There are seven direct and indirect flights connecting Southampton and Osaka every week, with the journey taking 20 hrs 20 mins on average.
Being flexible with your dates could help you find a cheaper flight from Southampton to Osaka.
If you're not sure who to fly with from Southampton, you might like to know that All Nippon is the most popular airline for this route.
If you can’t find flights that suit you, consider flying to a another part of Japan. Today alone, Netflights has scanned 95 flights worldwide, so we're confident you'll be able to find one for you.