Search for cheap flights and last-minute deals with Netflights. We've scanned all the flights from George Best Belfast City Airport to Koh Samui, across the three airlines that offer this route. We've found that 03 / Jun / 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 Koh Samui are British Airways, KLM & Qantas. British Airways 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?
Your flight from George Best Belfast City Airport to Koh Samui will take at least 18 hrs 50 mins. On average, it takes 20 hrs 35 mins to fly the 10153 km distance. Take a look at flight times to see which one works best for you.
If you need somewhere to stay for your trip to Thailand, take a look at our accommodation options.
