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Everything you should know

Cheapest return flight
£664
Typical prices: £820-£1,195
Multiple Airlines
Mon 8/10Fri 12/10
MAN - USM • 3 stops
Cheapest one-way flight
£344
Typical prices: £497-£758
Multiple Airlines
Sat 1/12
LHR - USM • 2 stops
Top airlines
Best reviews • 8.5 score
Airline reviews
Airline reviews
Top routes
Cheapest • 18% average savings
Most popular
Insights
Insights
When to book
in advance
Our data shows that travellers who book at least 13 weeks in advance save around 15% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 16% price drop
Most popular
Good to know
+1
Good to know
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We hope you enjoy your trip to Ko Samui!
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Booking Insights
Expert advice
Flight Deals

Cheap Flights to Ko Samui

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals to Ko Samui

Thu, 8 Oct - Mon, 12 Oct
Multiple Airlines Logo
06:00 - 20:25MAN  Manchester-USM Ko Samui
32h 25m3 stops Dublin Doha Hamad Intl Phuket City
Multiple Airlines Logo
08:00 - 06:55USM  Ko Samui-MAN Manchester
28h 55m2 stops Phuket City Abu Dhabi Zayed Intl
£664Multiple Airlines
Sun, 1 Nov - Sun, 15 Nov
Multiple Airlines Logo
06:25 - 15:35LGW  London Gatwick-USM Ko Samui
26h 10m3 stops Athens Eleftherios V. Sharjah Bangkok Suvarnabhumi
Multiple Airlines Logo
18:40 - 15:35USM  Ko Samui-LGW London Gatwick
27h 55m2 stops Bangkok Suvarnabhumi Sharjah
£671Multiple Airlines
Tue, 3 Nov - Thu, 3 Dec
SWISS Logo
09:00 - 10:40LHR  London Heathrow-USM Ko Samui
18h 40m2 stops Zurich Phuket City
SWISS Logo
09:20 - 21:40USM  Ko Samui-LHR London Heathrow
19h 20m2 stops Bangkok Suvarnabhumi Zurich
£691SWISS
Tue, 24 Nov - Thu, 17 Dec
SWISS Logo
13:45 - 15:35LHR  London Heathrow-USM Ko Samui
18h 50m2 stops Zurich Bangkok Suvarnabhumi
SWISS Logo
10:00 - 08:05USM  Ko Samui-LHR London Heathrow
29h 05m2 stops Bangkok Suvarnabhumi Zurich
£700SWISS
Sun, 15 Nov - Tue, 24 Nov
Air France Logo
17:35 - 21:05LHR  London Heathrow-USM Ko Samui
20h 30m2 stops Paris Charles de Gaulle Singapore Changi
Air France Logo
11:40 - 07:55USM  Ko Samui-LHR London Heathrow
27h 15m2 stops Hong Kong Intl Paris Charles de Gaulle
£723Air France
Wed, 2 Dec - Wed, 16 Dec
Austrian Airlines Logo
06:00 - 19:50LHR  London Heathrow-USM Ko Samui
30h 50m2 stops Vienna Intl Bangkok Suvarnabhumi
Austrian Airlines Logo
09:20 - 21:40USM  Ko Samui-LHR London Heathrow
19h 20m2 stops Bangkok Suvarnabhumi Vienna Intl
£724Austrian Airlines
Sun, 15 Nov - Tue, 24 Nov
Air France Logo
17:35 - 21:05LHR  London Heathrow-USM Ko Samui
20h 30m2 stops Paris Charles de Gaulle Singapore Changi
Air France Logo
11:40 - 07:55USM  Ko Samui-LHR London Heathrow
27h 15m2 stops Hong Kong Intl Paris Charles de Gaulle
£727Air France
Sun, 29 Nov - Wed, 16 Dec
Austrian Airlines Logo
09:05 - 15:35LHR  London Heathrow-USM Ko Samui
23h 30m2 stops Vienna Intl Bangkok Suvarnabhumi
Austrian Airlines Logo
10:00 - 21:40USM  Ko Samui-LHR London Heathrow
18h 40m2 stops Bangkok Suvarnabhumi Vienna Intl
£728Austrian Airlines
Tue, 27 Oct - Wed, 2 Dec
Etihad Airways Logo
13:50 - 17:30MAN  Manchester-USM Ko Samui
44h 40m2 stops Abu Dhabi Zayed Intl Phuket City
Etihad Airways Logo
10:00 - 06:15USM  Ko Samui-MAN Manchester
27h 15m2 stops Bangkok Suvarnabhumi Abu Dhabi Zayed Intl
£742Etihad Airways
Tue, 27 Oct - Wed, 2 Dec
Etihad Airways Logo
13:50 - 11:55MAN  Manchester-USM Ko Samui
39h 05m2 stops Abu Dhabi Zayed Intl Phuket City
Etihad Airways Logo
07:55 - 06:15USM  Ko Samui-MAN Manchester
29h 20m2 stops Bangkok Suvarnabhumi Abu Dhabi Zayed Intl
£746Etihad Airways
Booking Insights

Price, demand, and travel trends for United Kingdom to Ko Samui flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights from the United Kingdom to Ko Samui with more confidence.

