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Koh Samui

$495+ Cheap flights from the United States to Koh Samui (USM)

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 1/20. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — USM
Dec 23 — Dec 301
Mon 12/23
Mon 12/30
1 adult, Economy
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Cheap flight deals from USA to Koh Samui

Discover tips and strategies to find the most affordable flight options for your journey from USA (US0) to Koh Samui (USM). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 18, 2024.

Round-trip from

$890
(FlightHub)

One-way from

$495
(Mytrip)
From USA to Ko Samui
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One-way flight from USA to Ko Samui
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Find flight deals from USA to Koh Samui

Cheapest flights from USA to Koh Samui
Explore the most affordable flight options available from USA to Koh Samui. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2024.

This Mytrip deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2812:10 amJFK - USM
3 stops33h 00mMultiple Airlines
Sun 1/128:55 amUSM - JFK
3 stops35h 20mMultiple Airlines
Deal found 12/17$2,095
This KAYAK deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2811:30 pmMIA - USM
2 stops30h 00mQatar Airways
Tue 1/712:15 pmUSM - MIA
2 stops33h 35mQatar Airways
Deal found 12/17$2,443
This Priceline deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/299:30 pmJFK - USM
2 stops35h 10mQatar Airways
Sun 1/126:15 pmUSM - JFK
2 stops40h 15mQatar Airways
Deal found 12/17$2,541
This KAYAK deal was found by Cheapflights users on 12/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/298:15 pmJFK - USM
2 stops28h 10mSingapore Airlines
Sun 1/1211:45 amUSM - JFK
2 stops35h 30mSingapore Airlines
Deal found 12/18$2,708
This KAYAK deal was found by Cheapflights users on 12/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/285:15 pmMIA - USM
2 stops61h 00mBritish Airways
Tue 1/71:25 pmUSM - MIA
2 stops37h 20mBritish Airways
Deal found 12/18$2,830
This Mytrip deal was found by Cheapflights users on 12/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/2712:00 pmSFO - USM
2 stops29h 00mMultiple Airlines
Mon 1/611:45 amUSM - SFO
3 stops45h 40mMultiple Airlines
Deal found 12/18$2,896
This Ovago deal was found by Cheapflights users on 12/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/291:50 pmJFK - USM
1 stop41h 45mCathay Pacific
Sun 1/1211:40 amUSM - JFK
1 stop30h 05mCathay Pacific
Deal found 12/18$3,579
This KAYAK deal was found by Cheapflights users on 12/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/281:00 pmMIA - USM
3 stops41h 15mSingapore Airlines
Tue 1/71:25 pmUSM - MIA
3 stops42h 57mSingapore Airlines
Deal found 12/18$4,413
This Mytrip deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/214:05 pmRDU - USM
3 stops30h 10mMultiple Airlines
Mon 12/237:30 pmUSM - RDU
3 stops35h 27mMultiple Airlines
Deal found 12/17$4,504
This CheapOair deal was found by Cheapflights users on 12/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/287:16 pmMIA - USM
2 stops60h 19mMultiple Airlines
Tue 1/71:25 pmUSM - MIA
3 stops42h 57mMultiple Airlines
Deal found 12/18$4,518

Find flights from USA to Koh Samui within your budget

Customize your flight search to find flights from USA to Koh Samui that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 18, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

San FranciscoKoh Samui

SFO - USM

SFOUSM

San Francisco

Tue 1/21

9:40 am-8:00 am

1 stop31h 20m

Ko Samui

Mon 1/27

8:55 am-6:35 pm

1 stop24h 40m

$890

Los AngelesKoh Samui

LAX - USM

LAXUSM

Los Angeles

Tue 3/25

1:45 pm-8:00 am

2 stops28h 15m

Ko Samui

Tue 4/1

9:00 am-9:40 pm

1 stop26h 40m

$938

SeattleKoh Samui

SEA - USM

SEAUSM

Seattle/Tacoma Intl

Thu 2/13

8:40 am-8:00 am

1 stop32h 20m

Ko Samui

Fri 3/14

8:55 am-8:10 am

1 stop37h 15m

$960

San FranciscoKoh Samui

SFO - USM

SFOUSM

San Francisco

Tue 1/21

12:00 pm-8:10 am

2 stops29h 10m

Ko Samui

Mon 1/27

7:00 pm-6:30 am

2 stops26h 30m

$1,035

Los AngelesKoh Samui

LAX - USM

LAXUSM

Los Angeles

Mon 3/24

12:05 am-2:55 pm

2 stops24h 50m

Ko Samui

Tue 4/1

5:50 pm-7:10 am

2 stops27h 20m

$1,062

San FranciscoKoh Samui

SFO - USM

SFOUSM

San Francisco

Sat 3/29

12:40 am-3:45 pm

2 stops25h 05m

Ko Samui

Mon 4/7

8:00 am-4:00 pm

2 stops22h 00m

$1,070

Los AngelesKoh Samui

LAX - USM

LAXUSM

Los Angeles

Tue 4/29

12:30 pm-7:20 am

2 stops28h 50m

Ko Samui

Fri 5/16

7:10 pm-2:50 pm

2 stops33h 40m

$1,073

SeattleKoh Samui

SEA - USM

SEAUSM

Seattle/Tacoma Intl

Sun 1/19

3:45 pm-8:45 pm

2 stops38h 00m

Ko Samui

Sun 1/26

8:20 am-1:20 pm

2 stops44h 00m

$1,140

SeattleKoh Samui

SEA - USM

SEAUSM

Seattle/Tacoma Intl

Sat 1/18

12:10 am-5:10 pm

2 stops26h 00m

Ko Samui

Sun 1/26

9:30 pm-6:10 pm

2 stops35h 40m

$1,184

New YorkKoh Samui

JFK - USM

JFKUSM

New York John F Kennedy Intl

Thu 5/1

1:25 am-8:30 pm

2 stops32h 05m

Ko Samui

Sun 5/18

9:30 pm-10:05 pm

2 stops35h 35m

$1,193

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 60 results
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Best time to book a flight from USA to Koh Samui

Have a flexible travel schedule? Discover the best time to fly to Koh Samui from USA 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.

