$506 Cheap Flights from United Kingdom to Samui
One-way
Departing from
United Kingdom
Going to
Samui
Ko Samui (USM)
Thailand • March, 2027
84% AI deal score
$1,375 $517
Ko Samui (USM)
Thailand • July, 2026
83% AI deal score
$1,500 $631
Ko Samui (USM)
Thailand • May, 2026
80% AI deal score
$1,475 $604
Ko Samui (USM)
Thailand • May, 2026
74% AI deal score
$1,475 $506
Ko Samui (USM)
Thailand • April, 2026
74% AI deal score
$1,475 $933
This is the lowest one-way flight price found by RatePunk users in the last 24 hours for a flight going to Samui. Fares are subject to change and may not be available for all dates. (Data last updated 4/29/2026).
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Top Cheap Flight Deals from United Kingdom to Samui
Recent round-trip flight deals to Samui
Mon, Nov 2 - Sun, Nov 15
Cheapest
London (LHR) - Ko Samui (USM)
Austrian Airlines airlines • 2 stops • Vienna (VIE), Bangkok (BKK)
Ko Samui (USM) - London (LHR)
Austrian Airlines airlines • 2 stops • Bangkok (BKK), Vienna (VIE)
$2,333
Mon, Jun 8 - Mon, Jun 22
London (LHR) - Ko Samui (USM)
Swiss International Air Lines airlines • 2 stops • Zürich (ZRH), Bangkok (BKK)
Ko Samui (USM) - London (LHR)
Swiss International Air Lines airlines • 2 stops • Bangkok (BKK), Zürich (ZRH)
$10,250
$7,671
-$2,579
25%
Mon, Jul 13 - Sat, Jul 25
London (LHR) - Ko Samui (USM)
Swiss International Air Lines airlines • 2 stops • Zürich (ZRH), Bangkok (BKK)
Ko Samui (USM) - London (LHR)
Swiss International Air Lines airlines • 2 stops • Bangkok (BKK), Zürich (ZRH)
$10,250
$7,682
-$2,568
25%
Tue, May 12 - Sun, Jun 7
London (LHR) - Ko Samui (USM)
Swiss International Air Lines airlines • 2 stops • Zürich (ZRH), Singapore (SIN)
Ko Samui (USM) - London (LHR)
Swiss International Air Lines airlines • 2 stops • Bangkok (BKK), Zürich (ZRH)
$11,000
$10,047
-$953
9%
Mon, Jul 13 - Sat, Jul 25
London (LHR) - Ko Samui (USM)
Swiss International Air Lines airlines • 2 stops • Zürich (ZRH), Bangkok (BKK)
Ko Samui (USM) - London (LHR)
Swiss International Air Lines airlines • 2 stops • Bangkok (BKK), Zürich (ZRH)
$20,500
$15,369
-$5,131
25%
Mon, Jun 8 - Mon, Jun 22
London (LHR) - Ko Samui (USM)
Swiss International Air Lines airlines • 2 stops • Zürich (ZRH), Bangkok (BKK)
Ko Samui (USM) - London (LHR)
Swiss International Air Lines airlines • 2 stops • Bangkok (BKK), Zürich (ZRH)
$20,500
$15,363
-$5,137
25%
The cheapest time to fly to Samui
Ready to jet to Samui on a budget? Check out these popular routes with surprisingly cheap fares (one-way prices):
Last-Minute Flights from United Kingdom to Samui
Need to get to Samui ASAP? Even if you're booking a flight on short notice, there are often last-minute deals available:
Next 2 weeks deals
Last Minute Flight Deals
We found last minute flight deals to Ko Samui, Thailand starting from $438, departing over the next two weeks.
⌛ Last-Minute
London - USM
A great last-minute steal for a cross-country flight.
Found 1 week ago
$10047
round-trip
⌛ Last-Minute
London - USM
A great last-minute steal for a cross-country flight.
Found 1 week ago
$438
one-way
Tip: If you don’t see your city listed, try a quick search anyway – new deals appear daily. Airlines sometimes slash prices a few days before departure to avoid empty seats.
Keep in mind, while last-minute fares can be lucky finds, booking about a month in advance generally yields cheaper flights on average. If you have flexibility, try to plan ahead. But if an unexpected trip to Samui pops up, check our site – you might get lucky with a sudden fare drop.
