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Koh Samui

$797+ Cheap flights from Las Vegas (LAS) 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 3/12. Fares are subject to change and may not be available on all flights or dates of travel.
LAS — USM
Feb 27 — Mar 61
Thu 2/27
Thu 3/6
1 adult, Economy
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Cheap flight deals from Las Vegas to Koh Samui

Discover tips and strategies to find the most affordable flight options for your journey from Las Vegas (LAS) 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 February 22, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,204
(Mytrip)

One-way from

$797
(FlightHub)
Provider with most accurate pricing for Las Vegas Harry Reid Intl-Ko Samui flight deals.
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Provider most trusted by Cheapflights users for Las Vegas Harry Reid Intl-Ko Samui flights.
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From Las Vegas Harry Reid Intl to Ko Samui
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One-way flight from Las Vegas Harry Reid Intl to Ko Samui
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Find flight deals from Las Vegas to Koh Samui

Cheapest flights from Las Vegas to Koh Samui
Explore the most affordable flight options available from Las Vegas to Koh Samui. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 22, 2025.

This Mytrip deal was found by Cheapflights users on 2/21. 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.
Mon 3/244:50 pmLAS - USM
2 stops25h 50mMultiple Airlines
Tue 4/18:00 amUSM - LAS
3 stops44h 35mMultiple Airlines
Deal found 2/21$1,204
This AranGrant deal was found by Cheapflights users on 2/22. 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 AranGrant is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/78:20 pmLAS - USM
2 stops32h 15mCathay Pacific
Thu 7/3110:55 amUSM - LAS
2 stops25h 20mCathay Pacific
Deal found 2/22$5,659

Find flights from Las Vegas to Koh Samui within your budget

Customize your flight search to find flights from Las Vegas 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 February 22, 2025.

Fly from

Las Vegas

Fly to

Koh Samui

Route

Depart

Return

Price

Las VegasKoh Samui

LAS - USM

LASUSM

Las Vegas Harry Reid Intl

Mon 3/24

4:50 pm-8:40 am

2 stops25h 50m

Ko Samui

Tue 4/1

8:00 am-2:35 pm

3 stops44h 35m

$1,204

Las VegasKoh Samui

LAS - USM

LASUSM

Las Vegas Harry Reid Intl

Wed 3/12

7:45 am-8:40 am

2 stops34h 55m

$797

Las VegasKoh Samui

LAS - USM

LASUSM

Las Vegas Harry Reid Intl

Wed 3/12

11:29 am-8:40 am

3 stops31h 11m

$927

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/22

Compare providers for flights from Las Vegas to Koh 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 from Las Vegas to Koh Samui in February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*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: When it comes to deals on Las Vegas-Koh Samui flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Las Vegas-Koh Samui flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Las Vegas-Koh Samui flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Las Vegas-Koh Samui flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Las Vegas-Koh Samui flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Las Vegas to Koh Samui

Have a flexible travel schedule? Discover the best time to fly to Koh Samui from Las Vegas 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 Las Vegas to Koh Samui

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

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

Find hourly flight availability from Las Vegas 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 February 22, 2025.

One of the essential ways to save on airfare from Las Vegas to Koh Samui is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the afternoon could potentially save you up to 24% on airfare.

What is the cheapest day to fly from Las Vegas to Koh Samui?

Use this chart to determine the cheapest time to fly round-trip from Las Vegas to Koh Samui. Price data was last updated on February 16, 2025.

Travelers seeking maximum savings on their Las Vegas to Koh Samui flight should consider departing on Friday mornings when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 February 22, 2025.
Cathay Pacific
7.5
Good
821 reviews

Entertainment

7.7

Crew

8.0

Boarding

7.9

Overall

7.5

Comfort

7.6

Food

7.3

Reviews

1 / 20

6.0
Good

Anonymous,Jan 2025

MAN - HKG

An airline like Cathy Pacific should not serve vegetarian meal for people who pre-booked Muslim meal. Also, the quality / variety of the meals can be improved.

Cathay Pacific
7.5
Good
821 reviews
Cathay Pacific
7.5
Good
821 reviews

Entertainment

7.7

Crew

8.0

Boarding

7.9

Overall

7.5

Comfort

7.6

Food

7.3

Reviews

1 / 20

6.0
Good

Anonymous,Jan 2025

MAN - HKG

An airline like Cathy Pacific should not serve vegetarian meal for people who pre-booked Muslim meal. Also, the quality / variety of the meals can be improved.

Qatar Airways
7.4
Good
3,612 reviews
Cathay Pacific
7.5
Good
821 reviews

Entertainment

7.7

Crew

8.0

Boarding

7.9

Overall

7.5

Comfort

7.6

Food

7.3

Reviews

1 / 20

6.0
Good

Anonymous,Jan 2025

MAN - HKG

An airline like Cathy Pacific should not serve vegetarian meal for people who pre-booked Muslim meal. Also, the quality / variety of the meals can be improved.

Related info for your journey

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

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Las Vegas 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.

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