If you want a cheap flight from Aberdeen to Sapporo, you've got zero 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.
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.