What is the cheapest flight to Ko Samui?

Manchester to Ko Samui is the cheapest route at £664 return, found in the past 5 days on KAYAK. London Heathrow Airport to Ko Samui is the most popular connection with return deals from £691.

How much is a flight to Ko Samui?

A return flight to Ko Samui costs £963 on average, based on data over the past 12 months on KAYAK. Return fares from Manchester average £947, while London runs a bit higher at £958.

What is the cheapest day to fly to Ko Samui?

Monday is the cheapest day to fly to Ko Samui at £922 return on average over the past 12 months on KAYAK. Friday is the most expensive at £1,052.

What is the cheapest month to fly to Ko Samui?

•November is the cheapest month to fly to Ko Samui with an average price of £814 return.
•December (£1,259) and July (£1,110) are the most expensive.
•Based on KAYAK data over the past 12 months.

What is the cheapest time of day to fly to Ko Samui?

Evening flights to Ko Samui are the cheapest at £846 return on average. Morning flights are the most expensive at £1,044.

What is a good deal for flights to Ko Samui?

Flights under £820 are considered a good deal. 25% of KAYAK users found return flights to Ko Samui at or below these prices, with the lowest fares from:
•Birmingham £717
•Manchester £808
•London £819.

When are flights to Ko Samui the cheapest?

Flights to Ko Samui are cheapest 13 weeks before departure. Booking in this window typically costs about 15% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Expert advice

Expert advice for your flight to Ko Samui

 
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Robert Schrader

Robert Schrader

Expert on Thai Airways and EVA Air

One of the web's original travel bloggers, Robert launched his first site, Leave Your Daily Hell, in 2009. Since then, he's expanded into destination niche sites (one each for Japan, Thailand and Taiwan), in addition to having written for the inflight magazines of Singapore Airlines and Korean Air. Overall, he's visited nearly 100 countries, and flies business as often as possible.

Stefanie Waldek

Stefanie Waldek

Expert on Qatar Airways

Stefanie Waldek is a freelance space, travel, and design writer based in Saratoga Springs, NY. Her words have appeared in Space.com, Travel + Leisure, Condé Nast Traveler, Architectural Digest, and House Beautiful, among other publications. An expert in aviation and expedition cruising, Stefanie is frequently up in the air or out at sea, likely en route to Antarctica or the Arctic.

Chris Dong

Chris Dong

Expert on Singapore Airlines

Chris is a consumer travel reporter covering aviation, trending travel news, hotels, and loyalty programmes – all for leading global publications like Travel + Leisure, The Washington Post, AFAR, and more. In addition to writing, Chris is a video host for Travel + Leisure, giving consumers an inside look at the latest in air travel.

Duncan Madden

Duncan Madden

Expert on British Airways

Duncan is a freelance travel writer, copywriter and book author in constant search of travel stories and the perpetual sensation of being on holiday. He’s never happier than when on a dusty trail in search of empty waves or ducking under the piste tape in search of snowbound solitude. British born, living in Germany, but happiest heading for the horizon. His first book, Found in Translation, explores the etymologies and stories of country names around the world and is out now.

Blane Bachelor

Blane Bachelor

Expert on KLM

Blane Bachelor is a journalist and editor specialising in travel and aviation who writes regularly for top global outlets. Born and raised in Florida, Blane has worked and lived in four countries, including the Netherlands, where she’s currently based with her family. Her favourite way to get to know a new destination is by running or riding a bike around town – or hearing a spooky ghost story about local history.

Key details for flights to Ko Samui

Low season

October

Cheapest flight

£344
Best time to beat the crowds (4% less expensive on average)
Most popular time to fly and prices are also 3% lower on average.
Flights from London Heathrow Airport to Ko Samui

When to book flights to Ko Samui

Are your dates flexible? Find out the best times to travel to Ko Samui based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price

Your questions about flights to Ko Samui, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines, and booking questions.

  • How do I know if a flight to Ko Samui is a good deal?

    A good deal on a flight to Ko Samui is around £820 return. This fare is in the lowest 25% of return flight prices searched on KAYAK, averaged across the cities most often searched as origins by KAYAK users.