Facts About Flights from United Kingdom to Ko Samui
To help you plan your journey, here are some quick Ko Samui flight facts and tips.
Ko Samui airports
Ko Samui is served by one primary airport: Samui Airport (USM). This privately-owned airport is known for its unique, open-air design, featuring tropical gardens and wooden structures that blend seamlessly with the island's natural environment. While not a large airport, USM offers flights to both domestic and international destinations, primarily connecting to Bangkok and other major cities in Southeast Asia. Due to its private ownership, flights to and from Samui Airport may be more limited and potentially pricier compared to airports served by multiple airlines. However, its convenience and proximity to popular resorts make it a desirable gateway to this beautiful island.
Pro tip: search “Ko Samui (Any)” to see fares to all Ko Samui airports – sometimes one is cheaper than the others on your dates.
Insights for flights to Samui
Cheapest airport
Surat Thani (URT)
Looking for a savvy way to visit Ko Samui? Consider flying into Surat Thani Airport (URT), a bustling hub on the mainland. From there, you can hop on a ferry for a scenic journey to the island, often saving you some serious cash compared to flying directly to Ko Samui! It's a win-win: a lighter travel budget and an extra mini-adventure.
Nonstop vs. 1-stop
20+ cities
Ko Samui Airport (USM) is a secondary airport, not a major hub, but it still offers connections to over 20 cities! Popular routes include Bangkok, Phuket, and Singapore, making it a convenient gateway to island paradise.
Number of airlines
10+ airlines
Ko Samui is served by more than 10 airlines, including both full-service carriers like Bangkok Airways and Thai Airways, and low-cost options such as Nok Air and Thai Lion Air.
Typical price range (round-trip)
$500 - $1200
Generally, flights to Ko Samui range from $500 to $1200. Prices tend to increase during peak tourist seasons like December and August due to higher demand. Keep an eye out for deals during the shoulder seasons (April-June and September-November) for better rates!
Flight frequency
100+ flights
Flights to Ko Samui are generally available throughout the week, but the frequency can increase during peak tourist seasons like December and August. You might find more flight options during the day compared to late at night.
USM Airport Deal Stats
Current most discounted routes
Avg. most discounted routes (last 3 months)
USM airport insights
Best days to catch a deal
Fri, Tue
Based on the data, Monday and Thursday appear to be the days when the cheapest deals to Samui airport were most frequently found. Sunday also shows a relatively high frequency of deals compared to other days.
Avg. deal survival time
8.4 hours
Deals for Samui Airport typically last for about 8.4 hours. You'll need to act fast to secure these deals before they disappear.
Rare deal frequency
15 deals
We discovered 15 rare flight deals for Samui Airport in the last month, thanks to our advanced AI. These rare finds, scoring 90+ on our AI Deal Score, typically include mistake fares, special promotions, or ultra-discounts.
Average price drop
-36%
Travelers to Koh Samui can rejoice as the average price drop for flights to Samui Airport is a substantial 35.5%. This means potential savings for your trip to this beautiful island destination.
Next 4 weeks: deal forecast
Samui Flight Forecast (May 2026)
The forecast for Samui (USM) in May 2026 indicates stable flight prices with a slight increase expected towards the end of the month due to increased tourist activity. Travelers are advised to book flights in advance to secure the best possible deals.
Top 5 biggest price drops (last 3 months)
Found on April 19
Kingston - USM
$3,075 → $734
76%
Found on April 17
Perth - USM
$800 → $215
73%
Found on April 21
Malta - USM
$1,675 → $530
68%
Found on April 18
Manchester - USM
$1,475 → $506
66%
Found on April 17
Athens - USM
$960 → $369
62%
Check these nearby airports too
Looking for more options? These airports near USM sometimes drop rare deals too:
Nakhon Si Thammarat (NST)
~9 rare deals/month
Ranong (UNN)
~10 rare deals/month
Surat Thani International (URT)
~14 rare deals/month
If you’re flexible with departure cities, it’s worth keeping an eye on nearby airports — especially NST and UNN for long-haul deal surprises.
