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Ko Samui

$1,326+ Cheap flights from Las Vegas (LAS) to Ko Samui (USM)

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 10/4. Fares are subject to change and may not be available on all flights or dates of travel.
LAS — USM
Jul 11 — Jul 181
Sat 7/11
Sat 7/18
1 adult, Economy
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Cheap flight deals from Las Vegas to Ko Samui

Cheapest flights from Las Vegas to Ko Samui
Explore the most affordable flight options available from Las Vegas to Ko Samui. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 11, 2026.

This BusinessClass deal was found by Cheapflights users on 6/10. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/46:00 pm
LAS
-
USM
2 stops34h 15m
Multiple Airlines
Sat 10/104:25 pm
USM
-
LAS
2 stops38h 33m
Multiple Airlines
Deal found 6/10$1,326
This Booking.com deal was found by Cheapflights users on 6/7. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/2110:21 pm
LAS
-
USM
3 stops42h 09m
Multiple Airlines
Sat 11/282:05 pm
USM
-
LAS
3 stops24h 54m
Multiple Airlines
Deal found 6/7$1,516
This BusinessClass deal was found by Cheapflights users on 6/10. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/237:40 pm
LAS
-
USM
2 stops34h 00m
Cathay Pacific
Wed 9/211:55 am
USM
-
LAS
2 stops23h 15m
Cathay Pacific
Deal found 6/10$1,520
This Ovago deal was found by Cheapflights users on 6/10. 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 8/237:40 pm
LAS
-
USM
3 stops27h 05m
Multiple Airlines
Wed 9/211:55 am
USM
-
LAS
2 stops23h 15m
Multiple Airlines
Deal found 6/10$1,527
This Cathay Pacific deal was found by Cheapflights users on 6/7. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/174:41 pm
LAS
-
USM
2 stops36h 59m
Cathay Pacific
Mon 9/2111:55 am
USM
-
LAS
2 stops48h 31m
Cathay Pacific
Deal found 6/7$1,647
This FlightHub deal was found by Cheapflights users on 6/9. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/16:50 am
LAS
-
USM
2 stops35h 45m
Multiple Airlines
Tue 7/149:00 pm
USM
-
LAS
2 stops41h 36m
Multiple Airlines
Deal found 6/9$1,719

Find flight deals from Las Vegas to Ko Samui

Discover tips and strategies to find the most affordable flight options for your journey from Las Vegas (LAS) to Ko 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 June 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,326
(BusinessClass)
Provider with most accurate pricing for Las Vegas Harry Reid Intl-Ko Samui flight deals.
Search Deals
Provider most trusted by Cheapflights users for Las Vegas Harry Reid Intl-Ko Samui flights.
Search Deals
From Las Vegas Harry Reid Intl to Ko Samui
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Las Vegas to Ko 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 June 11, 2026.
Use the filters below to find and compare flights from Las Vegas to Ko Samui that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Las VegasKo Samui

LAS - USM

LASUSM

Las Vegas Harry Reid Intl

Sun 8/23

7:40 pm-7:40 pm

2 stops34h 00m

Ko Samui

Wed 9/2

11:55 am-9:10 pm

2 stops23h 15m

$1,520
Quickest round-trip

Las VegasKo Samui

LAS - USM

LASUSM

Las Vegas Harry Reid Intl

Sun 8/23

7:40 pm-12:45 pm

3 stops27h 05m

Ko Samui

Wed 9/2

11:55 am-9:10 pm

2 stops23h 15m

$1,527

Las VegasKo Samui

LAS - USM

LASUSM

Las Vegas Harry Reid Intl

Wed 7/1

6:00 pm-10:45 am

2 stops26h 45m

Ko Samui

Tue 7/14

7:10 pm-12:36 am

2 stops43h 26m

$1,719

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Sorted by cheapest first

Compare providers for flights from Las Vegas 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 from Las Vegas to Ko Samui in June.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust 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: When it comes to deals on Las Vegas-Ko 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-Ko Samui flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Las Vegas-Ko Samui flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Las Vegas-Ko 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-Ko 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 Ko Samui

Have a flexible travel schedule? Discover the best time to fly to Ko 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.

Related info for your journey

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

  • How long is the flight from Las Vegas to Ko Samui?

    Cathay Pacific can get you from Las Vegas to Ko Samui in just under 34h. Your travel time can differ by up to . There are 8534 mi between Las Vegas and Ko Samui.

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

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

  • How can I find direct flights from Las Vegas to Ko 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 Ko Samui.

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

    Yes. Cheapflights offers flight deals from Las Vegas to Ko 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

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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