Please be aware that Bangkok has multiple airports and that these results are for all airports serving the city.
The best month to fly between Bangkok and Manila is May and the most expensive month to fly is March. (Average prices, based on 375 datapoints.)
The best day to arrive at Bangkok is Sunday and it would be best to avoid Wednesday, as prices are on average 29.26% higher than on Sunday. (Average prices, based on 341 datapoints.)
The cheapest airline flying from Bangkok to Manila is Cebu Pacific Air. They are 37% cheaper than Thai Airways. (Average prices, based on 384 datapoints.)
The best time to fly is at around 4. (Average prices, based on 779 datapoints.)