Frontier Airlines does not yet have an official office in Tokyo, Japan, because it does not currently offer direct flights to the city. With a small number of overseas destinations, mostly in Mexico and the Caribbean, Frontier mostly offers domestic flights within the United States. Frontier Airlines Tokyo Office You can visit Frontier Airlines’ official website or use their customer support channels to get in touch with them if you have any questions about Tokyo or customer care. For assistance with reservations, cancellations, or any other travel-related questions, contact Frontier’s main service line or the online help center. Other airlines, like ANA, Japan Airlines, or international, provide direct flights to Tokyo for those wishing to visit Tokyo or other locations in Japan.