We've scanned every flight from Liverpool 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. If that day's no good for you, try searching by month to see some alternative dates.
Make sure you use the search options above to search for flights to other airports in Osaka, not just Osaka Kansai International Airport. The more options you look at, the better your chance of finding a cheap deal. Just so you know, the flight typically takes 20 hrs 25 mins.
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.