When Is the Best Time to Fly from United Kingdom to Samui
Timing is everything when hunting for cheap flights. Here are data-backed insights on the best times to fly to Samui:
Cheapest month
November
Cheapest month
The cheapest month to fly to Ko Samui is November! This hidden gem offers a sweet escape before the holiday rush. With fewer tourists and delightful weather, November provides an ideal blend of affordability and enjoyable experiences.
Best day to book
Tuesday
Best day to book
The best day to book a flight to Ko Samui is Tuesday. Airlines often release deals at the start of the week to fill up the remaining seats. Keep an eye on those mid-week discounts and snag the perfect flight without breaking the bank.
Cheapest days to fly
Wednesday
Cheapest days to fly
The cheapest days to fly to Ko Samui are typically on Wednesday. Flying mid-week can save you some serious cash. Most people prefer to travel on weekends, so airlines offer lower prices on weekdays to entice travelers.
Advance booking sweet spot
2 months
Advance booking sweet spot
The advance booking sweet spot for flights to Ko Samui is around 2 months before your trip. Booking ahead often unlocks better deals, ensuring you get your preferred flights and seats. So, plan and book in advance to maximize your savings and get that dreamy Ko Samui vacation locked in.
Seasonal considerations
Distinct
Seasonal considerations
Ko Samui definitely has distinct seasonal considerations for booking flights! The dry season (December to April) is the peak, meaning higher prices. The shoulder months (May, June, September, October) offer a sweet spot with good weather and fewer crowds, while the monsoon season (July-August, November) sees lower prices but wetter conditions.
TL;DR: Want the lowdown on snagging the best Ko Samui flight deals? November is your cheapest month, and Tuesdays are prime for booking. Aim to fly on a Wednesday to save even more, and book about 2 months in advance. Keep in mind the seasonal changes, but this island is fantastic year-round!
Ko Samui Airports & Ground Transportation
One big question for travelers is which Ko Samui airport to fly into. Here’s a quick guide to Ko Samui’s airports and how to get to the city from each:
Samui Airport (USM)
Welcome to Samui Airport, your gateway to paradise! This charming airport is privately owned and exudes a relaxed, tropical vibe from the moment you arrive. Forget long walks through endless terminals; here, open-air pavilions and lush gardens create a unique and calming pre-flight experience. Conveniently located near the major tourist areas, it provides easy access to the stunning beaches and vibrant towns of Ko Samui. Getting to your hotel is a breeze with readily available taxis, pre-booked minivans, and rental car services right outside the terminal. Enjoy the island vibes as soon as you step off the plane!
Tip: Arrive early to soak in the unique atmosphere and enjoy a leisurely coffee at one of the airport's cafes.
Other airports
While Ko Samui has its own airport, consider flying into nearby cities like Surat Thani or Nakhon Si Thammarat for potentially cheaper flights! From Surat Thani Airport, you can hop on a bus and then a ferry to reach Ko Samui, offering a scenic (and budget-friendly) journey, while from Nakhon Si Thammarat Airport, a taxi and ferry combo is your best bet. Remember to factor in the extra travel time (and potential sea sickness!) when choosing these alternatives.
Airport transfers
Getting around Ko Samui from its airport is a breeze with options galore! Taxis and private car services offer door-to-door convenience, while shared minivans provide a more budget-conscious choice. For ultimate freedom, consider renting a car or scooter to explore the island at your own pace.
What to Do in Ko Samui
Ko Samui isn’t just about getting there – it’s about enjoying the country once you arrive! Here are some top things to do in Ko Samui, organized by interest:
Sightseeing & landmarks
Get ready to explore Ko Samui's iconic Big Buddha, a shimmering golden statue that's a must-see! Then, wander through the Secret Buddha Garden, a whimsical collection of statues hidden in the island's lush interior. Don't forget to check out the unique rock formations at Hin Ta & Hin Yai.
Arts & culture
Delve into Ko Samui's cultural heart by visiting Wat Plai Laem, a vibrant temple showcasing elaborate Thai and Chinese-style architecture. Experience the local traditions at a traditional Thai dance performance. You might even find a local artisan crafting intricate souvenirs!
Food & nightlife
Prepare your taste buds for a culinary adventure! From the bustling night markets of Chaweng to the beachside restaurants in Bophut, you'll find a delightful mix of Thai flavors and fresh seafood. As the sun sets, Ko Samui comes alive with beach bars, clubs, and fire shows for an unforgettable night out.
