◇ Narita International Airport
      Here is information on access between Narita Airport and metropolitan Tokyo by train or bus.

Source : Access to Central Tokyo |NARITA INTERNATIONAL AIRPORT OFFICIAL WEBSITE

To and from Central Tokyo

Standard Traveling Times by Train and Bus

When you move into or come from Tokyo, the pertinent information related  is as follows.
 *Origin and Destination
   Tokyo

*By Train
  +Skyliner
         Travel Time : 47 minutes    Transfers : once
  +Narita Express
         Travel Time : 50 minutes    Transfers : No transfer

 *By Limousine bus
         Travel Time : At leaset 60 minutes (depends on traffic condition)  Transfers : No transfer

All train traveling times given are from Airport Terminal No.2. The train traveling time does not include the time making connection and should, therefore, only be used as a general guide.
Bus times displayed are optimum times.

When using public transport, always check at the counter or the web site of the bus line first.
・Please allow plenty of time as transportation services may be delayed by traffic congestion or weather conditions.
・Your terminal will depend on the airline you use.
・Traveling time between Airport Terminal 2 and Terminal 3 is approximately 15 minutes walking or 3 minutes by free shuttle bus. However, please allow plenty of time when using bus services as they may be delayed or canceled due to traffic congestion.
・The number of transfers varies depending on the time of day.

 If you need more information about transportation (to and from Narita International Airport), shopping or food, services, and the like, please refer to the following link.
Narita International Airport  (https://www.narita-airport.jp/en/)

◇Haneda (Tokyo) International Airport

　Haneda has three terminal buildings. Terminal 3 handles most of the airport's international flights. Domestic flights use the airport's Terminal 1, used mainly by JAL, and Terminal 2 is mainly used by ANA and by some international ANA flights

 Source : Haneda Airport | The Official Tokyo Travel Guide, GO TOKYO

To and from Narita International Airport
*By Train
  +Direct Service (shared services for the Keikyu Line, Toei Line and Keisei Line)
　　　Travel time : 90 - 95 minutes
　 The availability of the direct train service to and from Narita depends on time and day of the week.

　 You are advised to ask the particular trainline counter.

  +Keikyu and JR East (Narita Express)
           Travel time : 100 minutes   Transfer : one transfer at Shinawaga

  +Keikyu and JR East (Rapid train)
           Travel time : 130 minutes   Transfer : one transfer at Shinawaga

*By Limousine Bus
          Travel time : 65 to 85 minutes

  Travel time of bus services may be delayed or canceled due to traffic congestion.
  Please confirm details with the respective transportation conter.

To and from Yokohama
 *By Train (Keikyu)
          Travel time : 25 minutes
 *By Limousine Bus
          Travel time : 40 minutes

 If you need more information about transportation (to and from Haneda (Tokyo) International Airport), shop and dine, services, and the like, please refer to the following link.

Haneda Airport Passenger Terminal(https://tokyo-haneda.com/en/)(tokyo-haneda.com)