Please be aware that Kuala Lumpur has multiple airports and that these results are for all airports serving the city.
The best month to fly between Kuala Lumpur and Ho Chi Minh City is October and the most expensive month to fly is November. (Average prices, based on 894 datapoints.)
The best day to arrive at Kuala Lumpur is Saturday and it would be best to avoid Friday, as prices are on average 38.64% higher than on Saturday. (Average prices, based on 980 datapoints.)
The cheapest airline flying from Kuala Lumpur to Ho Chi Minh City is AirAsia. They are 52% cheaper than Vietnam Airlines. (Average prices, based on 904 datapoints.)
The best time to fly is at around 18. (Average prices, based on 1659 datapoints.)