The best month to fly between Busan and Jeju City is July and the most expensive month to fly is June. (Average prices, based on 258 datapoints.)
The best day to arrive at Busan is Monday and it would be best to avoid Sunday, as prices are on average 396.09% higher than on Monday. (Average prices, based on 76639 datapoints.)
The best time to fly is at around 21. (Average prices, based on 299 datapoints.)