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Cheap flights from Las Vegas to Ko Samui from $1,352

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Las Vegas to Ko Samui departing on 4/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Las Vegas to Ko Samui

Cheap round-trip flights

Enter your travel dates to find the best prices.
Cathay Pacific Logo
4:50 pm - 7:40 pm
LAS
-
USM
36h 50m
2 stops
Cathay Pacific Logo
11:55 am - 2:14 pm
USM
-
LAS
40h 19m
2 stops
$1,352Cathay Pacific
Wed, Apr 8 - Mon, Apr 20
Multiple Airlines Logo
11:47 am - 7:40 pm
LAS
-
USM
65h 53m
2 stops
Multiple Airlines Logo
11:55 am - 8:46 am
USM
-
LAS
34h 51m
2 stops
$1,390Multiple Airlines
Sat, May 2 - Sat, May 9
Multiple Airlines Logo
9:15 pm - 7:40 pm
LAS
-
USM
32h 25m
2 stops
Multiple Airlines Logo
8:10 am - 10:17 pm
USM
-
LAS
28h 07m
3 stops
$1,392Multiple Airlines
Sun, Apr 19 - Sun, Apr 26
Multiple Airlines Logo
8:07 pm - 1:45 pm
LAS
-
USM
27h 38m
3 stops
Multiple Airlines Logo
2:00 pm - 12:46 am
USM
-
LAS
24h 46m
3 stops
$1,397Multiple Airlines
Fri, May 1 - Sun, May 31
Cathay Pacific Logo
6:00 am - 7:40 pm
LAS
-
USM
47h 40m
2 stops
Cathay Pacific Logo
11:55 am - 8:58 pm
USM
-
LAS
47h 03m
2 stops
$1,436Cathay Pacific
Wed, Apr 22 - Thu, Apr 30
Multiple Airlines Logo
11:47 am - 7:40 pm
LAS
-
USM
41h 53m
2 stops
Multiple Airlines Logo
11:55 am - 8:58 pm
USM
-
LAS
23h 03m
2 stops
$1,483Multiple Airlines
Wed, Apr 22 - Thu, Apr 30
Cathay Pacific Logo
9:00 am - 7:40 pm
LAS
-
USM
44h 40m
2 stops
Cathay Pacific Logo
11:55 am - 8:58 pm
USM
-
LAS
23h 03m
2 stops
$1,488Cathay Pacific
Wed, Apr 8 - Mon, Apr 20
Cathay Pacific Logo
7:15 am - 7:40 pm
LAS
-
USM
46h 25m
2 stops
Cathay Pacific Logo
11:55 am - 9:00 pm
USM
-
LAS
47h 05m
2 stops
$1,491Cathay Pacific
Mon, Apr 20 - Mon, Apr 27
Multiple Airlines Logo
6:43 pm - 4:35 pm
LAS
-
USM
31h 52m
3 stops
Multiple Airlines Logo
11:55 am - 8:46 am
USM
-
LAS
34h 51m
2 stops
$1,510Multiple Airlines
Sat, May 2 - Sat, May 9
Cathay Pacific Logo
7:15 am - 7:40 pm
LAS
-
USM
46h 25m
2 stops
Cathay Pacific Logo
11:55 am - 8:58 pm
USM
-
LAS
23h 03m
2 stops
$1,523Cathay Pacific
Sun, Apr 19 - Sun, Apr 26

Cathay Pacific flights from Las Vegas to Ko Samui

Our best Cathay Pacific deals on Las Vegas to Ko Samui flight tickets
Cathay Pacific
Apr 8
LAS4:50 pmLas Vegas Harry Reid Intl
36h 50m
2 stops
USM7:40 pmKo Samui
Apr 20
USM11:55 amKo Samui
40h 19m
2 stops
LAS2:14 pmLas Vegas Harry Reid Intl
$1,352
Cathay Pacific
Apr 22
LAS6:00 amLas Vegas Harry Reid Intl
47h 40m
2 stops
USM7:40 pmKo Samui
Apr 30
USM11:55 amKo Samui
47h 03m
2 stops
LAS8:58 pmLas Vegas Harry Reid Intl
$1,436
Cathay Pacific
Apr 20
LAS7:15 amLas Vegas Harry Reid Intl
46h 25m
2 stops
USM7:40 pmKo Samui
Apr 27
USM11:55 amKo Samui
47h 05m
2 stops
LAS9:00 pmLas Vegas Harry Reid Intl
$1,491

Qatar Airways flights from Las Vegas to Ko Samui

Our best Qatar Airways deals on Las Vegas to Ko Samui flight tickets
Qatar Airways
May 2
LAS11:51 amLas Vegas Harry Reid Intl
33h 14m
3 stops
USM11:05 amKo Samui
May 9
USM7:55 pmKo Samui
35h 33m
3 stops
LAS5:28 pmLas Vegas Harry Reid Intl
$1,728
Qatar Airways
Apr 8
LAS11:46 amLas Vegas Harry Reid Intl
31h 34m
3 stops
USM9:20 amKo Samui
Apr 20
USM9:00 pmKo Samui
35h 55m
3 stops
LAS6:55 pmLas Vegas Harry Reid Intl
$2,191
Qatar Airways
Apr 8
LAS10:00 amLas Vegas Harry Reid Intl
33h 20m
3 stops
USM9:20 amKo Samui
Apr 20
USM9:00 pmKo Samui
35h 55m
3 stops
LAS6:55 pmLas Vegas Harry Reid Intl
$2,265

momondo 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, momondo users made 832,500 searches. Data last updated March 22, 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