Shopping & fashion
Shopaholics, rejoice! Ko Samui offers a diverse shopping scene, from the modern Central Festival Samui mall to the charming Fisherman’s Village Walking Street. Discover unique clothing, handcrafted jewelry, and souvenirs to remember your island escape. Be sure to bargain for the best deals!
Nearby getaways
Ready for a little island hopping? Take a short boat trip to Koh Phangan, famous for its Full Moon Party and pristine beaches. Or, escape to the tranquility of Koh Tao, a diver's paradise with crystal-clear waters and vibrant coral reefs. These nearby islands offer a change of pace and even more stunning scenery.
No matter your interest – be it art, food, nightlife, or nature – Ko Samui has something for everyone. And the best part? Many events and attractions refresh throughout the year, so there’s always something new to experience each visit.
Ko Samui Weather
Weather in Ko Samui
Wed, Apr 22
25%
30° 29°
25%
Thu, Apr 23
40%
30° 29°
40%
Fri, Apr 24
10%
30° 29°
10%
Sat, Apr 25
10%
30° 29°
10%
Sun, Apr 26
15%
30° 29°
15%
Mon, Apr 27
20%
30° 29°
20%
Tue, Apr 28
5%
30° 29°
5%
Here’s a quick look at the weather you can expect, plus this week’s forecast:
Seasons: Ko Samui has a tropical monsoon climate with a dry season from January to March, characterized by sunny skies and temperatures ranging from 24°C to 32°C (75°F to 90°F). The wet season runs from September to December, featuring heavy rainfall and temperatures between 25°C and 31°C (77°F to 88°F).
Rain: Ko Samui experiences rainfall throughout the year, with the wettest months being September to December. While rain is frequent, it rarely significantly impacts travel plans, as downpours are often brief and followed by sunshine.
This week's forecast: The weather forecast for this week in Ko Samui indicates partly cloudy conditions with a chance of rain. Temperatures will range from 28.5°C to 30.4°C (83.3°F to 86.72°F), with a slightly higher probability of thunderstorms on Thursday, April 23rd. Overall, expect warm and humid weather with occasional showers.
(We update the weather forecast weekly so you know what to expect during your travel week. Always check a day or two before your flight for the most current conditions.)
Frequently Asked Questions About Flights to Samui
(Have more questions?) Feel free to reach out or check our comprehensive Samui travel guide. We’re here to help make your flight to Samui (and the trip itself) as smooth as possible.
Pro Tips for Finding Cheap Flights to Samui
Finally, to wrap up, here’s a cheat sheet of pro tips that experienced travelers use to save on Samui flights:
Be Flexible With Your Dates: Flying on weekdays or during the off-season can save you a bundle. Think of it as outsmarting the crowds!
Set Up Price Alerts: Use RatePunk to track flight prices! You'll be the first to know when prices drop, snagging that dream deal.
Consider Nearby Airports: Sometimes flying into a smaller, nearby airport can significantly cut costs. A little extra travel time can mean big savings!
Book in Advance (But Not Too Early!): Aim to book a few months ahead for the sweet spot. Too early, and you might miss price drops; too late, and prices skyrocket.
Mix and Match Airlines: Don't be afraid to fly one airline to Ko Samui and another on the way back. This can unlock better prices than sticking with a single carrier.
Embrace Layovers: Non-direct flights with layovers are often cheaper. Think of it as a mini-adventure on your way to paradise, Ko Samui!
Clear Your Cookies (Seriously!): Airlines sometimes track your searches and raise prices accordingly. Clear your browser cookies or use incognito mode to see the real deals.
Check Budget Airlines: Budget airlines can offer incredibly low fares. Just be sure to factor in any extra costs for baggage or seat selection!
Use Reward Points and Miles: Loyalty programs can unlock serious discounts or even free flights. Cash in those points for a tropical getaway!
Consider Package Deals: Bundling your flight with a hotel or rental car can sometimes be cheaper than booking everything separately. It's like getting a surprise bonus for your trip!
By keeping these tips in mind, you’ll be well-equipped to find the cheapest flights to Samui and make the most of your travel budget. After all, the more you save on your flight, the more you can spend on a Broadway show, a nice meal, or an extra tour in Samui! 🎉✈️