis are right outside both terminals. It is advised to take taxis from reputable taxi companies such as Mai Linh or Vinasun. It takes usually 30-45 minutes for a drive to the city center (Old Quarter), depending on the traffic, costing around $150 to $200.
Airport Shuttle Bus: Bus AE1 or AE2 from Hanoi Bus Company can be taken. These buses ply between the airport and My Dinh Bus Stop in the city center. It will be possible to hire a taxi from My Dinh Station or catch further local buses to reach the intended destination. Riding time is roughly one hour and the price is, on average, VND 30,000.