Ko Samui

$473+ Cheap flights to Ko Samui

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/21. Fares are subject to change and may not be available on all flights or dates of travel.
— USM
Oct 11 — Oct 181
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Flights to Ko Samui in 2025

Find the latest flights to Ko Samui in 2025, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 2,558,603 searches and data was last updated on September 11, 2025.

Round-trip from

$860

One-way from

$473
From New York to Ko Samui
One-way flight from New York to Ko Samui (USM)

Find flight deals to Ko Samui

Cheapest flights to Ko Samui
Explore the most affordable flight options available to Ko Samui. Find the lowest fares based on data from user searches, with prices last updated on September 11, 2025.

Tue 11/116:00 amEWR - USM
2 stops43h 05mMultiple Airlines
Sat 11/1511:40 amUSM - EWR
2 stops30h 19mMultiple Airlines
Deal found 9/11$860
Sun 10/265:55 pmJFK - USM
2 stops26h 15mMultiple Airlines
Sun 11/27:00 pmUSM - JFK
2 stops55h 20mMultiple Airlines
Deal found 9/11$1,031
Fri 10/2412:30 amEWR - USM
2 stops43h 40mMultiple Airlines
Sun 11/27:00 amUSM - EWR
2 stops27h 30mMultiple Airlines
Deal found 9/10$1,078
Tue 12/211:15 amJFK - USM
2 stops32h 15mMultiple Airlines
Mon 12/158:30 pmUSM - JFK
2 stops24h 45mMultiple Airlines
Deal found 9/9$1,144
Wed 9/241:25 amJFK - USM
2 stops26h 45mEVA Air
Thu 10/28:45 amUSM - JFK
2 stops24h 20mEVA Air
Deal found 9/11$1,153
Mon 9/221:25 amJFK - USM
2 stops26h 20mEVA Air
Fri 9/268:50 pmUSM - JFK
2 stops60h 15mEVA Air
Deal found 9/10$1,205
Wed 9/2412:35 amJFK - USM
3 stops32h 55mMultiple Airlines
Thu 10/27:00 amUSM - JFK
2 stops27h 40mMultiple Airlines
Deal found 9/11$1,206
Wed 9/171:25 amJFK - USM
2 stops26h 45mEVA Air
Mon 9/228:00 amUSM - JFK
2 stops25h 05mEVA Air
Deal found 9/8$1,223
Fri 9/191:25 amJFK - USM
2 stops28h 10mEVA Air
Thu 9/258:45 amUSM - JFK
2 stops24h 20mEVA Air
Deal found 9/9$1,225
Thu 9/2510:00 pmJFK - USM
2 stops35h 25mQatar Airways
Thu 10/28:10 amUSM - JFK
2 stops35h 50mQatar Airways
Deal found 9/11$1,242
Mon 9/221:30 amJFK - USM
2 stops33h 05mMultiple Airlines
Fri 9/267:00 pmUSM - JFK
3 stops33h 55mMultiple Airlines
Deal found 9/10$1,244
Fri 9/1912:35 amJFK - USM
3 stops32h 50mMultiple Airlines
Thu 9/258:45 amUSM - JFK
2 stops25h 55mMultiple Airlines
Deal found 9/9$1,250

Cheapflights Fare Finder

 
Locate flights to Ko Samui that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 2,558,603 searches and data was last updated on September 11, 2025.
Use the filters below to find and compare flights to Ko Samui that are best for you.

