One is Narita International airport and the other is Tokyo international airport (Haneda airport).
Narita is very far from Tokyo city. It takes about 1.5 hours from Narita airport to Tokyo station.
On the other hand, Haneda airport is near Tokyo city. It takes about 20 minutes to Tokyo city.
,and it was basically used as a domestic airport.
On 21 Oct 2010, the new terminal building for International airlines in Haneda airport opened.
It is very convenient for foreign travelers to visit Tokyo city.
