If you want a cheap flight from Liverpool to Osaka, you've got two airlines to choose from.
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. It usually takes about 23 hrs 40 mins to fly 9431 km to Osaka Itami Airport.
five flights go to or via Osaka every week. The most popular airline is Lufthansa but do spend some time checking all your options – they aren’t necessarily the cheapest airline to book with.
If you're planning on going to Osaka during this time, you could take a look at other airport options. Or you could try to get a last-minute bargain.