Wed 4/8

4:50 pm-7:40 pm

2 stops36h 50m

Ko Samui

Mon 4/20

11:55 am-2:14 pm

2 stops40h 19m

$1,352

Las VegasKo Samui

LAS - USM

LASUSM

Las Vegas Harry Reid Intl

Sat 5/2

11:47 am-7:40 pm

2 stops65h 53m

Ko Samui

Sat 5/9

11:55 am-8:46 am

2 stops34h 51m

$1,390

Las VegasKo Samui

LAS - USM

LASUSM

Las Vegas Harry Reid Intl

Sun 4/19

9:15 pm-7:40 pm

2 stops32h 25m

Ko Samui

Sun 4/26

8:10 am-10:17 pm

3 stops28h 07m

$1,392
Quickest round-trip

Las VegasKo Samui

LAS - USM

LASUSM

Las Vegas Harry Reid Intl

Fri 5/1

8:07 pm-1:45 pm

3 stops27h 38m

Ko Samui

Sun 5/31

2:00 pm-12:46 am

3 stops24h 46m

$1,397

Las VegasKo Samui

LAS - USM

LASUSM

Las Vegas Harry Reid Intl

Wed 4/22

6:00 am-7:40 pm

2 stops47h 40m

Ko Samui

Thu 4/30

11:55 am-8:58 pm

2 stops47h 03m

$1,436

Las VegasKo Samui

LAS - USM

LASUSM

Las Vegas Harry Reid Intl

Wed 4/22

11:47 am-7:40 pm

2 stops41h 53m

Ko Samui

Thu 4/30

11:55 am-8:58 pm

2 stops23h 03m

$1,483

Las VegasKo Samui

LAS - USM

LASUSM

Las Vegas Harry Reid Intl

Wed 4/8

9:00 am-7:40 pm

2 stops44h 40m

Ko Samui

Mon 4/20

11:55 am-8:58 pm

2 stops23h 03m

$1,488

Las VegasKo Samui

LAS - USM

LASUSM

Las Vegas Harry Reid Intl

Mon 4/20

7:15 am-7:40 pm

2 stops46h 25m

Ko Samui

Mon 4/27

11:55 am-9:00 pm

2 stops47h 05m

$1,491

Las VegasKo Samui

LAS - USM

LASUSM

Las Vegas Harry Reid Intl

Sat 5/2

6:43 pm-4:35 pm

3 stops31h 52m

Ko Samui

Sat 5/9

11:55 am-8:46 am

2 stops34h 51m

$1,510

Las VegasKo Samui

LAS - USM

LASUSM

Las Vegas Harry Reid Intl

Sun 4/19

7:15 am-7:40 pm

2 stops46h 25m

Ko Samui

Sun 4/26

11:55 am-8:58 pm

2 stops23h 03m

$1,523

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Ko Samui from

How to get the cheapest flight ticket from Las Vegas to Ko Samui

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Ko Samui?

Our data shows that Tuesday is the least expensive day to fly to Ko Samui. Tickets to fly out on this day can be as low as $136. Flights from Las Vegas to Ko Samui on a Saturday will generally be more expensive and average around $337. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Ko Samui?

Our data shows that the cheapest Las Vegas to Ko Samui flights are usually those with departure times in the afternoon. Our users have found flights to Ko Samui in the afternoon for as low as $221. In the morning is when there is more demand to fly to Ko Samui, so prices are often more expensive at around $290 per ticket.

When to book flights from Las Vegas to Ko Samui

Are you open to changing your travel dates? Check out the ideal times to fly from Las Vegas to Ko Samui according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Las Vegas to Ko Samui (LAS to USM) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Las Vegas to Ko Samui

Fastest flight time

25h 55m

Direct flights

None
The fastest flight from Las Vegas to Ko Samui takes 25h 55m
There are no direct flights from Las Vegas to Ko Samui. There are no popular flight routes from Las Vegas to Ko Samui.
Search flight deals

  • How far is Las Vegas Harry Reid Intl to Ko Samui by plane?

    The distance between Las Vegas Harry Reid Intl and Ko Samui is about 8532.0 mi. Flights usually cover this in 25h 55m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Las Vegas Harry Reid Intl Airport to Ko Samui Airport?

    Prices for flights from Las Vegas Harry Reid Intl Airport to Ko Samui Airport are updated daily.

  • How old do you have to be to fly from Las Vegas Harry Reid Intl Airport to Ko Samui Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Las Vegas Harry Reid Intl Airport to Ko Samui Airport.

  • What documentation or ID do you need to fly to Ko Samui Airport?

    The travel and health documents required for your trip to Ko Samui Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Ko Samui Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Traveling to a place near Ko Samui?

Book flights to Ko Samui if you plan to visit one of these locations
Ko Pha Ngan
Ko Tao
Khanom

Why use momondo?

Why should I use momondo to find a flight deal from Las Vegas to Ko Samui?

Finding the right flight to Ko Samui from Las Vegas is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Ko Samui quick and easy, saving you time and money.

Can I find flights from Las Vegas to Ko Samui with flexible booking policies on momondo?

All flight searches from Las Vegas to Ko Samui on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Las Vegas to Ko Samui?

Once all potential Las Vegas to Ko Samui flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Las Vegas to Ko Samui right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Las Vegas to Ko Samui flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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