Please be aware that Osaka has multiple airports and that these results are only for International airport.
The best month to arrive at Osaka is November and the most expensive month to fly is August. (Average prices, based on 3019 datapoints.)
The best day to arrive at Osaka is Wednesday and it would be best to avoid Tuesday, as prices are on average 40.84% higher than on Wednesday. (Average prices, based on 3210 datapoints.)
The cheapest airline flying to Osaka is ANA Wings. They are 22% cheaper than Japan Airlines. (Average prices, based on 3046 datapoints.)
At Osaka the most flights depart around 11:00. (Hourly flights, based on 3184 datapoints.)
From Osaka it is on average the cheapest to fly to Fukuoka and to Matsuyama. (Average prices, based on 2686 datapoints.)
From Osaka most of the flights depart to Tokyo, second best connected from Osaka is Fukuoka. (Daily flights, based on 73 datapoints.)