Ko Samui

$670+ 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 10/1. Fares are subject to change and may not be available on all flights or dates of travel.
— USM
Aug 3 — Aug 101
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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 July 29, 2025.

Round-trip from

$956

One-way from

$670
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 July 29, 2025.

Sun 10/121:30 amJFK - USM
2 stops29h 15mJapan Airlines
Tue 10/217:10 pmUSM - JFK
2 stops26h 50mJapan Airlines
Deal found 7/27$956
Sun 11/212:50 amJFK - USM
2 stops42h 20mMultiple Airlines
Mon 11/177:00 amUSM - JFK
2 stops39h 30mMultiple Airlines
Deal found 7/29$986
Wed 9/1712:35 amJFK - USM
2 stops30h 25mTurkish Airlines
Mon 9/2212:10 pmUSM - JFK
2 stops33h 45mTurkish Airlines
Deal found 7/26$1,046
Wed 8/2710:30 amEWR - USM
2 stops34h 45mMultiple Airlines
Sun 9/78:00 amUSM - EWR
2 stops44h 55mMultiple Airlines
Deal found 7/28$1,106
Tue 9/21:25 amJFK - USM
2 stops28h 25mEVA Air
Wed 9/108:00 amUSM - JFK
2 stops49h 05mEVA Air
Deal found 7/28$1,157
Mon 9/110:40 pmJFK - USM
2 stops25h 05mEtihad Airways
Fri 9/127:00 pmUSM - JFK
2 stops32h 05mEtihad Airways
Deal found 7/29$1,215
Wed 9/310:00 pmJFK - USM
2 stops25h 30mQatar Airways
Wed 9/105:55 pmUSM - JFK
2 stops26h 05mQatar Airways
Deal found 7/28$1,243
Wed 11/198:15 pmJFK - USM
2 stops34h 35mSingapore Airlines
Sun 11/2311:45 amUSM - JFK
1 stop41h 40mSingapore Airlines
Deal found 7/28$1,262
Wed 11/199:35 amEWR - USM
1 stop34h 25mSingapore Airlines
Sun 11/238:55 amUSM - EWR
1 stop32h 35mSingapore Airlines
Deal found 7/28$1,443
Sat 9/69:50 pmEWR - USM
2 stops36h 20mSWISS
Fri 9/194:25 pmUSM - EWR
2 stops38h 45mSWISS
Deal found 7/27$1,645
Thu 9/185:00 pmEWR - USM
2 stops34h 45mKLM
Mon 9/224:25 pmUSM - EWR
2 stops33h 35mKLM
Deal found 7/28$1,826
Thu 9/1111:55 pmEWR - USM
3 stops30h 00mEmirates
Thu 9/188:00 amUSM - EWR
3 stops48h 20mEmirates
Deal found 7/28$1,827

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 July 29, 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

New YorkKo Samui

JFK - USM

JFKUSM

New York John F Kennedy Intl

Sun 10/12

1:30 am-5:45 pm

2 stops29h 15m

Ko Samui

Tue 10/21

7:10 pm-6:25 pm

2 stops34h 15m

$956

New YorkKo Samui

JFK - USM

JFKUSM

New York John F Kennedy Intl

Sun 8/31

1:30 am-6:30 pm

2 stops30h 00m

Ko Samui

Sat 9/13

7:15 pm-11:00 am

2 stops26h 45m

$992

New YorkKo Samui

JFK - USM

JFKUSM

New York John F Kennedy Intl

Wed 9/17

12:35 am-6:00 pm

2 stops30h 25m

Ko Samui

Mon 9/22

12:10 pm-10:55 am

2 stops33h 45m

$1,046

NewarkKo Samui

EWR - USM

EWRUSM

Newark

Wed 8/27

10:30 am-8:15 am

2 stops34h 45m

Ko Samui

Sun 9/7

8:00 am-5:55 pm

2 stops44h 55m

$1,106

New YorkKo Samui

JFK - USM

JFKUSM

New York John F Kennedy Intl

Tue 9/2

1:25 am-4:50 pm

2 stops28h 25m

Ko Samui

Wed 9/10

8:00 am-10:05 pm

2 stops49h 05m

$1,157

New YorkKo Samui

JFK - USM

JFKUSM

New York John F Kennedy Intl

Mon 9/1

10:40 pm-10:45 am

2 stops25h 05m

Ko Samui

Fri 9/12

7:00 pm-4:05 pm

2 stops32h 05m

$1,215

New YorkKo Samui

JFK - USM

JFKUSM

New York John F Kennedy Intl

Wed 9/3

10:00 pm-10:30 am

2 stops25h 30m

Ko Samui

Wed 9/10

5:55 pm-9:00 am

2 stops26h 05m

$1,243

New YorkKo Samui

JFK - USM

JFKUSM

New York John F Kennedy Intl

Wed 9/17

10:15 pm-4:45 pm

1 stop31h 30m

Ko Samui

Thu 10/16

12:05 pm-11:10 am

2 stops34h 05m

$1,308

New YorkKo Samui

JFK - USM

JFKUSM

New York John F Kennedy Intl

Thu 9/11

11:20 am-4:55 pm

2 stops42h 35m

Ko Samui

Thu 9/18

8:00 am-6:55 pm

3 stops45h 55m

$1,419

NewarkKo Samui

EWR - USM

EWRUSM

Newark

Thu 9/11

9:35 am-7:50 am

1 stop35h 15m

Ko Samui

Thu 9/18

7:25 pm-6:00 am

1 stop21h 35m

$1,457

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/26

Showing 1-10 of 21 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 27 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.

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 July 29, 2025.
Get a feel of what it's like to fly with EVA Air, Japan Airlines, and China 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.

Comfort

8.3

Boarding

8.4

Overall

8.4

Entertainment

8.0

Food

8.1

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

TPE - SEA

The flight and crew were exceptional as always when I fly with EVA.

Comfort

8.3

Boarding

8.4

Overall

8.4

Entertainment

8.0

Food

8.1

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

TPE - SEA

The flight and crew were exceptional as always when I fly with EVA.

Comfort

8.3

Boarding

8.4

Overall

8.4

Entertainment

8.0

Food

8.1

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

TPE - SEA

The flight and crew were exceptional as always when I fly with EVA.

Comfort

8.3

Boarding

8.4

Overall

8.4

Entertainment

8.0

Food

8.1

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

TPE - SEA

The flight and crew were exceptional as always when I fly with EVA.

Comfort

8.3

Boarding

8.4

Overall

8.4

Entertainment

8.0

Food

8.1

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

TPE - SEA

The flight and crew were exceptional as always when I fly with EVA.

Comfort

8.3

Boarding

8.4

Overall

8.4

Entertainment

8.0

Food

8.1

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

TPE - SEA

The flight and crew were exceptional as always when I fly with EVA.

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 $54, while round-trip flights cost around $122.

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

    A round-trip flight to Ko Samui will typically cost around $193, however they can be found for as little as $122.

  • 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 Pha Ngan
Ko Tao

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