Cheap flights to Koh Samui, Thailand from $957

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/18. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
WAS — USM
Mar 24 — Mar 311

Flights to Koh Samui in 2024

Find the latest flights to Koh Samui in 2024, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 3,145,932 searches and data was last updated on March 19, 2024.

Round-trip from

$1,209

One-way from

$1,715
From New York to Ko Samui
One-way flight from New York to Ko Samui (USM)

Cheap flights to Koh Samui in March & April 2024

Discover affordable flights and deals to Koh Samui in March and April 2024. In the last 7 days, Cheapflights users made a total of 3,145,932 searches and data was last updated on March 19, 2024.
The below flights offer some of the lowest fares to Koh Samui in March and April 2024. Prices refresh often so be sure to come back soon for more deals.
Thu 4/48:10 amLAX - USM
2 stops23h 05mBangkok Airways
Wed 4/171:30 pmUSM - LAX
2 stops25h 06mBangkok Airways
Deal found 3/18$1,130
Thu 4/48:10 amLAX - USM
2 stops23h 05mBangkok Airways
Wed 4/1710:55 amUSM - LAX
1 stop20h 15mBangkok Airways
Deal found 3/18$1,145
Thu 4/410:20 amLAX - USM
1 stop42h 15mSWISS
Wed 4/1710:55 amUSM - LAX
1 stop20h 15mSWISS
Deal found 3/18$1,146
Sun 4/211:00 pmSFO - USM
2 stops29h 15mEVA Air
Wed 5/19:10 pmUSM - SFO
2 stops47h 20mEVA Air
Deal found 3/17$1,206
Mon 4/1512:50 amLAX - USM
2 stops30h 45mMultiple Airlines
Tue 4/238:45 amUSM - LAX
2 stops25h 45mMultiple Airlines
Deal found 3/17$1,245
Tue 4/1612:10 pmLAX - USM
2 stops30h 05mMultiple Airlines
Tue 4/239:15 pmUSM - LAX
2 stops26h 35mMultiple Airlines
Deal found 3/17$1,256
Sun 4/1412:50 amLAX - USM
2 stops30h 10mMultiple Airlines
Mon 4/228:45 amUSM - LAX
2 stops25h 45mMultiple Airlines
Deal found 3/17$1,267
Wed 4/1712:25 amSFO - USM
2 stops24h 20mMultiple Airlines
Wed 5/19:30 pmUSM - SFO
2 stops23h 00mMultiple Airlines
Deal found 3/17$1,273
Sat 4/2012:50 amSFO - USM
2 stops41h 25mEVA Air
Wed 5/19:30 pmUSM - SFO
2 stops23h 00mEVA Air
Deal found 3/17$1,278

Koh Samui 2024 flight deals

Explore flight deals for Koh Samui in 2024, offering the best prices and options to suit your preferences. In the last 7 days, Cheapflights users made a total of 3,145,932 searches and data were last updated on March 19, 2024.
These are some of the best deals we've found on flights to Koh Samui in 2024 at this time. If these deals don't appeal to you, be sure to come back soon for more options.
Mon 11/1812:50 pmSFO - USM
2 stops28h 50mMultiple Airlines
Fri 11/229:25 pmUSM - SFO
2 stops27h 45mMultiple Airlines
Deal found 3/17$957
Tue 9/2411:40 pmLAX - USM
1 stop21h 35mSingapore Airlines
Tue 10/89:00 amUSM - LAX
1 stop26h 40mSingapore Airlines
Deal found 3/17$958
Tue 9/242:20 pmLAX - USM
2 stops30h 55mSingapore Airlines
Tue 10/812:10 pmUSM - LAX
1 stop23h 30mSingapore Airlines
Deal found 3/17$970
Mon 11/1112:50 pmSFO - USM
2 stops28h 20mMultiple Airlines
Sun 11/249:25 pmUSM - SFO
2 stops51h 45mMultiple Airlines
Deal found 3/17$980
Tue 9/242:20 pmLAX - USM
2 stops27h 45mSingapore Airlines
Tue 10/812:10 pmUSM - LAX
2 stops38h 40mSingapore Airlines
Deal found 3/17$982
Mon 9/2312:15 amLAX - USM
2 stops24h 55mEVA Air
Tue 10/88:00 amUSM - LAX
2 stops22h 20mEVA Air
Deal found 3/17$1,076
Mon 11/1112:20 pmSFO - USM
2 stops27h 50mEVA Air
Sun 11/249:25 pmUSM - SFO
2 stops32h 35mEVA Air
Deal found 3/17$1,099
Thu 11/711:30 pmSFO - USM
2 stops25h 40mEVA Air
Mon 11/114:30 pmUSM - SFO
2 stops29h 10mEVA Air
Deal found 3/17$1,123
Fri 9/612:15 amLAX - USM
2 stops30h 15mEVA Air
Tue 9/178:45 amUSM - LAX
2 stops21h 35mEVA Air
Deal found 3/17$1,124

