Search for cheap flights and last-minute deals with Netflights. We've scanned all the flights from Singapore Changi International Airport to Hanoi, across the ten airlines that offer this route. We've found that 06 / Sep / 2025 is the cheapest date to travel at the moment, but it's best to go through the results to see which flight suits you.
The most popular airlines offering flights to Hanoi are Cathay Pacific & Malaysia Airlines. If you can't find a flight time that suits you, why not look at flying out from a different airport?
The distance between Singapore Changi International Airport to Hanoi is 2220 km. Normally, it takes about 7 hrs 35 mins to fly, and you can definitely expect the journey to be at least 3 hrs 25 mins. You can see the various flight times in the results.
You can also search by month, which will reveal the cheapest time of the week to fly.