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 32h 43m. Your travel time can differ by up to . There are 8534 mi between Las Vegas and Ko Samui.

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

If weather is an important factor for your trip to Ko 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).

What is the cheapest day to fly round-trip from Las Vegas to Ko Samui?

Flying to your destination on a Friday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to Ko Samui. Check prices with Cheapflights to find a great deal for your trip.

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.

$536+ Cheap Flights from Las Vegas to Ko Samui

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Find 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 September 11, 2025.

Thu 9/188:39 pmLAS - USM

2 stops31h 56mCathay Pacific

Mon 9/2210:55 amUSM - LAS

2 stops23h 04mCathay Pacific

Deal found 9/10

$1,498

Best flights from Las Vegas to Ko Samui
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 11, 2025.

Thu 9/187:52 pmLAS - USM

2 stops32h 43mCathay Pacific

Mon 9/2210:55 amUSM - LAS

2 stops23h 46mCathay Pacific

Deal found 9/8

$1,498

Last-minute flights from Las Vegas to Ko Samui
Discover last-minute flight deals from Las Vegas to Ko Samui. Data last updated September 11, 2025 and is based on user searches.

Thu 9/188:39 pmLAS - USM

2 stops31h 56mCathay Pacific

Mon 9/2210:55 amUSM - LAS

2 stops23h 04mCathay Pacific

Deal found 9/10

$1,498

One-way flights from Las Vegas to Ko Samui
Search for one-way flight options from Las Vegas to Ko Samui. Find affordable one-way fares based on user searches. Data last updated September 11, 2025.

Sun 10/266:01 amLAS - USM

3 stops35h 09mMultiple Airlines

Deal found 9/11

$536

Cheapflights Fare Finder

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

Las VegasKo Samui

LAS - USM

LASUSM

Las Vegas Harry Reid Intl

Thu 9/18

7:52 pm-6:35 pm

2 stops32h 43m

Ko Samui

Mon 9/22

10:55 am-8:41 pm

2 stops23h 46m

$1,498

Las VegasKo Samui

LAS - USM

LASUSM

Las Vegas Harry Reid Intl

Sun 10/26

6:01 am-7:10 am

3 stops35h 09m

$536

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

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.

Cheapflights Insights

Everything you need to know about your flight from Las Vegas to Ko Samui

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

One of the essential ways to save on airfare from Las Vegas to Ko 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 Ko Samui?

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

Related info for your journey

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 32h 43m. 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.

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$536+ Cheap flights from Las Vegas (LAS) to Ko 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 10/26. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Las Vegas to Ko Samui with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Find flight deals from Las Vegas to Ko Samui

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 11, 2025.

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 11, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Las Vegas to Ko Samui that are best for you.

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.

Cheapflights Insights

Everything you need to know about your flight from Las Vegas to Ko Samui

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

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

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?

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

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

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

Traveling to a place near Ko Samui?

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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 September 11, 2025.