Flights to Koh Samui departing soon

Discover available last-minute flight options to Koh Samui, providing immediate availability and potentially lower prices. In the last 7 days, Cheapflights users made a total of 3,145,932 searches and data was last updated on March 19, 2024.
Browse some of the best deals on flights leaving last minute to Koh Samui. Double check the price, date, and time of your last-minute flight.
Mon 3/251:20 amJFK - USM
2 stops32h 30mMultiple Airlines
Wed 4/312:45 pmUSM - JFK
2 stops35h 30mMultiple Airlines
Deal found 3/17$1,672
Mon 3/251:20 amJFK - USM
2 stops32h 40mMultiple Airlines
Tue 4/23:50 pmUSM - JFK
2 stops32h 25mMultiple Airlines
Deal found 3/17$1,673
Sat 3/2311:25 amJFK - USM
2 stops23h 00mMultiple Airlines
Tue 4/211:25 amUSM - JFK
3 stops46h 05mMultiple Airlines
Deal found 3/17$1,677
Sat 3/231:20 amJFK - USM
2 stops32h 55mMultiple Airlines
Tue 4/23:20 pmUSM - JFK
2 stops32h 55mMultiple Airlines
Deal found 3/17$1,678
Sat 3/231:20 amJFK - USM
3 stops32h 40mMultiple Airlines
Wed 4/312:45 pmUSM - JFK
2 stops35h 30mMultiple Airlines
Deal found 3/17$1,681
Thu 3/281:20 amJFK - USM
2 stops32h 40mMultiple Airlines
Tue 4/212:10 pmUSM - JFK
3 stops45h 20mMultiple Airlines
Deal found 3/17$1,699
Tue 3/261:20 amJFK - USM
2 stops32h 30mMultiple Airlines
Wed 4/312:45 pmUSM - JFK
2 stops35h 30mMultiple Airlines
Deal found 3/17$1,700
Tue 3/261:20 amJFK - USM
2 stops32h 30mMultiple Airlines
Tue 4/23:20 pmUSM - JFK
2 stops32h 55mMultiple Airlines
Deal found 3/17$1,701
Mon 3/251:20 amJFK - USM
2 stops32h 40mMultiple Airlines
Thu 4/48:00 amUSM - JFK
3 stops35h 50mMultiple Airlines
Deal found 3/17$1,703

One-way flights to Koh Samui

Explore one-way flight options to Koh Samui for greater flexibility in your travel plans. Find up-to-date pricing and availability for one-way flights. In the last 7 days, Cheapflights users made a total of 3,145,932 searches and data was last updated on March 19, 2024.
Take a look at some of the best available flights traveling to Koh Samui at this time. Users seeking round-trip flights to Koh Samui should update the search form at the top of the page accordingly.
Wed 4/175:20 pmEWR - USM
3 stops40h 35mMultiple Airlines
Deal found 3/18$1,715
Wed 4/179:45 pmMIA - USM
3 stops50h 20mMultiple Airlines
Deal found 3/18$1,726
Tue 4/1611:00 pmEWR - USM
3 stops58h 55mMultiple Airlines
Deal found 3/18$1,880
Wed 4/174:55 pmJFK - USM
3 stops41h 00mMultiple Airlines
Deal found 3/18$2,011
Sat 4/2012:00 pmJFK - USM
3 stops57h 35mMultiple Airlines
Deal found 3/18$2,447
Fri 4/1912:00 pmJFK - USM
3 stops57h 15mMultiple Airlines
Deal found 3/18$2,503
Tue 4/161:30 amJFK - USM
3 stops33h 05mMultiple Airlines
Deal found 3/18$2,561
Mon 4/151:30 amJFK - USM
3 stops46h 00mMultiple Airlines
Deal found 3/18$2,564
Tue 4/165:16 pmMIA - USM
3 stops55h 19mMultiple Airlines
Deal found 3/18$2,588

Find flights to Koh Samui within your budget

Locate flights to Koh Samui that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 3,145,932 searches and data was last updated on March 19, 2024.

