Search for cheap flights and last-minute deals with Netflights. We've scanned all the flights from London City Airport to Udon Thani, across the one airlines that offer this route. We've found that 26 / Oct / 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 Udon Thani are Thai Airways International. Thai Airways International is the most popular one, but that doesn’t mean their flights will be the cheapest. If you can't find a flight time that suits you, why not look at flying out from a different airport?
Generally speaking, the flight from London City Airport to Udon Thani takes around 20 hrs 5 mins. The fastest flight takes 20 hrs 5 mins to cover the 9358 km distance. You can view all flight times yourself in the results list.
Searching by month, for instance, will show you the best time of the week to fly.