  • Where can I fly from to get the cheapest fares to Ko Samui?

    Based on fares booked in the past 5 days, the cheapest flights to Ko Samui are from:
    • London, from £671 return

  • How expensive are last-minute flights to Ko Samui?

    Last-minute fares to Ko Samui – booked within 2 weeks of departure – run 8% above the average return fare of £963.

  • What is the difference between the most popular and the most frequent airline at Ko Samui?

    Singapore Airlines operates the most flights from the United Kingdom to Ko Samui at 0 per week, while Thai Airways is the airline most often selected by KAYAK users searching for flights from the United Kingdom to Ko Samui. The two are often different because flight volume reflects an airline's schedule, while popularity reflects traveller choice.

  • Which airlines offer flights to Ko Samui?

    Several airlines fly to Ko Samui from the UK, although none of them offer a direct service. Thai Airways, British Airways, Singapore Airlines and Emirates are among the major global carriers that service the airport, including at least one stopover in a major hub such as Bangkok, Singapore or Dubai. Ko Samui Airport is in fact owned and operated by Bangkok Airways, which offers many connecting flights to Bangkok or other airports within Thailand.

  • What is the fastest way to reach the ferry port from Ko Samui Airport?

    If you are continuing your journey by ferry after a flight to Ko Samui, both Raja Ferry and Seatran Ferry are accessible from the airport. Nathon Pier (Seatran) is around a 40min drive from the airport, while it takes 55min to reach the Raja Ferry port. Pre-booked taxis are the best way to make sure you reach your connection, costing around ฿800 (£20) and ฿1,000 (£24) respectively.

  • Does Ko Samui Airport offer island-wide taxi services?

    If you are not renting a car, the best way to get around the island is by taxi. These can be booked online in advance or at the Samui Accomm taxi counter in Arrivals. Rates are fixed depending on your destination, starting from around ฿400 (£9.60) to Bophut and reaching ฿1,000 (£24) for Lipa Noi. Shared minivans are also available, although they will normally only depart when at least 5 passengers on board. Fares vary from ฿100 (£2.40) for a nearby destination to ฿400 (£9.60) if you are travelling to the opposite side of the island.

  • Is there an on-site hotel at Ko Samui Airport?

    No, travellers on late flights to Ko Samui will need to book accommodation nearby. Fortunately there are several options to choose from, and the majority of hotels on the island will offer a transfer service. Both the Samui Pier Beach Front Resort and Saboey Resort & Villas are just 5min from the terminal building.

  • How can I draw local currency at Koi Samui Airport?

    You will be able to draw local currency after flights to Ko Samui Airport. There are several branches of banks, such as KBank, that have cash-point machines on site for your convenience, from which you can draw baht. There is also a currency exchange counter based in the departures terminal.

  • What happens if I need medical assistance at Ko Samui Airport?

    The airport will be able to arrange an intensive care ambulance for any serious medical problems. The vehicles have a fully installed intensive care unit, so you will be treated before you even arrive at the hospital. You can book with the airport before you land or through the information counter. For smaller medical issues, there is a first-aid station based north of the arrivals hall at the airport.

Your guide to booking Ko Samui flights

From booking to airport arrival, find tips to help you plan your flight with more confidence.
  • For the best chance at a low fare to Ko Samui, aim to book around 13 weeks before you fly. That window historically saves about 15% versus last-minute pricing based on KAYAK booking data over the last 12 months.
  • For flights to Ko Samui, recent KAYAK data shows that stronger deals tend to be around £820 return. If you see a fare below that threshold, it's a good deal – book before the price climbs back up.
  • If you can choose when to go, aim to travel to Ko Samui in November. Return fares historically average £814 that month – typically the cheapest month to travel based on the last 12 months.
  • Before you book:

