It takes around 60mins.
About 3 hours I think.
Average fare on the flight from Bangkok to Koh Samui is $150 and more. For getting the discount on a flight you may check some flight booking sites.
321 km - about 6 hours 3 mins Note: you must take a ferry part of the way.
A typical flight from Hong Kong to Koh Samui takes about 2 hours and 34 minutes.
55 minutes.
It will take approximately 13hrs on a direct flight to get to Bangkok from the UK. You will then to need travel from Bangkok Airport to Ko Samui which will take about 1hr. So that's 14hrs of air travel. Remember getting through an airport itself takes time too.
300 miles
It will take around the 12 hours and 10 minutes.
Koh Samui is in Thailand
14 hours
14.5 millions, mostly to Bangkok, Pattaya,Phuket Islands and Koh Samui
The island of Koh Samui (also known as Ko Samui) sits like an emerald gem in beautiful blue waters of the Gulf of Thailand. This tropical paradise is now known worldwide for its long sandy beaches, lush tropical jungle, lazy days and hedonistic balmy nights.More about Koh Samui : http://www.koh-samui-hotels.co.uk/
A flight from Chicago to Thailand would take about 18 hours.