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Flights from London to Koh Samui

LHR to USM flights and routes map LHR to USM. All flight routes from Heathrow, United Kingdom to Samui, Thailand. These flights are operated by 9 different airlines through 3 different connections. The shortest flight time is 15 hours and 25 minutes.

From
To
United Kingdom LHR Heathrow London, United Kingdom
Thailand USM Samui, Koh Samui, Thailand
LHR
Heathrow
United KingdomLondon, United Kingdom
Samui
ThailandKoh Samui, Thailand
USM
No direct flights found
6 routes with different airlines found »
TAKE ME THERE

1 stop routes with codeshare or different airlines:

Duration

Via Bangkok BKK 1 stop with EVA Air. 2 flights per day.
CODESHARE

SCHEDULE
15h 25m

Via Bangkok BKK
15h 25m
1 stop with EVA Air. 2 flights per day.
CODESHARE
SCHEDULE
Via Singapore SIN 1 stop with British Airways. 2 flights per day.
CODESHARE

SCHEDULE
18h 05m

Via Singapore SIN
18h 05m
1 stop with British Airways. 2 flights per day.
CODESHARE
SCHEDULE
Via Hong Kong HKG 1 stop with Cathay Pacific. 1-2 flights per day.
CODESHARE

SCHEDULE
18h 15m

Via Hong Kong HKG
18h 15m
1 stop with Cathay Pacific. 1-2 flights per day.
CODESHARE
SCHEDULE
Usually in time
Some delays
Usually delayed
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London to Koh Samui flights

With over 745 flights every week and 3 different airlines you have a wide option of flights to choose from. 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).

Miles & flight time: LHR - USM

The shortest flight time between LHR and USM is 15 hours and 25 minutes.

ViaTotal flight timeLayover timeMiles
BKK Bangkok15h 25m1h 40m6274 (10095 km)
SIN Singapore18h 5m1h 15m7429 (11953 km)
HKG Hong Kong18h 15m3h 40m7296 (11739 km)
The flight times and layover times in the table above are approximate and vary depending on flight number, aircraft, airline, weather and time of day.LHR-USM flight routesLondon to Koh Samui flight routes illustrated on a map.
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London - Koh Samui route map and flight paths
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Unpublished Flight Rates From London to Koh Samui
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.

The fastest way to fly from London (LHR) to Koh Samui (USM) is via Bangkok and it will take about 15 hours and 25 minutes. The second fastest route is via Singapore and will take 18 hours and 5 minutes.

You can fly with EVA Air, British Airways or Cathay Pacific from London to Koh Samui.

The flight time between Heathrow, LHR and Samui, USM via Suvarnabhumi Airport, BKK is 15 hours and 25 minutes.

No. But you can still purchase a 1 stop flight via Bangkok, Singapore or any other route to Koh Samui (USM).

A codeshare agreement means that cooperating airlines are able to sell seats on each other’s flights. This means that you are able to travel to more destinations than your airline of choice normally offers. Codeshare flights are also beneficial because of the seamless transits you can get with connecting flights from the same airline. The downside of choosing a codeshare flight can be that you in some cases can’t upgrade codeshare flights or use elite benefits.

A connecting or transit flight means that you reach your final destination through two or more flights – in other words a non-direct flight. You will change to a new aircraft after your first flight, this may include moving to another terminal at the airport aswell. The time required to transfer passengers and luggage between flights is called Minimum Connecting Time (MCT) and are always taken into account here on Flightroutes.com.

If you bought your whole flight on a single ticket, the airline will book you on the next available connecting flight.

With connecting flights, checked in luggage is most commonly forwarded to your final destination when buying a single ticket for both flights.

If you miss your connecting flight due to circumstances outside your control such as your first flight being delayed, you should turn to your airline who will provide you with a seat on the next available flight. This is usually done free of charge, and only applies if you purchased your trip as one ticket. If the next connecting flight is the following day, the airline usually provides accommodation and meals.
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