    • Check the route's typical price range so you can spot a deal.
    • Confirm baggage fees and seat selection costs on budget carriers.
    • Verify whether you need any travel documents beyond an ID.
    • Pick a departure airport, since your nearest may not be the cheapest origin.
  • Shift your departure to afternoon to save up to £198 per return. Afternoon flights to Ko Samui average £846 compared to £1,044 for morning flights. See the time-of-day chart above for the full breakdown.
  • Once you arrive in Ko Samui, a few great places to start are Lamai Beach, Chaweng Beach, and Bophut Beach. These are popular with first-time visitors and can give you a good feel for the area.
  • Ko Samui Airport (USM) is a popular gateway for travellers to southern Thailand. As the island receives international flights, it is a useful point of entry for those looking to reach other nearby islands including Ko Pha-ngan, Ko Phaluai and Ko Taen.
  • Often described as ‘the most beautiful airport in the world’, Ko Samui Airport is largely outdoors. Immediately upon arrival you can start soaking up the sun or relax in landscaped areas surrounded by tropical plants, fish and bamboo seating.
  • If you would prefer a more exclusive area, Blue Ribbon Club Lounges are available in both Domestic and International Departures. Show your lounge membership or book a prepaid pass to access beverages, internet, TV and newspapers.
  • Feeling peckish after your flight to Ko Samui? Samui Park Avenue, the retail area of the airport, offers various options including a sports bar, Whittard Coffee and Tea, The Blue Elephant and an international food court.
  • Travellers wishing to relax after long flights to Ko Samui can enjoy a traditional Thai massage before continuing their journey. Soul to Sole offers various treatments to rejuvenate body and mind.
  • A small selection of shops are available at Ko Samui Airport, selling cosmetics, clothing, accessories and local souvenirs, as well as camera equipment and electronics.
  • Why not zip between beaches at your leisure by hiring a car when you arrive at the airport? There is a branch of SIXT which accept car hire payments by credit or debit card. You can find them at the domestic arrivals exit on the first floor. You can also find Hertz, Budget and Alamo. Save time by booking ahead on KAYAK.
  • If you are travelling further and taking a domestic flight from Ko Samui International Airport (USM), you will find a section that is great to relax in before you take off. Look for the Samui Park Avenue area, which is a large complex based in the main concourse. It sometimes hosts live entertainment like jazz music to watch while you catch up on e-mails.
  • If you take a flight off the island, you will find the furniture at the departure gates of Ko Samui Airport quite unique. With bamboo and fabric chairs in the main seating area, the furniture is plush and luxurious and a great space to relax in before take-off.

Reviews of the top 5 airlines flying to Ko Samui

 
Need help choosing which airline to fly with to Ko Samui? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.5
EVA AirOverall score based on 1534 reviews
8.1Food
8.0Entertainment
8.4Boarding
8.3Comfort
8.7Crew
Airline reviews

I put the review all together for the first review

6.0 GoodRichard, Apr 2026
Read more EVA Air reviews

I put the review all together for the first review

I liked that they gave us a couple of meals and drinks but the meal was not good and not many options especially if we are seated in the back of the plane.

Again on this leg the WiFi wouldn't work. The seats were comfortable with adequate cushion and space between seats for my legs. Very nice 3-hour flight.

Everything was great, however the seats in the back are very small. Not as Comfortable as I would have liked.

Excellent food. Good service. Crammed Premium Economy seats. I Asked to change seats during check in. They told me the flight was fully booked. But on board I saw empty seats where I could have been easily relocated.

Good. Please add a non- applicable category to your questions.

Amazing crew, excellent food, business class seats seem a bit dated but are super comfy even for a very tall person. If continuing onto Taipei, the stopover in Bangkok is a bit annoying (queue at security) though the lounge is decent.

Boarding is fast and easy for economy class, food was ok baggage policies are good

Everything was fantastic! It was a short flight but the crew really went above and beyond to make it a great flight. I felt cared for with EVA.

Delayed due to no fault of flight crew. Efficient and worked well together.

It was all good. Lovely attention by the crew. I lost my glasses but they did everything and eventually found them. They clean the toilets regularly which is a big plus for me.

Really great service throughout and the food was really nice. I can highly recommend thank you very much.

No frills airline with minimal leg room and no entertainment

Service excellent would chose Singapore airlines as my first choice

A 16 hour flight from Singapore to Los Angeles had only 2 meals. It would be great to have 3 meals.

Perfect experience from boarding through to leaving the flight, comfortable and personalised service from all staff, highly recommended

Transfer within the same terminal and lots of facilities at the airport.

The male traveller seated in the row in front diagonally opposite my husbands seat across the aisle as soon as the seatbelt sign went off moved across the aisle into the seat in front of my husband for the entire journey from London to Singapore he had his seat reclined and pushed back and the seat touching my husbands knees for the entire journey from London to Singapore. very uncomfortable for my husband.

Airport lounge for business class is too crowded and not comfortable. Poor foods and facilities. Boarding was delayed. A lot of coughing people in the flight even in the business class, which indicated poor screening and health risks.

More Baggage limit Alternative of virtual check in at airport , prefer personal touch with “real person”check in counter for baggage drop

There was no screens on the flight, and no wifi with which we could connect to the internet and stream any content. This was a smaller plan so the business class seats were a bit tight. No hot towels or welcome drinks like when you fly on the bigger TG on the same route. The food was excellent, much better than the previous Thai airways business class meals. It was also nice that they offered eye masks for easy sleeping.

