The best month to fly between Gunung Sitoli and Medan is June and the most expensive month to fly is September. (Average prices, based on 643 datapoints.)
The best day to arrive at Gunung Sitoli is Friday and it would be best to avoid Wednesday, as prices are on average 10.3% higher than on Friday. (Average prices, based on 7714617 datapoints.)
The best time to fly is at around 10. (Average prices, based on 7914 datapoints.)