Ko Samui

$503+ Cheap flights to Ko Samui

— USM
Nov 24 — Dec 11
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Flights to Ko Samui in 2026

Cheapest flights to Ko Samui

Sun 11/151:40 pm -
1 stop41h 55m
Thu 11/1911:40 am -
1 stop36h 20m
Deal found 10/19$916
Fri 11/271:40 pm -
1 stop41h 55m
Thu 12/1011:40 am -
1 stop30h 05m
Deal found 10/23$967
Fri 11/271:40 pm -
2 stops29h 30m
Thu 12/1011:40 am -
1 stop36h 20m
Deal found 10/23$969
Tue 11/31:40 pm -
2 stops29h 30m
Fri 11/2711:40 am -
1 stop30h 05m
Deal found 10/21$1,011
Sun 12/69:00 am -
2 stops24h 20m
Sun 12/138:40 am -
2 stops22h 25m
Deal found 10/22$1,037
Sun 11/110:00 pm -
2 stops23h 20m
Tue 11/36:15 pm -
2 stops26h 45m
Deal found 10/21$1,054
Sun 11/151:40 pm -
2 stops30h 30m
Thu 11/197:55 am -
2 stops33h 50m
Deal found 10/19$1,093
Fri 12/49:00 am -
2 stops24h 20m
Sun 12/138:30 am -
2 stops22h 35m
Deal found 10/22$1,118
Wed 10/213:45 pm -
2 stops29h 30m
Fri 11/276:15 pm -
2 stops26h 45m
Deal found 10/20$1,127
Thu 11/191:45 am -
1 stop29h 50m
Sun 11/2911:40 am -
1 stop36h 20m
Deal found 10/24$1,224

Find flight deals to Ko Samui

Popular in

December

Cheapest in

October

Average price

$1,174

Round-trip from

$868

One-way from

$530
Highest demand for flights based on searches. 34% potential increase in price ($952 potential increase over avg. RT price).
Cheapest flight prices on average. 11% potential price decrease ($193 potential savings vs. average RT price).
Average for round-trip flights in October 2026
From New York to Ko Samui
One-way flight from New York to Ko Samui (USM)

Cheapflights Fare Finder

 
Use the filters below to find and compare flights to Ko Samui that are best for you.

