The best month to fly with Flight JT399 is January and the most expensive month to fly is April. (Average prices, based on 369 datapoints.)
The best day to arrive at Medan is Friday and it would be best to avoid Sunday, as prices are on average 7.87% higher than on Friday. (Average prices, based on 524079997 datapoints.)
This graph shows the distribution of prices found in the past years for this flight. (Average prices, based on 336 datapoints.)