Your flight from Helsinki to Tokyo should take about 20 hrs 55 mins. We've gone through all 30 of the weekly flights to or via Tokyo, operated by seven airlines, to help you compare flight prices and times.
Being flexible with your dates could help you find a cheaper flight from Helsinki to Tokyo.
If you're not sure who to fly with from Helsinki, you might like to know that Finnair 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.