LHR - USM

฿14,069 Find Cheap Flights from London Heathrow Airport to Ko Samui – Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Heathrow to Ko Samui departing on 8/9. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest return fare
฿30,891
Typical prices: ฿36,834-฿44,624
Multiple Airlines
Sat 10/10Sat 17/10
LHR - USM • 2 stops
Cheapest one-way flight
฿14,069
Typical prices: ฿25,216-฿26,089
Multiple Airlines
Tue 8/9
LHR - USM • 3 stops
Direct flights
Not available
There are currently no direct flights between Heathrow and Ko Samui. You’ll need at least 1 connection.
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Avoid delays
Best time • Fewest delays
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When to book
in advance
Our data shows that travellers who book at least 2 weeks in advance save around 21% compared to booking last minute.
Insights
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When to travel
Cheapest • 14% price drop
Most popular
Good to know
Good to know
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We hope you love your trip to Ko Samui!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Heathrow to Ko Samui (LHR-USM)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from Heathrow to Ko Samui that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Heathrow to Ko Samui

Sat 10 Oct - Sat 17 Oct
Multiple Airlines Logo
22:15 - 10:10
LHR
-
USM
29h 55m
2 stops
Multiple Airlines Logo
18:15 - 21:10
USM
-
LHR
32h 55m
2 stops
฿30,891Multiple Airlines
Thu 10 Sep - Thu 17 Sep
Multiple Airlines Logo
10:00 - 12:45
LHR
-
USM
20h 45m
2 stops
Multiple Airlines Logo
15:50 - 06:55
USM
-
LHR
21h 05m
2 stops
฿31,159Multiple Airlines
Tue 24 Nov - Thu 17 Dec
สวิส อินเตอร์เนชั่นแนล แอร์ไลน์ Logo
09:00 - 10:40
LHR
-
USM
18h 40m
2 stops
สวิส อินเตอร์เนชั่นแนล แอร์ไลน์ Logo
10:00 - 21:40
USM
-
LHR
18h 40m
2 stops
฿31,159สวิส อินเตอร์เนชั่นแนล แอร์ไลน์
Sun 1 Nov - Fri 13 Nov
สวิส อินเตอร์เนชั่นแนล แอร์ไลน์ Logo
06:00 - 21:05
LHR
-
USM
32h 05m
2 stops
สวิส อินเตอร์เนชั่นแนล แอร์ไลน์ Logo
09:20 - 13:00
USM
-
LHR
34h 40m
2 stops
฿31,159สวิส อินเตอร์เนชั่นแนล แอร์ไลน์
Thu 10 Sep - Thu 17 Sep
Multiple Airlines Logo
10:00 - 14:45
LHR
-
USM
22h 45m
2 stops
Multiple Airlines Logo
14:35 - 06:55
USM
-
LHR
22h 20m
2 stops
฿31,159Multiple Airlines
Tue 8 Sep - Tue 15 Sep
Multiple Airlines Logo
06:15 - 10:45
LHR
-
USM
22h 30m
3 stops
Multiple Airlines Logo
06:00 - 21:25
USM
-
LHR
21h 25m
3 stops
฿31,260Multiple Airlines
Wed 9 Sep - Wed 16 Sep
สวิส อินเตอร์เนชั่นแนล แอร์ไลน์ Logo
13:50 - 13:10
LHR
-
USM
17h 20m
2 stops
สวิส อินเตอร์เนชั่นแนล แอร์ไลน์ Logo
09:15 - 21:45
USM
-
LHR
18h 30m
2 stops
฿31,294สวิส อินเตอร์เนชั่นแนล แอร์ไลน์
Wed 30 Sep - Wed 14 Oct
Multiple Airlines Logo
06:00 - 17:45
LHR
-
USM
29h 45m
2 stops
Multiple Airlines Logo
08:45 - 21:45
USM
-
LHR
19h 00m
2 stops
฿31,294Multiple Airlines
Wed 30 Sep - Thu 15 Oct
Multiple Airlines Logo
07:25 - 16:35
LHR
-
USM
27h 10m
2 stops
Multiple Airlines Logo
08:45 - 21:45
USM
-
LHR
19h 00m
2 stops
฿31,327Multiple Airlines
Fri 11 Sep - Fri 18 Sep
เอทิฮัดแอร์เวย์ Logo
14:45 - 14:45
LHR
-
USM
18h 00m
2 stops
เอทิฮัดแอร์เวย์ Logo
20:35 - 12:45
USM
-
LHR
22h 10m
2 stops
฿34,047เอทิฮัดแอร์เวย์
Booking Insights

KAYAK's insights & trends for Heathrow to Ko Samui flights

Get data-powered insights and trends into flights from Heathrow to Ko Samui to help you find the cheapest flights, the best time to fly and much more.

How much is a return flight from London Heathrow Airport to Ko Samui?

This analysis is based on the cheapest return trip price found on KAYAK in the last 12 months by searching for a flight from London Heathrow Airport to Ko Samui departing in October.

Flight prices are below average for this route right now.

