Flights from London to Koh Samui – Airlines & connecting routes
Show flight options Codeshare flights Show map Price search
LHR to USM – All flight route options from Heathrow, United Kingdom to Samui, Thailand. These flights are operated by 10 different airlines through 3 different connections. The shortest flight time is 15 hours and 45 minutes. See the full flight schedule and time table, including departure times, airlines and stopover details to find the best option for you.
Find the best prices on hotels and car rental near Samui
We got great deals on hotels and car rentals near the airport.
London to Koh Samui flights
With over 725 flights every week and 3 different airlines you have a wide range of options. While flying to Koh Samui from London you will be doing a stopover in Bangkok, Singapore or any other of the 3 alternatives with flight connections.
Are there any non-stop flights from LHR to USM?
There are no direct or non-stop flights from Heathrow, LHR to Samui, USM.
Tip! You can also fly to Koh Samui from Gatwick (LGW).
Distance & flight times: Heathrow to Samui
The shortest flight time between LHR and USM is 16 hours and 25 minutes.
Via | Total flight time | Layover time | Distance |
---|---|---|---|
BKK Bangkok | 16h 25m | 4h 0m | 6274 miles (10095 km) |
SIN Singapore | 17h 25m | 1h 25m | 7429 miles (11953 km) |
HKG Hong Kong | 18h 55m | 2h 35m | 7296 miles (11739 km) |


Quick copy and share this page
From London to Thailand
Below is a list of other destinations to Thailand from Heathrow with either direct flights or 1 stop connections.
From United Kingdom to Koh Samui
Below is a list of other cities in United Kingdom with flights to Koh Samui with either non-stop or connecting flights.