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 Dubai is December and the most expensive month to fly is April. (Average prices, based on 327 datapoints.)
The best day to arrive at Bangkok is Wednesday and it would be best to avoid Saturday, as prices are on average 36.97% higher than on Wednesday. (Average prices, based on 327 datapoints.)