Fly from

New York

Route

Depart

Return

Price

NewarkKo Samui

EWR - USM

EWRUSM

Newark

Tue 11/11

6:00 am-1:05 pm

2 stops43h 05m

Ko Samui

Sat 11/15

11:40 am-5:59 am

2 stops30h 19m

$860

New YorkKo Samui

JFK - USM

JFKUSM

New York John F Kennedy Intl

Sun 10/26

5:55 pm-7:10 am

2 stops26h 15m

Ko Samui

Sun 11/2

7:00 pm-2:20 pm

2 stops55h 20m

$1,031

NewarkKo Samui

EWR - USM

EWRUSM

Newark

Fri 10/24

12:30 am-7:10 am

2 stops43h 40m

Ko Samui

Sun 11/2

7:00 am-11:30 pm

2 stops27h 30m

$1,078

New YorkKo Samui

JFK - USM

JFKUSM

New York John F Kennedy Intl

Wed 9/17

1:25 am-3:10 pm

2 stops26h 45m

Ko Samui

Mon 9/22

8:00 am-10:05 pm

2 stops25h 05m

$1,223

New YorkKo Samui

JFK - USM

JFKUSM

New York John F Kennedy Intl

Thu 9/25

10:00 pm-8:25 pm

2 stops35h 25m

Ko Samui

Thu 10/2

8:10 am-9:00 am

2 stops35h 50m

$1,242

New YorkKo Samui

JFK - USM

JFKUSM

New York John F Kennedy Intl

Wed 9/24

12:35 am-8:30 pm

3 stops32h 55m

Ko Samui

Thu 10/2

7:00 pm-5:55 pm

3 stops33h 55m

$1,245

New YorkKo Samui

JFK - USM

JFKUSM

New York John F Kennedy Intl

Fri 9/19

12:35 am-8:25 pm

3 stops32h 50m

Ko Samui

Thu 9/25

8:45 am-11:40 pm

2 stops25h 55m

$1,250

New YorkKo Samui

JFK - USM

JFKUSM

New York John F Kennedy Intl

Mon 9/22

12:35 am-4:55 pm

3 stops29h 20m

Ko Samui

Fri 9/26

7:00 pm-5:55 pm

3 stops33h 55m

$1,255

New YorkKo Samui

JFK - USM

JFKUSM

New York John F Kennedy Intl

Fri 10/24

1:20 am-5:30 pm

2 stops29h 10m

Ko Samui

Sun 11/2

6:15 pm-3:00 pm

2 stops32h 45m

$1,283

New YorkKo Samui

JFK - USM

JFKUSM

New York John F Kennedy Intl

Thu 11/27

12:30 am-8:00 am

3 stops43h 30m

Ko Samui

Wed 12/10

12:00 pm-10:30 pm

3 stops46h 30m

$1,290

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/8

Showing 1-10 of 34 results
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The best insider tips for flights to Ko Samui

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Ko Samui trip
Airlines
EVA Air

EVA's economy offers 33 inches of legroom on 777s, ideal for long-haul comfort.


EVA's Royal Laurel Class features lie-flat seats with 82-inch pitch, ensuring restful long-haul travel.

Read more about EVA Airby Duncan Madden
Qatar Airways

Qatar Airways' business class offers private pods with fresh flowers and anytime dining.


Qatar Airways offers one carry-on item in economy; plan luggage accordingly to avoid fees.

Singapore Airlines

Enjoy free unlimited Wi-Fi for all passengers, enhancing connectivity during long-haul flights.


Economy passengers get 32 inches of legroom and in-seat power on long-haul flights.

Airports
USM

For efficient transport, arrange taxis in advance or use the Grab app for low rates. Taxis can't queue at USM.

Read more about USMby Ramsey Qubein
Our travel experts
Duncan Madden

Duncan Madden

Expert on EVA Air

Duncan Madden

Duncan Madden

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.

Read more
Brandon Schultz

Brandon Schultz

Expert on Qatar Airways

Brandon Schultz

Brandon Schultz

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.

Read more
Gabriel Leigh

Gabriel Leigh

Expert on Singapore Airlines

Gabriel Leigh

Gabriel Leigh

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.

Read more
Ramsey Qubein

Ramsey Qubein

Expert on USM

Ramsey Qubein

Ramsey Qubein

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.

Read more

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
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

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 29 hours 25 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.

When is the cheapest time to fly to Ko Samui?

Use this chart to determine the cheapest time to fly round-trip from New York to Ko Samui. Price data was last updated on March 30, 2025.

Users looking for the lowest fares to Ko Samui should consider flying on Tuesday afternoons, when prices are typically cheapest. Budget-minded travelers will want to avoid Wednesday afternoons, when prices are usually at their highest.

What are the cheapest airlines that fly to Ko Samui?

The cheapest airline flying from New York to Ko Samui is Singapore Airlines.

Rainfall in Ko Samui by month

Plan your trip to Ko Samui by taking into account the average rainfall totals 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

Plan your trip to Ko Samui by taking into account the average temperature totals 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).

Reviews of airlines servicing Ko Samui

Get insights into the airlines that provide service to Ko Samui. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ko Samui. Reviews last updated September 11, 2025.
Get a feel of what it's like to fly with Singapore Airlines 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

Food

7.7

Boarding

8.2

Comfort

8.0

Overall

8.1

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Ketan,Nov 2024

SEA - SIN

Sin to amd was not good flight. Food was bad. It was like few days old.

Entertainment

8.0

Food

7.7

Boarding

8.2

Comfort

8.0

Overall

8.1

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Ketan,Nov 2024

SEA - SIN

Sin to amd was not good flight. Food was bad. It was like few days old.

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, Singapore Airlines 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 $66, while round-trip flights cost around $92.

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

    A round-trip flight to Ko Samui will typically cost around $300, however they can be found for as little as $92.

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

    For those looking to save time traveling to Ko Samui, Los Angeles offers the quickest one-way flight (20 hours 30 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 Tao
Ko Pha Ngan

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