Search for cheap flights and last-minute deals with Netflights. We've scanned all the flights from London City Airport to Hanoi, across the three airlines that offer this route. We've found that 09 / Mar / 2026 is the cheapest date to travel at the moment, but it's best to go through the results to see which flight suits you.
KLM is the most popular airline that flies from London City Airport to Hanoi. But it's still worth looking at other options, as there are 43 flights to Hanoi every week. If you want to broaden your search, look at flights departing from other airports.
Your flight from London City Airport to Hanoi will take at least 20 hrs 45 mins. On average, it takes 24 hrs to fly the 9211 km distance. Take a look at flight times to see which one works best for you.
Searching by month, for instance, will show you the best time of the week to fly.
