There are 27 direct and indirect flights connecting Athens and Osaka every week, with the journey taking 27 hrs 25 mins on average.
Air France, British Airways & KLM are the most popular airlines for flying from Athens to Osaka. Adjust your search options to look by month, and see how much you could save if you fly during low season.
If you're not sure who to fly with from Athens, you might like to know that Air France is the most popular airline for this route.
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.