The best day to arrive at Da Nang is Sunday and it would be best to avoid Thursday, as prices are on average 70.2% higher than on Sunday. (Average prices, based on 1518143 datapoints.)
The cheapest airline flying from Da Nang to Ho Chi Minh City is Air Kyrgyzstan. They are 65% cheaper than Vietnam Airlines. (Average prices, based on 200 datapoints.)
The best time to fly is at around 7. (Average prices, based on 2671 datapoints.)