If you want a cheap flight from Aberdeen to Sapporo, you've got two airlines to choose from.
New Sapporo International Airport is just one of the airports in Sapporo. If you're not set on a specific airport, try changing your search from New Sapporo International Airport to Sapporo to see a broader range of flights – they might be cheaper. It usually takes about 21 hrs 50 mins to fly 8407 km to New Sapporo International Airport.
If you're planning on going to Sapporo during this time, you could take a look at other airport options. Or you could try to get a last-minute bargain.