Excellent service in business class. Well worth the slightly higher fare as it includes lounge access, additional luggage weight and a full hot meal on board.

We still get drinks and a snack. Love the gift bags too.

Excellent airline. The plane was clean and the staff were very attentive

I'm not interested in improving the airline. Therefore, I won't explain this in more detail. Next time I'll try a different one.

The flight (boarding) was delayed by 40-50 minutes and there was very crowed. They need to improve on the timeliness & boarding process. (They asked passenger to board in groups, but the 2nd group was standing there waiting for 20 minutes!). However, services from the crew was very good, also the food was good as well. I also found the legroom was quite comfortable.

Except that our flight was cancelled, by mail, and later moved to 12 hours prior, then the experience was good. In Bangkok we were offered a hotel, it was fine, but would have been nice to know in advance😉

Although booked meal of fruit only The crew had not received this special meal The same happened on my flight Bangkok / CAN The films are so old that best is to use own computer to watch downloads . Serve nuts but they do not warm up . Service is attentive , WC clean

Check in was a disaster. 90 minutes and only 2 economy check in desks open. Had to rush to catch the flight.

I couldnt go on this flight and lost all my money over 1,000 UK Pounds as my visa to Myanmar was not accepted :(

Very lovely aircraft and crew. Seats were comfortable and the food was great and served swiftly. Delayed flight due to a passenger coming off the flight but overall a great experience

This flight was a very good trip for us. The crew were very friendly and helpful. They made arrangements for my husband to have assistance in boarding. We were not expecting a meal, so it was a pleasant surprise on this short flight to have a meal and beverage from a very courteous crew.

I prebooked a comfort plus seat on this flight and therefore the flight was comfy. I got the correct seat in the correct section of the plane that I have booked, that's this. Flight was comfortable. Staff were average on the flight, appearing to be rushed and short in engagement with travellers, perhaps this to maximise there rest time on the flight.

Terrible experience resolving missed connection after flight was delayed. 3 hour queue at transit desk, not enough staff, no organisation, worst ever flying experience.

The rows of seats in economy class are seriously close to one another making eating and resting just about impossible - there is hardly any legroom. Anyone larger than average size would have an incredibly uncomfortable flight. I had to basically share my seat with the lady passenger next to me as she was too big to fit into her allotted seat.

Staff was very friendly. There is no on board entertainment, but it’s such a short flight that it doesn’t matter. We also got a meal which was nice and unexpected due to the length of the flight.

Flight was fine overall. What you would expect from economy seats. I did appreciate the amenities (eyemask, earplugs, small toothbrush and toothpaste, thin socks).

Food was good, attendants were friendly. Seats were not comfortable. Did not receive any amenities such as eyemask or earplugs that would have helped sleep. Additionally a large group of passengers boarded very late into boarding and were a disruption for almost the whole flight. Flight attendants did their best but the kids were making so much noise, kicking seats, and half the time no adult was sat with them so they weren’t being managed.

I staff or crew they were very friendly and humbly, they done theirs service very well, I appreciate them and thank you to the company or Qatar 🇶🇦 Government for providing as good service in their flight ,once again, thank you 😊 🙏 😀 😉 👍

Crews are very rude and unhelpful. Cramped seats in economy. Foods are useless

Premium economy was not what was shown, no leg riser, seats were broken and do not recline more than economy, food, we couldn't eat it was so bad, no menu 1 item and it sucked.

Our original flight was cancelled. This was a slightly earlier flight. We were business class and it was very good. The staff were marvellous and very helpful. Pity our baggage didn't make it!

British Airways is very good... Taxiing after landing took 35 minutes, can't really blame the airline but the terrible infrastructure at JFK.

Our section of the aircraft in premium economy was very cold. We asked the attendants twice to raise the heat but it never happened. Even with the blanket it was chilly for 10 1/2 hours

Really slow transfer after getting off the plane at Manchester, and lost luggage! Take the train, terrible experience on arrival

Because kayak scammed me with false advertisement saying 23kg was included but I ended up having to pay another £200

The flight was canceled and I was directed to Air France two days later than my plan departure day. This involve getting two more days of hotel and also not being able to get a boarding pass until I got to the Istanbul Air France boarding desk. It has been a troubling time.

I didn’t take that flight. My original flight was cancelled from Los Angeles. They rebooked me following day through Montreal My flight was LAX to YUL and YUL GVA

It makes no sense for several types of drinks to already be out of stock in the middle of the flight.

It’s the old style plane with the old Ying Yang seats doesn’t compare to other airlines with newer planes.

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