Ko Samui

$616+ 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 4/18. Fares are subject to change and may not be available on all flights or dates of travel.
— USM
Apr 7 — Apr 141
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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 April 2, 2025.

Popular in

December

Cheapest in

April

Average price

$609

Round-trip from

$1,273

One-way from

$616
Highest demand for flights based on searches. 11% potential increase in price ($235 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($83 potential savings vs. average RT price).
Average for round-trip flights in April 2025
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 April 2, 2025.

Tue 8/261:25 amJFK - USM
2 stops26h 20mEVA Air
Wed 9/178:00 amUSM - JFK
2 stops25h 05mEVA Air
Deal found 4/1$1,147
Wed 8/2711:20 amJFK - USM
2 stops33h 00mQatar Airways
Wed 9/173:50 pmUSM - JFK
2 stops28h 10mQatar Airways
Deal found 4/1$1,233
Fri 5/22:00 pmJFK - USM
2 stops33h 45mEtihad Airways
Sun 5/185:55 pmUSM - JFK
2 stops33h 10mEtihad Airways
Deal found 4/1$1,273
Fri 9/58:55 pmJFK - USM
2 stops34h 35mSingapore Airlines
Sun 9/148:45 amUSM - JFK
2 stops37h 25mSingapore Airlines
Deal found 4/1$1,286
Sun 6/12:30 pmJFK - USM
2 stops29h 50mMultiple Airlines
Mon 6/97:00 amUSM - JFK
2 stops37h 00mMultiple Airlines
Deal found 4/1$1,306
Fri 9/59:35 amEWR - USM
1 stop35h 15mSingapore Airlines
Sun 9/148:45 amUSM - EWR
1 stop32h 15mSingapore Airlines
Deal found 4/1$1,423
Wed 8/2710:20 pmJFK - USM
3 stops59h 50mEmirates
Wed 9/178:00 amUSM - JFK
2 stops41h 25mEmirates
Deal found 4/1$1,493
Tue 8/261:55 amJFK - USM
1 stop29h 40mCathay Pacific
Wed 9/1710:55 amUSM - JFK
1 stop20h 40mCathay Pacific
Deal found 4/1$1,503
Mon 4/711:55 amEWR - USM
3 stops32h 55mMultiple Airlines
Mon 4/217:25 pmUSM - EWR
3 stops38h 24mMultiple Airlines
Deal found 3/31$1,552
Fri 9/511:55 pmEWR - USM
3 stops46h 25mEmirates
Sun 9/142:00 pmUSM - EWR
3 stops66h 20mEmirates
Deal found 4/1$1,672
Thu 6/55:00 pmEWR - USM
2 stops32h 45mAir France
Thu 6/194:25 pmUSM - EWR
2 stops33h 35mAir France
Deal found 4/1$2,200
Sun 7/139:25 pmEWR - USM
2 stops33h 50mBritish Airways
Sun 7/274:25 pmUSM - EWR
2 stops32h 30mBritish Airways
Deal found 4/1$2,248

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 April 2, 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

Fri 5/2

2:00 pm-10:45 am

2 stops33h 45m

Ko Samui

Sun 5/18

5:55 pm-4:05 pm

2 stops33h 10m

$1,273

New YorkKo Samui

JFK - USM

JFKUSM

New York John F Kennedy Intl

Sun 6/1

2:30 pm-7:20 am

2 stops29h 50m

Ko Samui

Mon 6/9

7:00 am-9:00 am

2 stops37h 00m

$1,306

NewarkKo Samui

EWR - USM

EWRUSM

Newark

Fri 9/5

9:35 am-7:50 am

1 stop35h 15m

Ko Samui

Sun 9/14

8:45 am-6:00 am

1 stop32h 15m

$1,423

New YorkKo Samui

JFK - USM

JFKUSM

New York John F Kennedy Intl

Sun 6/8

8:55 pm-11:20 am

2 stops27h 25m

Ko Samui

Sat 6/14

8:45 am-11:10 am

2 stops37h 25m

$1,538

New YorkKo Samui

JFK - USM

JFKUSM

New York John F Kennedy Intl

Fri 5/16

1:20 am-11:55 am

2 stops47h 35m

Ko Samui

Sun 5/25

1:30 pm-3:10 pm

2 stops36h 40m

$1,541

NewarkKo Samui

EWR - USM

EWRUSM

Newark

Fri 9/5

9:35 am-7:50 am

1 stop35h 15m

Ko Samui

Sun 9/14

11:25 am-6:00 am

2 stops29h 35m

$1,561

New YorkKo Samui

JFK - USM

JFKUSM

New York John F Kennedy Intl

Wed 6/4

1:25 am-3:45 pm

2 stops27h 20m

Ko Samui

Thu 6/19

7:30 pm-10:05 pm

2 stops37h 35m

$1,598

New YorkKo Samui

JFK - USM

JFKUSM

New York John F Kennedy Intl

Fri 5/2

11:20 am-9:10 pm

2 stops46h 50m

Ko Samui

Sun 5/18

8:00 am-6:55 pm

3 stops45h 55m

$1,646

NewarkKo Samui

EWR - USM

EWRUSM

Newark

Fri 9/5

11:55 pm-9:20 am

3 stops46h 25m

Ko Samui

Sun 9/14

2:00 pm-9:20 pm

3 stops66h 20m

$1,672

New YorkKo Samui

JFK - USM

JFKUSM

New York John F Kennedy Intl

Fri 5/2

2:50 pm-2:45 pm

2 stops36h 55m

Ko Samui

Sun 5/18

10:55 am-6:00 am

1 stop30h 05m

$1,682

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/1

Showing 1-10 of 21 results
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Compare providers for flights to Ko Samui

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals to Ko Samui in April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*1 star

*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 FlightHub 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 FlightHub. This is based on searches made for Ko Samui flights over the past month.
  • Most trusted provider: FlightHub 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), FlightHub 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
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 24 hours 32 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.

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 April 2, 2025.
Read through reviews of airlines servicing Ko Samui, such as EVA Air, Japan Airlines and Singapore Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Entertainment

8.0

Overall

8.4

Boarding

8.4

Comfort

8.3

Food

8.1

Crew

8.6

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

Entertainment

8.0

Overall

8.4

Boarding

8.4

Comfort

8.3

Food

8.1

Crew

8.6

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

Entertainment

8.0

Overall

8.4

Boarding

8.4

Comfort

8.3

Food

8.1

Crew

8.6

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

Entertainment

8.0

Overall

8.4

Boarding

8.4

Comfort

8.3

Food

8.1

Crew

8.6

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

Entertainment

8.0

Overall

8.4

Boarding

8.4

Comfort

8.3

Food

8.1

Crew

8.6

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

Entertainment

8.0

Overall

8.4

Boarding

8.4

Comfort

8.3

Food

8.1

Crew

8.6

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

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 $52, while round-trip flights cost around $116.

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

    A round-trip flight to Ko Samui will typically cost around $220, however they can be found for as little as $116.

  • 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 (21 hours 10 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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