Your flight from Exeter to Tokyo should take about 20 hrs 5 mins. We've gone through all three of the weekly flights to or via Tokyo, operated by one airlines, to help you compare flight prices and times. At the moment, the cheapest flight is £10,189.
Or, if you're fairly flexible on dates, try to get a last minute-deal by regularly checking the Netflights website.
In Tokyo, Tokyo Haneda International Airport (HND) is usually the cheapest airport to fly to, but there are one airports to choose from. Not sure who to fly with? All Nippon are the most popular airlines available from Exeter.
Today alone, Netflights has scanned 15 worldwide flights. But if you can't find one which is right for you, try looking at flights to other cities in Japan to check out some other options.