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 July and the most expensive month to fly is April. (Average prices, based on 2458 datapoints.)
The best day to arrive at Bangkok is Tuesday and it would be best to avoid Sunday, as prices are on average 11.94% higher than on Tuesday. (Average prices, based on 2456 datapoints.)
The best time to fly is at around 21. (Average prices, based on 4838 datapoints.)