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Cheap flights from Las Vegas to Ko Samui from $889

This is the cheapest one-way 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 2/12. 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.
Multiple Airlines Logo
4:45 pm - 10:35 am
LAS
-
USM
26h 50m
2 stops
Multiple Airlines Logo
6:30 pm - 3:59 pm
USM
-
LAS
35h 29m
2 stops
$1,227Multiple Airlines
Tue, Mar 3 - Tue, Mar 10
Multiple Airlines Logo
4:45 pm - 1:10 pm
LAS
-
USM
30h 25m
2 stops
Multiple Airlines Logo
6:25 pm - 3:53 pm
USM
-
LAS
35h 28m
2 stops
$1,265Multiple Airlines
Thu, Apr 9 - Tue, Apr 21
Multiple Airlines Logo
4:45 pm - 6:15 pm
LAS
-
USM
35h 30m
2 stops
Multiple Airlines Logo
9:00 pm - 3:53 pm
USM
-
LAS
32h 53m
2 stops
$1,301Multiple Airlines
Fri, Apr 10 - Tue, Apr 21
Cathay Pacific Logo
11:39 am - 7:35 pm
LAS
-
USM
41h 56m
2 stops
Cathay Pacific Logo
11:40 am - 9:00 pm
USM
-
LAS
23h 20m
2 stops
$1,476Cathay Pacific
Thu, Mar 19 - Thu, Mar 26
Multiple Airlines Logo
6:15 am - 8:10 am
LAS
-
USM
35h 55m
2 stops
Multiple Airlines Logo
5:05 pm - 5:14 pm
USM
-
LAS
38h 09m
3 stops
$1,484Multiple Airlines
Thu, Mar 19 - Thu, Mar 26
Multiple Airlines Logo
4:45 pm - 10:35 am
LAS
-
USM
26h 50m
2 stops
Multiple Airlines Logo
7:55 am - 10:27 pm
USM
-
LAS
28h 32m
3 stops
$1,502Multiple Airlines
Tue, Mar 3 - Tue, Mar 10
Multiple Airlines Logo
7:00 am - 8:00 am
LAS
-
USM
34h 00m
3 stops
Multiple Airlines Logo
7:55 am - 10:27 pm
USM
-
LAS
28h 32m
3 stops
$1,615Multiple Airlines
Tue, Mar 3 - Tue, Mar 10
Multiple Airlines Logo
8:28 pm - 1:45 pm
LAS
-
USM
27h 17m
3 stops
Multiple Airlines Logo
1:50 pm - 11:59 pm
USM
-
LAS
24h 09m
3 stops
$1,729Multiple Airlines
Thu, Apr 9 - Tue, Apr 21
Multiple Airlines Logo
7:59 pm - 3:35 pm
LAS
-
USM
29h 36m
3 stops
Multiple Airlines Logo
1:45 pm - 11:59 pm
USM
-
LAS
24h 14m
3 stops
$1,734Multiple Airlines
Fri, Mar 13 - Sun, Mar 22
Multiple Airlines Logo
8:28 pm - 1:45 pm
LAS
-
USM
27h 17m
3 stops
Multiple Airlines Logo
2:00 pm - 11:59 pm
USM
-
LAS
23h 59m
3 stops
$1,779Multiple Airlines
Fri, Apr 10 - Tue, Apr 21

Qatar Airways flights from Las Vegas to Ko Samui

Our best Qatar Airways deals on Las Vegas to Ko Samui flight tickets
Qatar Airways
Apr 9
LAS11:51 amLas Vegas Harry Reid Intl
33h 24m
3 stops
USM11:15 amKo Samui
Apr 21
USM8:50 pmKo Samui
34h 38m
3 stops
LAS5:28 pmLas Vegas Harry Reid Intl
$1,924
Qatar Airways
Apr 10
LAS11:51 amLas Vegas Harry Reid Intl
31h 29m
3 stops
USM9:20 amKo Samui
Apr 21
USM9:00 pmKo Samui
34h 28m
3 stops
LAS5:28 pmLas Vegas Harry Reid Intl
$1,964
Qatar Airways
Apr 8
LAS11:51 amLas Vegas Harry Reid Intl
32h 54m
3 stops
USM10:45 amKo Samui
Apr 20
USM7:55 pmKo Samui
35h 29m
3 stops
LAS5:24 pmLas Vegas Harry Reid Intl
$1,997

