If they’re not the cheapest option, try searching by month to compare costs throughout the week.
We scan thousands of airfares from hundreds of airlines across the globe. We've found that zero airlines operate the 10124 km flight from Exeter to Koh Samui. Flights during peak season tend to be the most expensive – so if you want to go during that time, it's best to book early. Or you could try to get a last-minute deal.
To sort cheap flights to Koh Samui, it's best to start searching for flights by month, as this will show you when prices are at their lowest.
Once you’ve chosen your flight, go through and fill out your details to complete your booking. If you haven’t yet sorted your accommodation or car hire, take a look at our competitive rates – then you can book your flights and accommodation in one go.