Friday flights are found to be more expensive to fly from Denver to Koh Samui. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Koh Samui.
It’s optimal to fly from Denver to Koh Samui at noon. By choosing this option you can save up to 20% on the cost of your flight, compared to a flight in the morning.