The best month to fly with Flight JT139 is November and the most expensive month to fly is July. (Average prices, based on 4253 datapoints.)
The best day to arrive at Penang is Monday and it would be best to avoid Saturday, as prices are on average 51.96% higher than on Monday. (Average prices, based on 19482556 datapoints.)
This graph shows the distribution of prices found in the past years for this flight. (Average prices, based on 228 datapoints.)