If you're looking to fly from London Gatwick to Chiang Rai, you might like to know that 08 / Sep / 2025 currently has the cheapest flights. At the moment, there are two airlines flying to Chiang Rai. Go through the results to find the right flights for you – you can adjust the filters to see find even more flights to Chiang Rai.
Thai Airways International is the most popular airline that flies from London Gatwick to Chiang Rai. But it's still worth looking at other options, as there are 35 flights to Chiang Rai every week. If you want to broaden your search, look at flights departing from other airports.
Your flight from London Gatwick to Chiang Rai will take at least 18 hrs 40 mins. On average, it takes 19 hrs 25 mins to fly the 8974 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.