Cheap flights from Heathrow to Ko Samui

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The best prices from Heathrow to Ko Samui are usually found in May or September, booked 56 days in advance, depart on a Tuesday or Thursday and return on a Tuesday

How to find the cheapest flight from
Heathrow (LHR) to Ko Samui (USM)

LHR - USM
Price
£615 - £1,088
Popular in December High demand for flights, 33% potential price rise
Cheapest in May Best time to find cheap flights, 16% potential price drop
Average price £634 Average for round-trip flights in September 2020
Round-trip from $615 From Heathrow to Ko Samui
Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest day to fly return from Heathrow to Ko Samui?

It’s generally more expensive to depart on a Monday, if you have to leave on this day you can still search on Cheapflights to find great options that meet your needs.

How far in advance should I book a flight from Heathrow to Ko Samui?

Travellers have found it’s best to book a flight 61 days in advance to save up to 14% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 61 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Heathrow to Ko Samui 1-2 weeks in advance for as low as £580, or £612 for flights within the next 24 hours.

What is the cheapest month to fly from Heathrow to Ko Samui?

Our data shows that September tends to be the cheapest month to fly to Ko Samui from Heathrow. Users have commonly found prices around £715 for the month, but tickets can be as low as £557. Due to multiple factors, prepare for potentially higher prices in December.

When is the cheapest time to fly from Heathrow to Ko Samui (LHR - USM)?

A simple way to save on the total cost of your ticket is to fly from Heathrow to Ko Samui in the evening. If you’re flexible enough to do this you can expect to save up to 7% on your trip compared to booking a flight in the morning.

Cheap flights from Heathrow to Ko Samui in September, October 2020

The best prices found for LHR to USM flights in September, October
5 Oct - 12 Oct
£742pp
LHR
London Heathrow
Multiple airlines
   
2 STOPS
USM
Ko Samui
USM
Ko Samui
Multiple Airlines
   
2 STOPS
LHR
London Heathrow
24 Oct - 31 Oct
£760pp
LHR
London Heathrow
Multiple airlines
   
2 STOPS
USM
Ko Samui
USM
Ko Samui
Multiple Airlines
   
2 STOPS
LHR
London Heathrow
30 Oct - 8 Nov
£774pp
LHR
London Heathrow
Etihad Airways
   
2 STOPS
USM
Ko Samui
USM
Ko Samui
Etihad Airways
   
2 STOPS
LHR
London Heathrow

Heathrow to Ko Samui 2020 flight deals

Cheap flights to Ko Samui from Heathrow found for this year
21 Nov - 4 Dec
£632pp
LHR
London Heathrow
Multiple airlines
 
1 STOP
USM
Ko Samui
USM
Ko Samui
Multiple Airlines
 
1 STOP
LHR
London Heathrow
6 Nov - 21 Nov
£673pp
LHR
London Heathrow
Multiple airlines
   
2 STOPS
USM
Ko Samui
USM
Ko Samui
Multiple Airlines
   
2 STOPS
LHR
London Heathrow
5 Oct - 12 Oct
£742pp
LHR
London Heathrow
Multiple airlines
   
2 STOPS
USM
Ko Samui
USM
Ko Samui
Multiple Airlines
   
2 STOPS
LHR
London Heathrow

Last-minute flights from Heathrow to Ko Samui

Late deals on return flights to Ko Samui from Heathrow, departing today and this week
5 Oct - 12 Oct
£742pp
LHR
London Heathrow
Multiple airlines
   
2 STOPS
USM
Ko Samui
USM
Ko Samui
Multiple Airlines
   
2 STOPS
LHR
London Heathrow
2 Oct - 9 Oct
£920pp
LHR
London Heathrow
Emirates
   
2 STOPS
USM
Ko Samui
USM
Ko Samui
Emirates
   
2 STOPS
LHR
London Heathrow
2 Oct - 4 Oct
£933pp
LHR
London Heathrow
Multiple airlines
   
2 STOPS
USM
Ko Samui
USM
Ko Samui
Emirates
   
2 STOPS
LHR
London Heathrow

Related info for your journey

Useful info, stats and facts about Heathrow to Ko Samui flights.

Flight FAQs

From Heathrow to Ko Samui

Are flight prices decreasing from Heathrow to Koh Samui due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Heathrow and Koh Samui for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

Can I find flights from Heathrow to Ko Samui for under £700 on Cheapflights?

Yes, there are multiple flights from Heathrow to Ko Samui for under £700. The cheapest flight booked recently is on Multiple Airlines for just £625, but on average you can expect to pay £743.

Are there direct flights from Heathrow to Ko Samui for under £600 on Cheapflights?

There are no direct flights from Heathrow to Ko Samui, but Cheapflights can provide you with all the information you need to find the fastest route with the fewest stops.

Are there last-minute flights available from Heathrow to Ko Samui for under £800?

There are currently 3+ open flights from Heathrow to Ko Samui within the next 7 days for less than £800.

Does it rain more in Heathrow or Koh Samui?

When travelling, it's generally smart to pack in preparation for rain or any other conditions that may arise. The rainfall in Heathrow is roughly less than Koh Samui. You can assume this to be the case over the next 18 days.

Is Heathrow weather warmer or cooler than Koh Samui?

Temperatures around the 33 °Cs can be experienced in May. The weather in Koh Samui is hotter than in Heathrow. Plan for potential changes in flight availability as peak weather approaches in this location.

How long does is the flight from Heathrow to Ko Samui?

A quick flight from Heathrow to Ko Samui can take about 14h 40m. British Airways provides one of the quickest options available for as low as £597. This flight may include one or multiple stops.

What are the cheapest airlines to flying from Heathrow to Ko Samui return?

Our cheapest airline available from Heathrow to Ko Samui is Etihad Airways. Our recent data shows that you can find tickets from as low as £572 on this airline. Additional options worth looking into are British Airways and Qatar Airways, starting at £580 and £584 round-trip. Etihad Airways is 21% cheaper than the average price of flights available within the next 90 days to this destination.

Alternative routes for Heathrow to Ko Samui

Destination information for Ko Samui

Things to know before you go. Useful info for your trip from Heathrow to Ko Samui
Today's exchange rate
£1 = ฿40.25

Airports servicing London

Airports servicing Ko Samui

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