Price of the Tokyo Olympic Games tickets, An average price is 7,700 yen

a thing that a ticket is set as "the handy price which everyone can see" in the Olympics Tokyo convention in 2020 according to the candidacy file which the Tokyo bidding committee submitted to the International Olympic Committee (IOC).

The opening ceremony is 25,000 to 150,000 yen.
30,000 yen will be a maximum price for the final of popular games, such as Field athletics or swimming, etc.
The average price of the whole tickets is 7,700 yen.
60% of the tickets will be sold 4,400 yen or less.

The tickets will be sold through the convenience store of 40,000 shops in whole Japan, or the Internet.
(Reference: NIKKEI Shimbun)

As for the Tokyo Olympic Games, the severe matches of a maximum of 28 games will be unfolded for 16 days, from July 24 to August 9 in a total of 37 stadiums in 2020.
The opening ceremony opens at 8:00 a.m. on July 24, 2020.
The National Stadium capacity is about 54,000 people (Shinjuku, Tokyo), will be rebuilt in "Olympic Stadium" which about 80,000 people can store, and it becomes the main hall of the 2020 Tokyo Olympic.

Ticket Sale of the Tokyo Olympic Games, will be at "Pia"

At the "Nagano Winter Olympic Games", it was only at "Pia" that could purchase an Olympics ticket in Japan.
Even the game in 2020, it is considered that the "Pia" will be the only ticket dealer of the olympic games.

It seems that the group travel with a ticket becomes sale by following companies.
It is necessary to ask individually about sale's schedule actually.
-- JTB
-- HIS
-- Nihon Ryokou
-- Hankyu Kotsusha
-- Top Tour

--> Hotel Booking for Tokyo Olympic

--> History of Olympic Games