Travel insights for flights from USA to Koh Samui

Get recent, data-driven insights about flights from USA to Koh Samui including ideal travel times, pricing trends, and more.

What is the cheapest time of day to fly from US to USM?

Find hourly flight availability from USA to Koh Samui. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 18, 2024.

When flying from USA to Koh Samui, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Koh Samui by month

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

In terms of precipitation, rainfall in Koh 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 Koh Samui when rainfall is around 2.3 in.

Temperature in Koh Samui by month

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

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).

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 December 18, 2024.
Get a feel of what it's like to fly with Singapore Airlines, Cathay Pacific and Emirates from USA to Koh Samui by reading reviews from past customers. 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.
EVA Air
8.4
Very good
1,269 reviews

Boarding

8.4

Overall

8.4

Food

8.0

Entertainment

8.0

Comfort

8.2

Crew

8.6

Reviews

1 / 10

The food was HORRIBLE, the flight crew looked as though they’d rather be getting a root canal, and the bathrooms were disgusting.

EVA Air
8.4
Very good
1,269 reviews
EVA Air
8.4
Very good
1,269 reviews

Boarding

8.4

Overall

8.4

Food

8.0

Entertainment

8.0

Comfort

8.2

Crew

8.6

Reviews

1 / 10

The food was HORRIBLE, the flight crew looked as though they’d rather be getting a root canal, and the bathrooms were disgusting.

Japan Airlines
8.3
Very good
1,443 reviews
EVA Air
8.4
Very good
1,269 reviews

Boarding

8.4

Overall

8.4

Food

8.0

Entertainment

8.0

Comfort

8.2

Crew

8.6

Reviews

1 / 10

The food was HORRIBLE, the flight crew looked as though they’d rather be getting a root canal, and the bathrooms were disgusting.

Emirates
8.1
Very good
3,412 reviews
EVA Air
8.4
Very good
1,269 reviews

Boarding

8.4

Overall

8.4

Food

8.0

Entertainment

8.0

Comfort

8.2

Crew

8.6

Reviews

1 / 10

The food was HORRIBLE, the flight crew looked as though they’d rather be getting a root canal, and the bathrooms were disgusting.

Singapore Airlines
8.1
Very good
1,329 reviews
EVA Air
8.4
Very good
1,269 reviews

Boarding

8.4

Overall

8.4

Food

8.0

Entertainment

8.0

Comfort

8.2

Crew

8.6

Reviews

1 / 10

The food was HORRIBLE, the flight crew looked as though they’d rather be getting a root canal, and the bathrooms were disgusting.

Bangkok Airways
8.1
Very good
135 reviews
EVA Air
8.4
Very good
1,269 reviews

Boarding

8.4

Overall

8.4

Food

8.0

Entertainment

8.0

Comfort

8.2

Crew

8.6

Reviews

1 / 10

The food was HORRIBLE, the flight crew looked as though they’d rather be getting a root canal, and the bathrooms were disgusting.

Related info for your journey

Find useful and relevant information for your journey from USA to Koh Samui. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    For a flight from United States to Koh Samui, you will be flying into Ko Samui. Ko Samui (USM) is just 2.1 mi from the center of the city.

  • What are the cheapest airlines to fly from USA to Koh Samui one-way?

    $595 is the cheapest one-way deal found within the past few days, from Singapore Airlines. You may also be able to find cheap deals on EVA Air and Turkish Airlines, with prices starting from $607 and $737, respectively.

  • What are the most popular routes from USA to Koh Samui?

    Most travelers choose Los Angeles - Ko Samui, Washington, D.C. Dulles Intl - Ko Samui or Seattle/Tacoma Intl - Ko Samui when deciding on the best route from USA to Koh Samui.

  • Can I find deals for flights from USA to Koh Samui that include hotel bookings?

    Yes. In addition to deals on USA to Koh Samui flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from USA to Koh Samui?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from USA to Koh Samui.

  • Can I find deals for business class flights from USA to Koh Samui?

    Yes. Cheapflights offers flight deals from USA to Koh Samui by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Alternative routes for USA to Koh Samui

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from USA to Koh Samui

Discover the top 4 airlines that operate flights from USA to Koh Samui. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 18, 2024.
AirlineCheapestAverageFlexibilityOn-time
EVA AirCheapest$1,007Average$1,170FlexibilityNo cancel feeOn-time74%
Singapore AirlinesCheapest$1,026Average$1,467FlexibilityNo cancel feeOn-time81%
Qatar AirwaysCheapest$1,338Average$1,479FlexibilityNo cancel feeOn-time68%
Cathay PacificCheapest$1,370Average$1,546FlexibilityNo cancel feeOn-time72%
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