LHR → USM
Cheap flights from London (LHR) to Koh Samui (USM)
Book flights from London to Koh Samui on FYAVO. Pick a date to see live fares from the airlines, then book and pay securely without leaving FYAVO. London and Koh Samui are 9,895 km apart, and a non-stop flight takes about 12h 25m.
Route at a glance
- Distance
- 9,895 km (6,148 miles)
- Non-stop flight time
- about 12h 25m
- Departure airport
- London Heathrow Airport (LHR)
- Arrival airport
- Samui International Airport (USM)
- Time difference
- Koh Samui is 7 hours ahead.
- Local currency
- Thai Baht (THB)
Questions travellers ask
How long is the flight from London to Koh Samui?
A non-stop flight covers about 9,895 km and takes about 12h 25m. Flights with a stop take longer, so compare the times when you search.
How far is Koh Samui from London by plane?
The flight distance is about 9,895 km (6,148 miles), measured between the two airports.
Which airports do flights from London to Koh Samui use?
Flights leave from London Heathrow Airport (LHR) and land at Samui International Airport (USM).
Do I need a passport to fly from London to Koh Samui?
Yes. This is an international flight to Thailand, so take a valid passport and check the visa and entry rules for your nationality before you book.
What is the time difference between London and Koh Samui?
Koh Samui is 7 hours ahead.
What currency is used in Koh Samui?
The local currency in Koh Samui is the Thai Baht (THB). On FYAVO you pay in the currency you choose, with the total shown before you pay.
Are there hidden fees when I book on FYAVO?
No. The total you see before paying includes taxes and fees, with the bags and fare rules of your ticket. You book and pay securely on FYAVO and get your booking number at once.