To get from Narita Airport to Tokyo, you can take the Keisei Skyliner. The Skyliner departs from Ueno or Nippori, taking about 40 minutes.
From Haneda Airport, the Shuttle Bus is a convenient option, departing from locations like Tokyo Station or Shibuya, with a travel time of 30-60 minutes depending on traffic.
Both services have frequent departures, ensuring easy access to the city.