Flights to Ko Samui from London Heathrow Airport usually cost between ฿34,920 and ฿50,298 in October.
The lowest price found in the past 5 days was ฿30,891 on Multiple Airlines (10 Oct–17 Oct).

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from London Heathrow Airport to Ko Samui, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from London Heathrow Airport to Ko Samui is November, where tickets cost ฿35,625 (return) on average. On the other hand, the most expensive months are December and July, where the average cost of round-trip tickets is ฿55,805 and ฿44,926 respectively.

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

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from London Heathrow Airport to Ko Samui, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from London Heathrow Airport to Ko Samui, you should book around 2 weeks before departure, which saves you about 21% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 15 weeks before departure.

Good to know

Low season

November

Cheapest flight

฿14,069
Best time to beat the crowds (15% less expensive on average)
Most popular time to fly (1% more expensive on average)
Flight from London Heathrow Airport to Ko Samui

When to book flights from Heathrow to Ko Samui

Are your dates flexible? Find out the best times to travel from Heathrow to Ko Samui based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or returns with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking London Heathrow Airport to Ko Samui flights

  • How do you get from downtown London to London Heathrow Airport?

    London Heathrow’s central bus station operates 24h, and it is a few minutes’ walk from Terminal 2 and 3. National Express and Megabus operate buses from various destinations in the city to the airport. Several car rental services, including Hertz, Europcar, SIXT, and Budget, have pickup points across London city. Piccadilly Line trains, rideshare cabs, the Heathrow Express train are alternative transfer options from downtown London to Heathrow.

  • Are there designated smoking areas at London Heathrow?

    There are no designated smoking zones past the security area. Passengers in transit aren’t permitted to smoke during the connection process. Smoking areas are located outside the terminal, so you will have to pass through security control before being allowed into the departure lounge.

  • Are there lounges at London Heathrow?

    There are numerous lounges at London Heathrow, including Plaza Premium Lounge in Terminal 2 and Club Aspire in Terminal 3. Terminal 4 users will have access to Sky Lounge, while Terminal 5 users can take advantage of Aspire Lounge & Spa.

  • Are there lounges at Koh Samui Airport?

    There are lounges for arriving passengers at Koh Samui Airport, irrespective of their airline. You can access a lounge through a membership program or purchase a lounge pass or pay at the door. Blue Ribbon Club Lounge is available at all terminals, and its services include restrooms, reading areas, magazines and newspapers, beverages, foods, and Thai massage.

  • Are there transportation options from Koh Samui Airport to the city centre?

    Taxis from the airport to the city centre are readily available in the ground transportation area. Ride-share and private minivans are a cheaper alternative transfer option to Chaweng Beach. A taxi ride to Chewang Beach from the airport takes around 9min, and it costs approximately ฿120 (£3).

  • Where do you fly through from London Heathrow to Samui Airport?

    Flights from London Heathrow to Samui Airport stops at least twice at Zurich and Bangkok before the plane touches down at Samui Airport. You may also fly to Samui Airport from Heathrow through Vienna and Bangkok, but your flight will be a little longer.

  • What is the cheapest flight from London Heathrow Airport to Ko Samui?

    In the last 5 days, the lowest price for a flight from London Heathrow Airport to Ko Samui was ฿14,069 for a one-way ticket and ฿30,891 for a return.

  • Which aircraft models fly most regularly from London Heathrow Airport to Ko Samui?

    We unfortunately don’t have that data for this specific route.

  • How does KAYAK find such low prices on flights from London Heathrow Airport to Ko Samui?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from London Heathrow Airport to Ko Samui.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from London Heathrow Airport to Ko Samui?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Ko Samui from London Heathrow Airport is likely to change within 7 days, so travellers know whether to wait or book now.

  • What is the Hacker Fare option on flights from London Heathrow Airport to Ko Samui?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to Ko Samui with an airline and back to London Heathrow Airport with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from London Heathrow Airport to Ko Samui?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Ko Samui from London Heathrow Airport up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

KAYAK’s top tips for finding a cheap flight from London Heathrow Airport to Ko Samui

  • Koh Samui Airport is the hub for Bangkok Airlines. Airlines that operate flights from London Heathrow to Kho Samui Airport include SWISS, Bangkok Airlines, Turkish Airlines, and Etihad Airways.
  • There are no baggage storage and lockers at Koh Samui Airport (USM), but there are free luggage trolleys to help you move with your bags from one terminal to another
  • There are several ways to keep yourself engaged as you await your flight from London Heathrow (LHR) to Koh Samui. Head to Terminal 5 and find an art gallery near Premium Check-in counters.
  • Heathrow Airport has observation areas at the Wondertree in Terminal 2 and the Traveller Lounge in Terminal 3. If you are in Terminal 5, head to Gates 15 and 16 and watch planes as they land and take off in the Southern Runway. The Gordon Ramsay Plane Food at Terminal 5 offers fantastic viewing points.
  • London Heathrow offers resting zones with recliner seats across all terminals. Terminal 3 Departures level has a resting zone with snack machines, lounges, and sofas.

Everything you need to know for your flight from Heathrow to Ko Samui

Information on your arrival and departure airports