Ko Samui

$542+ 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 8/20. Fares are subject to change and may not be available on all flights or dates of travel.
— USM
Jun 17 — Jun 241
We work with more than 300 partners to bring you better travel deals

Find cheap flights to Ko Samui with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 June 12, 2025.

Popular in

September

Cheapest in

March

Average price

$1,803

Round-trip from

$914

One-way from

$542
Highest demand for flights based on searches. 1% potential increase in price.
Cheapest flight prices on average. 2% potential price decrease ($39 potential savings vs. average RT price).
Average for round-trip flights in June 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 June 12, 2025.

Sun 8/311:30 amJFK - USM
2 stops29h 15mJapan Airlines
Sat 9/137:00 amUSM - JFK
2 stops39h 00mJapan Airlines
Deal found 6/10$914
Sun 8/311:30 amJFK - USM
2 stops29h 15mMultiple Airlines
Sat 9/137:00 amUSM - JFK
2 stops46h 25mMultiple Airlines
Deal found 6/12$968
Wed 8/278:55 pmJFK - USM
2 stops32h 50mSingapore Airlines
Wed 9/1712:05 pmUSM - JFK
2 stops34h 05mSingapore Airlines
Deal found 6/12$1,028
Wed 9/31:25 amJFK - USM
2 stops32h 05mEVA Air
Thu 9/117:15 pmUSM - JFK
2 stops37h 50mEVA Air
Deal found 6/10$1,225
Sun 10/2611:20 amJFK - USM
2 stops36h 20mEmirates
Wed 11/192:05 pmUSM - JFK
3 stops40h 50mEmirates
Deal found 6/12$1,324
Mon 10/139:35 amEWR - USM
1 stop35h 15mSingapore Airlines
Tue 10/217:25 pmUSM - EWR
1 stop21h 35mSingapore Airlines
Deal found 6/11$1,346
Wed 6/181:20 amJFK - USM
2 stops46h 10mQatar Airways
Tue 6/248:20 amUSM - JFK
2 stops35h 40mQatar Airways
Deal found 6/11$1,440
Sun 8/1012:30 amEWR - USM
3 stops30h 15mMultiple Airlines
Mon 8/185:50 pmUSM - EWR
3 stops47h 43mMultiple Airlines
Deal found 6/10$1,453
Tue 8/261:55 amJFK - USM
1 stop29h 40mCathay Pacific
Wed 9/1710:55 amUSM - JFK
1 stop20h 40mCathay Pacific
Deal found 6/12$1,512
Mon 10/139:50 pmEWR - USM
2 stops27h 55mSWISS
Tue 10/219:15 amUSM - EWR
2 stops39h 05mSWISS
Deal found 6/10$1,603
Mon 9/111:55 pmEWR - USM
3 stops46h 25mEmirates
Sat 9/64:25 pmUSM - EWR
3 stops39h 55mEmirates
Deal found 6/12$2,013
Sun 7/279:25 pmEWR - USM
2 stops33h 50mBritish Airways
Sun 8/34:25 pmUSM - EWR
2 stops32h 30mBritish Airways
Deal found 6/12$2,363

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 June 12, 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 8/31

1:30 am-5:45 pm

2 stops29h 15m

Ko Samui

Sat 9/13

7:00 am-11:00 am

2 stops39h 00m

$914

New YorkKo Samui

JFK - USM

JFKUSM

New York John F Kennedy Intl

Sun 8/31

1:30 am-5:45 pm

2 stops29h 15m

Ko Samui

Sat 9/13

7:00 am-6:25 pm

2 stops46h 25m

$968

New YorkKo Samui

JFK - USM

JFKUSM

New York John F Kennedy Intl

Wed 8/27

8:55 pm-4:45 pm

2 stops32h 50m

Ko Samui

Wed 9/17

12:05 pm-11:10 am

2 stops34h 05m

$1,028

New YorkKo Samui

JFK - USM

JFKUSM

New York John F Kennedy Intl

Wed 9/3

1:25 am-8:30 pm

2 stops32h 05m

Ko Samui

Thu 9/11

7:15 pm-10:05 pm

2 stops37h 50m

$1,225

New YorkKo Samui

JFK - USM

JFKUSM

New York John F Kennedy Intl

Sun 10/26

11:20 am-10:40 am

2 stops36h 20m

Ko Samui

Wed 11/19

2:05 pm-6:55 pm

3 stops40h 50m

$1,324

NewarkKo Samui

EWR - USM

EWRUSM

Newark

Mon 10/13

9:35 am-7:50 am

1 stop35h 15m

Ko Samui

Tue 10/21

7:25 pm-6:00 am

1 stop21h 35m

$1,346

NewarkKo Samui

EWR - USM

EWRUSM

Newark

Sun 8/10

12:30 am-5:45 pm

3 stops30h 15m

Ko Samui

Mon 8/18

5:50 pm-6:33 am

3 stops47h 43m

$1,453

New YorkKo Samui

JFK - USM

JFKUSM

New York John F Kennedy Intl

Tue 8/26

1:55 am-6:35 pm

1 stop29h 40m

Ko Samui

Wed 9/17

10:55 am-8:35 pm

1 stop20h 40m

$1,512

New YorkKo Samui

JFK - USM

JFKUSM

New York John F Kennedy Intl

Sat 7/5

11:20 am-10:30 am

2 stops36h 10m

Ko Samui

Mon 7/14

3:25 pm-9:00 am

2 stops28h 35m

$1,540

NewarkKo Samui

EWR - USM

EWRUSM

Newark

Mon 10/13

9:50 pm-12:45 pm

2 stops27h 55m

Ko Samui

Tue 10/21

9:15 am-1:20 pm

2 stops39h 05m

$1,603

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 26 results
1
2
3

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 7 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 June 12, 2025.
Read through reviews of airlines servicing Ko Samui, such as EVA Air, Japan Airlines and Emirates. 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.

Boarding

8.4

Comfort

8.3

Entertainment

8.0

Overall

8.4

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.

Boarding

8.4

Comfort

8.3

Entertainment

8.0

Overall

8.4

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.

Boarding

8.4

Comfort

8.3

Entertainment

8.0

Overall

8.4

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.

Boarding

8.4

Comfort

8.3

Entertainment

8.0

Overall

8.4

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.

Boarding

8.4

Comfort

8.3

Entertainment

8.0

Overall

8.4

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.

Boarding

8.4

Comfort

8.3

Entertainment

8.0

Overall

8.4

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 $53, while round-trip flights cost around $127.

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

    A round-trip flight to Ko Samui will typically cost around $204, however they can be found for as little as $127.

  • 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.