The best month to fly between Manila and General Santos is February and the most expensive month to fly is December. (Average prices, based on 2919 datapoints.)
The best day to arrive at Manila is Monday and it would be best to avoid Wednesday, as prices are on average 17.12% higher than on Monday. (Average prices, based on 19613191 datapoints.)
The best time to fly is at around 9. (Average prices, based on 16878 datapoints.)