Narita Airport An express train or highway bus to central Tokyo costs around ¥3000 (one to two hours). Both run frequently from 6am to 10.30pm; pick up tickets at kiosks inside the arrivals hall (no advance reservations required). Taxis start at ¥20,000.
Haneda Airport Frequent trains and buses (¥400 to ¥1200, 30 to 45 minutes) to central Tokyo run from 5.30am to midnight; times and costs depend on your destination in the city. There are only a couple of night buses. For a taxi, budget between ¥5000 and ¥8000.
Tokyo Station Connect from the shinkansen (bullet train) terminal here to the JR Yamanote line or the Marunouchi subway for destinations around central Tokyo.