Fly from

Any airport

Budget

$1,130 - $1,526

Route

Depart

Return

Price

Los AngelesKo Samui

LAX - USM

LAXUSM

Los Angeles

Thu 4/4

2 stops23h 05m

Ko Samui

Wed 4/17

2 stops25h 06m

$1,130

Los AngelesKo Samui

LAX - USM

LAXUSM

Los Angeles

Thu 4/4

1 stop42h 15m

Ko Samui

Wed 4/17

1 stop20h 15m

$1,146

San FranciscoKo Samui

SFO - USM

SFOUSM

San Francisco

Sun 4/21

2 stops29h 15m

Ko Samui

Wed 5/1

2 stops47h 20m

$1,206

Los AngelesKo Samui

LAX - USM

LAXUSM

Los Angeles

Wed 5/8

2 stops30h 10m

Ko Samui

Thu 5/16

2 stops25h 45m

$1,225

New York John F Kennedy IntlKo Samui

JFK - USM

JFKUSM

New York John F Kennedy Intl

Sat 9/7

2 stops38h 00m

Ko Samui

Mon 9/16

2 stops27h 50m

$1,414

New York John F Kennedy IntlKo Samui

JFK - USM

JFKUSM

New York John F Kennedy Intl

Thu 9/12

2 stops46h 40m

Ko Samui

Sat 9/28

2 stops30h 40m

$1,436

Los AngelesKo Samui

LAX - USM

LAXUSM

Los Angeles

Thu 5/9

2 stops38h 00m

Ko Samui

Thu 5/16

1 stop23h 30m

$1,486

Los AngelesKo Samui

LAX - USM

LAXUSM

Los Angeles

Mon 4/15

2 stops31h 25m

Ko Samui

Mon 4/22

1 stop25h 20m

$1,500

New York John F Kennedy IntlKo Samui

JFK - USM

JFKUSM

New York John F Kennedy Intl

Fri 9/6

2 stops27h 25m

Ko Samui

Mon 9/16

2 stops28h 35m

$1,526

Flights are sorted by cheapest first

Deals found on 3/18

Average price of flights to Koh Samui by month

Plan your trip to Koh Samui by taking into account the cheapest months to travel. The average price of a one-way flight to Koh Samui is currently $2,222 while a round-trip flight costs $1,341. Price data was last updated on March 17, 2024.

Currently, June is the cheapest month in which you can book a flight to Koh Samui (average of $0). Flying to Koh Samui in July will prove the most costly (average of $1,957). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

Temperature and rainfall in Koh Samui by month

Plan your trip to Koh Samui by taking into account the average temperature and rainfall totals by month.

USM

Temperature

80.6 - 84.2 °F

If weather is an important factor for your trip to Koh 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).

When is the cheapest time to fly to Koh Samui?

Use this chart to determine the cheapest time to fly round-trip to Koh Samui. Price data was last updated on March 10, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Users looking for the lowest fares to Koh Samui should consider flying on Saturday evenings, when prices are typically cheapest. Budget-minded travelers will want to avoid Thursday evenings, when prices are usually at their highest.
Search Deals

Reviews of airlines servicing Koh Samui

Get insights into the airlines that provide service to Koh 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 Koh Samui. Reviews last updated March 19, 2024.
Read through reviews of airlines servicing Koh Samui, such as Bangkok Airways, EVA Air 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.
8.4
Very good
1,636 reviews

Overall

8.4

Boarding

8.4

Crew

8.6

Food

7.9

Entertainment

8.0

Comfort

8.2

Reviews

1 / 10

Very limited choices of movies; no news channels; very little international music or movie offerings

8.4
Very good
1,636 reviews
8.4
Very good
1,636 reviews

Overall

8.4

Boarding

8.4

Crew

8.6

Food

7.9

Entertainment

8.0

Comfort

8.2

Reviews

1 / 10

Very limited choices of movies; no news channels; very little international music or movie offerings

8.4
Very good
1,477 reviews
8.4
Very good
1,636 reviews

Overall

8.4

Boarding

8.4

Crew

8.6

Food

7.9

Entertainment

8.0

Comfort

8.2

Reviews

1 / 10

Very limited choices of movies; no news channels; very little international music or movie offerings

8.3
Very good
1,520 reviews
8.4
Very good
1,636 reviews

Overall

8.4

Boarding

8.4

Crew

8.6

Food

7.9

Entertainment

8.0

Comfort

8.2

Reviews

1 / 10

Very limited choices of movies; no news channels; very little international music or movie offerings

8.1
Very good
4,215 reviews
8.4
Very good
1,636 reviews

Overall

8.4

Boarding

8.4

Crew

8.6

Food

7.9

Entertainment

8.0

Comfort

8.2

Reviews

1 / 10

Very limited choices of movies; no news channels; very little international music or movie offerings

7.8
Good
1,262 reviews
8.4
Very good
1,636 reviews

Overall

8.4

Boarding

8.4

Crew

8.6

Food

7.9

Entertainment

8.0

Comfort

8.2

Reviews

1 / 10

Very limited choices of movies; no news channels; very little international music or movie offerings

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 does USM mean?

    This is just an IATA (International Air Transport Association) code. IATA codes are used in aviation to identify and differentiate airports. That’s why a Ko Samui Airport flight would often be abbreviated as a USM flight.

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

    Most people fly into Ko Samui (USM) if they book a flight to Koh Samui. Ko Samui is conveniently located just 2.1 mi from Koh Samui’s city center.

See more FAQs

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