Please be aware that Osaka has multiple airports and that these results are for all airports serving the city.
The best month to arrive at Osaka is May and the most expensive month to fly is April. (Average prices, based on 1199 datapoints.)
The best day to arrive at Osaka is Saturday and it would be best to avoid Sunday, as prices are on average 305.11% higher than on Saturday. (Average prices, based on 383 datapoints.)
The cheapest airline flying to Osaka is Thai Vietjet Air. They are 52% cheaper than Air Busan. (Average prices, based on 1310 datapoints.)
At Osaka the most flights depart around 08:00. (Hourly flights, based on 1596 datapoints.)
From Osaka it is on average the cheapest to fly to Fukuoka and to Tokyo. (Average prices, based on 777 datapoints.)
From Osaka most of the flights depart to Tokyo, second best connected from Osaka is Fukuoka. (Daily flights, based on 201 datapoints.)