British Airways flights from Las Vegas to Ko Samui

Our best British Airways deals on Las Vegas to Ko Samui flight tickets
British Airways
Apr 8
LAS5:20 pmLas Vegas Harry Reid Intl
34h 55m
2 stops
USM6:15 pmKo Samui
Apr 20
USM1:30 pmKo Samui
44h 30m
2 stops
LAS8:00 pmLas Vegas Harry Reid Intl
$2,160
British Airways
May 6
LAS10:10 pmLas Vegas Harry Reid Intl
33h 00m
2 stops
USM9:10 pmKo Samui
May 10
USM4:25 pmKo Samui
41h 35m
2 stops
LAS8:00 pmLas Vegas Harry Reid Intl
$2,227
British Airways
Apr 10
LAS10:10 pmLas Vegas Harry Reid Intl
54h 05m
2 stops
USM6:15 pmKo Samui
Apr 21
USM1:30 pmKo Samui
44h 30m
2 stops
LAS8:00 pmLas Vegas Harry Reid Intl
$2,381

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 February 3, 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

Las VegasKo Samui

LAS - USM

LASUSM

Las Vegas Harry Reid Intl

Tue 3/3

4:45 pm-10:35 am

2 stops26h 50m

Ko Samui

Tue 3/10

6:30 pm-3:59 pm

2 stops35h 29m

$1,227

Las VegasKo Samui

LAS - USM

LASUSM

Las Vegas Harry Reid Intl

Thu 4/9

4:45 pm-1:10 pm

2 stops30h 25m

Ko Samui

Tue 4/21

6:25 pm-3:53 pm

2 stops35h 28m

$1,265

Las VegasKo Samui

LAS - USM

LASUSM

Las Vegas Harry Reid Intl

Fri 4/10

4:45 pm-6:15 pm

2 stops35h 30m

Ko Samui

Tue 4/21

9:00 pm-3:53 pm

2 stops32h 53m

$1,301

Las VegasKo Samui

LAS - USM

LASUSM

Las Vegas Harry Reid Intl

Thu 3/19

11:39 am-7:35 pm

2 stops41h 56m

Ko Samui

Thu 3/26

11:40 am-9:00 pm

2 stops23h 20m

$1,476

Las VegasKo Samui

LAS - USM

LASUSM

Las Vegas Harry Reid Intl

Thu 3/19

6:15 am-8:10 am

2 stops35h 55m

Ko Samui

Thu 3/26

5:05 pm-5:14 pm

3 stops38h 09m

$1,484

Las VegasKo Samui

LAS - USM

LASUSM

Las Vegas Harry Reid Intl

Tue 3/3

4:45 pm-10:35 am

2 stops26h 50m

Ko Samui

Tue 3/10

7:55 am-10:27 pm

3 stops28h 32m

$1,502

Las VegasKo Samui

LAS - USM

LASUSM

Las Vegas Harry Reid Intl

Tue 3/3

7:00 am-8:00 am

3 stops34h 00m

Ko Samui

Tue 3/10

7:55 am-10:27 pm

3 stops28h 32m

$1,615

Las VegasKo Samui

LAS - USM

LASUSM

Las Vegas Harry Reid Intl

Thu 4/9

8:28 pm-1:45 pm

3 stops27h 17m

Ko Samui

Tue 4/21

1:50 pm-11:59 pm

3 stops24h 09m

$1,729

Las VegasKo Samui

LAS - USM

LASUSM

Las Vegas Harry Reid Intl

Fri 3/13

7:59 pm-3:35 pm

3 stops29h 36m

Ko Samui

Sun 3/22

1:45 pm-11:59 pm

3 stops24h 14m

$1,734

Las VegasKo Samui

LAS - USM

LASUSM

Las Vegas Harry Reid Intl

Fri 4/10

8:28 pm-1:45 pm

3 stops27h 17m

Ko Samui

Tue 4/21

2:00 pm-11:59 pm

3 stops23h 59m

$1,779

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
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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

30h 25m

Direct flights

None
The fastest flight from Las Vegas to Ko Samui takes 30h 25m
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 30h 25m, 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 Tao
Ko Pha Ngan
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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