We've scanned every flight from Exeter to Osaka to find the best deals. If you want a cheap flight, it's best to be as flexible as you can on dates. At the moment, the cheapest flight is on 31 / May / 2019. If that day's no good for you, try searching by month to see some alternative dates.
Osaka Kansai International Airport is just one of the airports in Osaka. If you're not set on a specific airport, try changing your search from Osaka Kansai International Airport to Osaka to see a broader range of flights – they might be cheaper. It usually takes about 19 hrs 5 mins to fly 9723 km to Osaka Kansai International Airport.
During this peak season, accommodation prices often increase too, so it's best to book early. Or you could keep your fingers crossed and hold out for a last-minute deal.