To see a wider selection of flights to Tokyo, try searching by city rather than by airport.
If you don’t have specific dates for when you'd like to fly to Tokyo, try searching by month. It's also worth looking out for flights with Turkish Airlines, as their fares are normally the best-value.
To find the best deal, why not look at other options in Japan? Some other cities may have cheaper options for flights and accommodation.
To get the flights you want, it's best to book as far in advance as possible – prices of both flights and accommodation tend to increased the closer you are to departure. To check hotel prices in Tokyo, simply use the tabs at the top of the page.