Fly from

Route

Depart

Return

Price

Cheapest round-trip

New YorkKo Samui

JFK New York John F Kennedy Intl - USM Ko Samui

JFKUSM

New York John F Kennedy Intl

Mon 11/23

3:00 pm-10:40 am

2 stops31h 40m

Ko Samui

Wed 12/31

12:00 am-12:00 pm

Nonstop0h 00m

$557

New YorkKo Samui

JFK New York John F Kennedy Intl - USM Ko Samui

JFKUSM

New York John F Kennedy Intl

Thu 3/18

12:55 pm-10:40 am

2 stops34h 45m

Ko Samui

Wed 12/31

12:00 am-12:00 pm

Nonstop0h 00m

$593

New YorkKo Samui

JFK New York John F Kennedy Intl - USM Ko Samui

JFKUSM

New York John F Kennedy Intl

Sat 1/16

1:40 pm-7:35 pm

1 stop41h 55m

Ko Samui

Wed 12/31

12:00 am-12:00 pm

Nonstop0h 00m

$647

New YorkKo Samui

JFK New York John F Kennedy Intl - USM Ko Samui

JFKUSM

New York John F Kennedy Intl

Wed 3/17

2:40 pm-7:35 pm

1 stop41h 55m

Ko Samui

Wed 12/31

12:00 am-12:00 pm

Nonstop0h 00m

$661
Quickest round-trip

New YorkKo Samui

JFK New York John F Kennedy Intl - USM Ko Samui

JFKUSM

New York John F Kennedy Intl

Thu 3/18

10:00 am-7:35 pm

1 stop22h 35m

Ko Samui

Wed 12/31

12:00 am-12:00 pm

Nonstop0h 00m

$662

New YorkKo Samui

JFK New York John F Kennedy Intl - USM Ko Samui

JFKUSM

New York John F Kennedy Intl

Sat 11/7

3:00 pm-3:10 pm

2 stops36h 10m

Ko Samui

Wed 12/31

12:00 am-12:00 pm

Nonstop0h 00m

$673

New YorkKo Samui

JFK New York John F Kennedy Intl - USM Ko Samui

JFKUSM

New York John F Kennedy Intl

Wed 12/9

12:35 am-7:50 pm

2 stops31h 15m

Ko Samui

Wed 12/31

12:00 am-12:00 pm

Nonstop0h 00m

$698

New YorkKo Samui

JFK New York John F Kennedy Intl - USM Ko Samui

JFKUSM

New York John F Kennedy Intl

Mon 12/28

3:00 pm-10:35 am

2 stops31h 35m

Ko Samui

Wed 12/31

12:00 am-12:00 pm

Nonstop0h 00m

$788

New YorkKo Samui

JFK New York John F Kennedy Intl - USM Ko Samui

JFKUSM

New York John F Kennedy Intl

Tue 12/8

11:30 am-9:20 pm

3 stops45h 50m

Ko Samui

Wed 12/31

12:00 am-12:00 pm

Nonstop0h 00m

$827

New YorkKo Samui

JFK New York John F Kennedy Intl - USM Ko Samui

JFKUSM

New York John F Kennedy Intl

Sat 11/7

8:55 pm-3:40 pm

3 stops30h 45m

Ko Samui

Wed 12/31

12:00 am-12:00 pm

Nonstop0h 00m

$948

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/22

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

Compare providers for flights to Ko Samui

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals to Ko Samui in October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: Out of all of the providers offering Ko Samui flight deals, Cheapflights users have found AranGrant to have the most accurate pricing on Cheapflights vs. their site about >95% of the time, users can find the same price on Ko Samui flight deals on Cheapflights and AranGrant. This is based on searches made for Ko Samui flights over the past month.
  • Most trusted provider: AranGrant is the most trusted provider by Cheapflights users offering Ko Samui flight deals. With a user feedback rating of 3 out of 3 stars (3 being the best), AranGrant has received the most positive sentiment from Cheapflights users searching for flights to Ko Samui. This is based on data collected from Cheapflights searches made over the past month.

Best time to book a flight to Ko Samui

Have a flexible travel schedule? Discover the best time to fly to Ko Samui with our price prediction graph.
Estimated round-trip price

Cheapflights Insights

Everything you need to know about your flight to Ko Samui

How long is the flight to Ko Samui?

On average, a flight from New York to Ko Samui takes 25 hours 5 minutes. Flights to Ko Samui from other popular cities in USA will vary in length. Below are a few examples of popular routes and their flight times.

Rainfall in Ko Samui by month

In terms of precipitation, rainfall in Ko Samui ranges from 2.3 - 19.3 inches per month. November is typically the wettest month, when rainfall can reach 19.3 in. February is typically the driest time to visit Ko Samui when rainfall is around 2.3 in.

Temperature in Ko Samui by month

If weather is an important factor for your trip to Ko Samui, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 80.6 F).

The best insider tips for flights to Ko Samui

Cheapflights partnered with top experts to bring you the best recommendations for your Ko Samui trip
Our travel experts
Duncan Madden

Duncan Madden

Expert on EVA Air

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.

Brandon Schultz

Brandon Schultz

Expert on Qatar Airways

Brandon Schultz is an award-winning food and travel writer based in New York City. His work has appeared in Forbes, AAA, Thrillist, Travel + Leisure, and The Daily Meal, among many others, and he is the author of 6 books, including 3 cookbooks.

Gabriel Leigh

Gabriel Leigh

Expert on Singapore Airlines

Gabriel is a writer and video creator. As senior content producer for Flightradar24 and Monocle’s transport correspondent, he keeps a close eye on aviation in particular. He has also written travel articles for the likes of The New York Times. Born in New York but raised around the world, he now lives in Sweden. He’s been to 75 countries, flying 2.3 million miles on 113 airlines and through 234 airports in the process.

Ramsey Qubein

Ramsey Qubein

Expert on USM

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Reviews of airlines servicing Ko Samui

Get a feel of what it's like to fly with EVA Air,Singapore Airlines, andQatar Airways to Thailand by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Entertainment

8.0

Boarding

8.4

Comfort

8.3

Overall

8.5

Food

8.1

Crew

8.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Oct 2026

TPE - CNX

I appreciate the free WIFI and meals. The crew are friendly.

Entertainment

8.0

Boarding

8.4

Comfort

8.3

Overall

8.5

Food

8.1

Crew

8.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Oct 2026

TPE - CNX

I appreciate the free WIFI and meals. The crew are friendly.

Entertainment

8.0

Boarding

8.4

Comfort

8.3

Overall

8.5

Food

8.1

Crew

8.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Oct 2026

TPE - CNX

I appreciate the free WIFI and meals. The crew are friendly.

Entertainment

8.0

Boarding

8.4

Comfort

8.3

Overall

8.5

Food

8.1

Crew

8.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Oct 2026

TPE - CNX

I appreciate the free WIFI and meals. The crew are friendly.

FAQs about flying to Ko Samui

Before traveling to Koh Samui, ensure your passport is valid for the duration of your planned trip date from Thailand. Most travelers, including U.S. citizens, can enter Thailand without a visa for up to 30 days for tourism purposes. However, visa requirements can vary based on nationality, so it's important to verify the specific requirements for your country. Carrying a copy of your passport and entry stamp is also advisable while exploring the island.

