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Ko Samui

$1,521+ 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 5/11. Fares are subject to change and may not be available on all flights or dates of travel.
LAS — USM
May 23 — May 301
Sat 5/23
Sat 5/30
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 April 23, 2026.

This EVA Air deal was found by Cheapflights users on 4/19. 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 EVA Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/118:07 pm
LAS
-
USM
3 stops27h 38m
Multiple Airlines
Mon 6/18:45 am
USM
-
LAS
3 stops25h 36m
Multiple Airlines
Deal found 4/19$1,521
This FlightHub deal was found by Cheapflights users on 4/20. 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 6/106:45 am
LAS
-
USM
2 stops35h 50m
Multiple Airlines
Tue 7/75:50 pm
USM
-
LAS
2 stops37h 11m
Multiple Airlines
Deal found 4/20$1,525
This Booking.com deal was found by Cheapflights users on 4/19. 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.
Wed 6/31:20 pm
LAS
-
USM
3 stops33h 25m
Multiple Airlines
Wed 6/103:50 pm
USM
-
LAS
3 stops34h 40m
Multiple Airlines
Deal found 4/19$1,683
This oojo deal was found by Cheapflights users on 4/20. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/21:20 pm
LAS
-
USM
2 stops40h 20m
Multiple Airlines
Wed 6/2411:55 am
USM
-
LAS
2 stops35h 10m
Multiple Airlines
Deal found 4/20$1,685
This BusinessClass deal was found by Cheapflights users on 4/22. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/64:53 pm
LAS
-
USM
2 stops36h 47m
Multiple Airlines
Sat 6/133:50 pm
USM
-
LAS
3 stops34h 40m
Multiple Airlines
Deal found 4/22$1,766

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 April 23, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,521
(EVA Air)
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 April 23, 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
Quickest round-trip

Las VegasKo Samui

LAS - USM

LASUSM

Las Vegas Harry Reid Intl

Mon 5/11

8:07 pm-1:45 pm

3 stops27h 38m

Ko Samui

Mon 6/1

8:45 am-8:21 pm

3 stops25h 36m

$1,521

Las VegasKo Samui

LAS - USM

LASUSM

Las Vegas Harry Reid Intl

Wed 6/3

1:20 pm-12:45 pm

3 stops33h 25m

Ko Samui

Wed 6/10

3:50 pm-12:30 pm

3 stops34h 40m

$1,683

Las VegasKo Samui

LAS - USM

LASUSM

Las Vegas Harry Reid Intl

Wed 6/10

1:20 pm-12:45 pm

3 stops33h 25m

Ko Samui

Tue 7/7

11:55 am-12:30 pm

2 stops38h 35m

$1,686

Las VegasKo Samui

LAS - USM

LASUSM

Las Vegas Harry Reid Intl

Tue 6/2

4:24 pm-12:45 pm

3 stops30h 21m

Ko Samui

Wed 6/24

2:35 pm-12:30 pm

3 stops35h 55m

$1,805

Las VegasKo Samui

LAS - USM

LASUSM

Las Vegas Harry Reid Intl

Sat 6/6

7:42 pm-7:40 pm

2 stops33h 58m

Ko Samui

Sat 6/13

11:55 am-9:05 am

2 stops35h 10m

$1,818

Las VegasKo Samui

LAS - USM

LASUSM

Las Vegas Harry Reid Intl

Thu 7/16

8:31 pm-12:45 pm

3 stops26h 14m

Ko Samui

Thu 7/23

3:50 pm-12:30 pm

3 stops34h 40m

$1,937

Las VegasKo Samui

LAS - USM

LASUSM

Las Vegas Harry Reid Intl

Thu 7/16

10:04 am-9:20 am

3 stops33h 16m

Ko Samui

Thu 7/23

8:35 pm-6:54 pm

3 stops36h 19m

$2,050

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/19

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 April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 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.

  • 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.

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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