The best month to fly between Singapore and Ho Chi Minh City is September and the most expensive month to fly is March. (Average prices, based on 439 datapoints.)
The best day to arrive at Singapore is Wednesday and it would be best to avoid Thursday, as prices are on average 91.29% higher than on Wednesday. (Average prices, based on 3436029 datapoints.)
The best time to fly is at around 19. (Average prices, based on 801 datapoints.)