$1,407+ 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 10/21. Fares are subject to change and may not be available on all flights or dates of travel.
LAS — USM
Oct 16 — Oct 231
Round-trip
1 adult, Economy
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Find cheap flights from Las Vegas to Ko Samui with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Las Vegas to Ko Samui
Cheapest
Best
Last-minute
Cheapest flights from Las Vegas to Ko SamuiExplore 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 September 16, 2026.
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 September 16, 2026.
This Booking.com deal was found by Cheapflights users on 9/13. 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 10/215:07 pm -
3 stops30h 38m
Wed 11/188:30 pm -
3 stops41h 07m
Deal found 9/13![Multiple Airlines logo]()
$1,407
This British Airways deal was found by Cheapflights users on 9/11. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2110:10 pm -
2 stops33h 00m
Sun 10/251:25 pm -
2 stops44h 25m
Deal found 9/11![British Airways logo]()
$5,355
Best flights from Las Vegas to Ko SamuiDiscover carefully curated flight deals from Las Vegas to Ko Samui that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 16, 2026.
Discover carefully curated flight deals from Las Vegas to Ko Samui that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 16, 2026.
This Booking.com deal was found by Cheapflights users on 9/13. 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 10/215:07 pm -
3 stops30h 38m
Wed 11/188:30 pm -
3 stops41h 07m
Deal found 9/13![Multiple Airlines logo]()
$1,407
This British Airways deal was found by Cheapflights users on 9/12. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2110:10 pm -
2 stops33h 00m
Sun 10/251:25 pm -
2 stops44h 25m
Deal found 9/12![British Airways logo]()
$5,355
Last-minute flights from Las Vegas to Ko SamuiDiscover last-minute flight deals from Las Vegas to Ko Samui. Data last updated September 16, 2026 and is based on user searches.
Discover last-minute flight deals from Las Vegas to Ko Samui. Data last updated September 16, 2026 and is based on user searches.
This Booking.com deal was found by Cheapflights users on 9/13. 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 10/215:07 pm -
3 stops30h 38m
Wed 11/188:30 pm -
3 stops41h 07m
Deal found 9/13![Multiple Airlines logo]()
$1,407
This British Airways deal was found by Cheapflights users on 9/11. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2110:10 pm -
2 stops33h 00m
Sun 10/251:25 pm -
2 stops44h 25m
Deal found 9/11![British Airways logo]()
$5,355
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 September 16, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,163 (Globehunters) |
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 7,457,451 searches. Data last updated September 16, 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
Cheapest round-trip
Quickest round-trip
Las VegasKo Samui
LAS Las Vegas Harry Reid Intl - USM Ko Samui
LASUSM
Las Vegas Harry Reid Intl
Wed 10/21
5:07 pm-1:45 pm
3 stops30h 38m
Ko Samui
Wed 11/18
8:30 pm-10:37 pm
3 stops41h 07m
$1,407
Las VegasKo Samui
LAS Las Vegas Harry Reid Intl - USM Ko Samui
LASUSM
Las Vegas Harry Reid Intl
Wed 10/21
10:10 pm-9:10 pm
2 stops33h 00m
Ko Samui
Sun 10/25
1:25 pm-7:50 pm
2 stops44h 25m
$5,355
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 September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
- 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.
LAS-USM
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.
Traveling to a place near Ko Samui?
Book flights to Ko Samui if you plan to visit one of these locationsKo Tao
Ko Pha Ngan
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