Netflights is free and simple to use. You can view all 55 of the weekly flights to Osaka, flown by five 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 Emirates 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 19 hrs 15 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.