Koh Samui is served by Samui International Airport (USM), which hosts both domestic and international flights. The airport is well-connected with direct flights from major cities in Thailand like Bangkok, Phuket, and Chiang Mai, as well as international flights from select locations. For travelers coming from further afield, connecting through Bangkok's Suvarnabhumi Airport (BKK) or Don Mueang International Airport (DMK) is often the most convenient route, with frequent short-haul flights to Koh Samui. Booking flights in advance is especially recommended during peak tourist seasons like the dry months between December and February.

Upon arriving in Koh Samui, it's important to be aware of Thailand's strict regulations on importing certain items. This includes tight restrictions on bringing in plants, food items, and animal products to protect the local environment and agriculture. Customs officials at Samui International Airport (USM) may inspect your luggage for such items. To avoid any issues upon arrival, familiarize yourself with Thailand's customs regulations regarding prohibited and restricted items. This awareness is not only crucial for a hassle-free entry but also helps in preserving the delicate ecosystem of the island.

  • What should I pack for a trip to Koh Samui?

    For a trip to Koh Samui, Thailand's idyllic island, your packing list should cater to a tropical beach environment. Light, airy clothing is essential due to the warm, humid climate prevalent year-round. Essentials include swimwear for the island's stunning beaches, a sunhat, UV-protection sunglasses, and plenty of sunscreens to shield against the intense tropical sun. Casual beachwear is perfect for daytime, while evenings can call for slightly smarter attire, especially if you plan to visit upscale restaurants or beach clubs. A light rain jacket or umbrella is advisable, particularly if you’re visiting during the monsoon season from September to November. Comfortable sandals are ideal for the beach and general exploring, while a pair of closed-toe shoes may be needed for certain activities or dining establishments. Don’t forget to pack insect repellent to protect against mosquitoes, especially during the evening or when visiting more remote areas of the island.

  • What are some activities and attractions in Koh Samui?

    Koh Samui is renowned for its stunning natural beauty, vibrant nightlife, and rich cultural heritage. The island’s beaches, such as Chaweng, Lamai, and Maenam, offer crystal-clear waters and soft sands, perfect for relaxation, swimming, and water sports. For a cultural experience, visit the Big Buddha Temple (Wat Phra Yai) and the beautifully ornate Wat Plai Laem. Nature enthusiasts will enjoy a trip to Angthong National Marine Park, a pristine archipelago ideal for snorkeling, kayaking, and hiking. The Na Muang Waterfalls, with their natural beauty and swimming spots, are a refreshing escape. For a unique experience, visit the Fisherman’s Village in Bophut, known for its rustic buildings, boutique shops, and lively night market. The island also offers a range of wellness and spa retreats, reflecting Thailand’s reputation for excellent therapeutic treatments.

  • Is there public transportation from Samui International Airport to downtown areas in Koh Samui?

    Public transportation options from Samui International Airport (USM) to major areas on Koh Samui are somewhat limited. The most common and convenient way to travel around the island is by taxi or minivan, both of which are readily available at the airport. These offer direct travel to your hotel or other destinations on the island. While there are no formal bus services directly from the airport, shared minivan services can be a cost-effective option, especially if you’re traveling alone or with a small group. For greater flexibility and the freedom to explore the island at your leisure, renting a scooter or a car is a popular choice among visitors. It's recommended to book your transportation from the airport in advance, particularly during peak tourist seasons, to ensure a smooth start to your stay in Koh Samui.

  • What airport do you fly into for flights to Ko Samui?

    For a flight to Ko Samui, you will be flying into Ko Samui. Ko Samui (USM) is just 2.1 mi from the center of the city.

  • Can I find cheaper flights to Ko Samui if I am willing to have layovers?

    Yes, flights with layovers are often cheaper than direct flights. Keep an eye out for flight deals to Ko Samui on Cheapflights that require 1 or 2 stops for potential cost savings.

  • What is the best airline to fly to Ko Samui?

    Based on reviews from Cheapflights users, EVA Air is rated the highest out of the airlines that fly to Ko Samui.

  • What is the cheapest airport to fly to in Ko Samui?

    Ko Samui is currently the cheapest airport to fly to in Ko Samui. One-way flights to Ko Samui typically cost $65, while round-trip flights cost around $145.

  • How much is a round-trip flight to Ko Samui?

    A round-trip flight to Ko Samui will typically cost around $261, however they can be found for as little as $154.

  • Where does the fastest flight to Ko Samui depart from?

    For those looking to save time traveling to Ko Samui, New York offers the quickest one-way flight (22 hours 35 minutes).

  • Does Ko Samui have rental cars?

    Yes. Those touching down at Ko Samui can take advantage of the rental car services offered upon their arrival.

  • Are there hotels close to Ko Samui?

    Yes. Ko Samui has hotels nearby for those requiring accommodations. Diamond Pool Villa Samui is the closest property to Ko Samui (0.0 mi away from Ko Samui).

See more FAQs

Traveling to a place near Ko Samui?

Book flights to Ko Samui if you plan to visit one of these locations
Ko Pha Ngan
Ko Tao

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