Netflights is free and simple to use. You can view all nine of the weekly flights to or via Osaka, flown by two airlines. Having them all in one place makes it easy to compare prices and find the best deal for you.
There are actually one airports in Osaka. We've scanned all of the flights into Osaka and, on average, the cheapest airport to fly into is Osaka Kansai International Airport (KIX). Look out for flights with Malaysia Airlines too, as they tend to have the cheapest prices.
Searching by month is the best way to get a feel for the overall cost of flights throughout the year.
On average, the 9423 km flight from Belfast to Osaka takes 25 hrs 10 mins. If you're landing late, why not take a look at hotels near the airport? We've got a range of accommodation and car hire options across Japan.