Please be aware that Osaka has multiple airports and that these results are only for Kansai International Airport.
The best month to arrive at Osaka is May and the most expensive month to fly is February. (Average prices, based on 310 datapoints.)
The best day to arrive at Osaka is Monday and it would be best to avoid Saturday, as prices are on average 84.62% higher than on Monday. (Average prices, based on 736 datapoints.)
The cheapest airline flying to Osaka is Jeju Air. They are 85% cheaper than Cathay Pacific. (Average prices, based on 345 datapoints.)
At Osaka the most flights depart around 08:00. (Hourly flights, based on 618 datapoints.)
From Osaka it is on average the cheapest to fly to Fukuoka and to Tokyo. (Average prices, based on 509 datapoints.)
From Osaka most of the flights depart to Tokyo, second best connected from Osaka is Seoul. (Daily flights, based on 160 datapoints.)