We've scanned every flight from Madrid 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.
Osaka Itami Airport is just one of the airports in Osaka. If you're not set on a specific airport, try changing your search from Osaka Itami Airport to Osaka to see a broader range of flights – they might be cheaper.
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.