Your flight from Aberdeen to Osaka should take about 14 hrs 40 mins. We've gone through all five of the weekly flights to or via Osaka, operated by one airlines, to help you compare flight times and prices.
Or, if you're fairly flexible on dates, try to get a last minute-deal by regularly checking the Netflights website.
Osaka actually has one airports to choose from – but Osaka Kansai International Airport (KIX) is the usually the cheapest option. If you need to fly into a specific airport, adjust your search to focus on those flights. The most popular airlines include British Airways.
But if you can't find one which is right for you, try looking at flights to other cities in Japan to check out some other options.