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Cheap flights from Las Vegas to Ko Samui from $663

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 7/14. 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
1:20 pm - 7:40 pm
LAS
-
USM
40h 20m
2 stops
Multiple Airlines Logo
11:55 am - 12:30 pm
USM
-
LAS
38h 35m
2 stops
$1,670Multiple Airlines
Tue, Jun 2 - Wed, Jun 24
Multiple Airlines Logo
1:20 pm - 7:40 pm
LAS
-
USM
40h 20m
2 stops
Multiple Airlines Logo
11:55 am - 9:26 pm
USM
-
LAS
23h 31m
2 stops
$1,685Multiple Airlines
Tue, Jun 2 - Thu, Jun 25
Multiple Airlines Logo
1:20 pm - 7:40 pm
LAS
-
USM
40h 20m
2 stops
Multiple Airlines Logo
11:55 am - 12:30 pm
USM
-
LAS
38h 35m
2 stops
$1,720Multiple Airlines
Tue, Jun 23 - Thu, Jul 9
Qatar Airways Logo
10:23 am - 9:20 am
LAS
-
USM
32h 57m
3 stops
Qatar Airways Logo
8:50 pm - 5:24 pm
USM
-
LAS
34h 34m
3 stops
$1,744Qatar Airways
Tue, Jun 23 - Thu, Jul 9
Multiple Airlines Logo
1:20 pm - 12:45 pm
LAS
-
USM
33h 25m
3 stops
Multiple Airlines Logo
3:50 pm - 12:30 pm
USM
-
LAS
34h 40m
3 stops
$1,748Multiple Airlines
Tue, Jun 2 - Thu, Jun 25
Multiple Airlines Logo
1:20 pm - 12:45 pm
LAS
-
USM
33h 25m
3 stops
Multiple Airlines Logo
11:55 am - 12:30 pm
USM
-
LAS
38h 35m
2 stops
$1,749Multiple Airlines
Tue, Jun 2 - Thu, Jun 25
Multiple Airlines Logo
6:00 pm - 12:45 pm
LAS
-
USM
28h 45m
3 stops
Multiple Airlines Logo
3:50 pm - 12:30 pm
USM
-
LAS
34h 40m
3 stops
$1,782Multiple Airlines
Thu, Jul 16 - Thu, Jul 23
Multiple Airlines Logo
6:00 pm - 12:45 pm
LAS
-
USM
28h 45m
3 stops
Multiple Airlines Logo
3:50 pm - 12:30 pm
USM
-
LAS
34h 40m
3 stops
$1,789Multiple Airlines
Thu, Jul 16 - Thu, Jul 23
Multiple Airlines Logo
6:00 pm - 12:45 pm
LAS
-
USM
28h 45m
3 stops
Multiple Airlines Logo
3:50 pm - 12:30 pm
USM
-
LAS
34h 40m
3 stops
$1,802Multiple Airlines
Thu, Jul 16 - Thu, Jul 23
Multiple Airlines Logo
6:03 pm - 7:40 pm
LAS
-
USM
59h 37m
2 stops
Multiple Airlines Logo
11:55 am - 9:33 pm
USM
-
LAS
23h 38m
2 stops
$1,804Multiple Airlines
Thu, Jul 16 - Thu, Jul 23

Qatar Airways flights from Las Vegas to Ko Samui

Our best Qatar Airways deals on Las Vegas to Ko Samui flight tickets
Qatar Airways
Jun 23
LAS10:23 amLas Vegas Harry Reid Intl
32h 57m
3 stops
USM9:20 amKo Samui
Jul 9
USM8:50 pmKo Samui
34h 34m
3 stops
LAS5:24 pmLas Vegas Harry Reid Intl
$1,744
Qatar Airways
Jul 16
LAS10:04 amLas Vegas Harry Reid Intl
33h 16m
3 stops
USM9:20 amKo Samui
Jul 23
USM8:50 pmKo Samui
35h 03m
3 stops
LAS5:53 pmLas Vegas Harry Reid Intl
$2,092
Qatar Airways
Jul 16
LAS10:04 amLas Vegas Harry Reid Intl
33h 16m
3 stops
USM9:20 amKo Samui
Jul 23
USM8:50 pmKo Samui
36h 04m
3 stops
LAS6:54 pmLas Vegas Harry Reid Intl
$2,275

British Airways flights from Las Vegas to Ko Samui

Our best British Airways deals on Las Vegas to Ko Samui flight tickets
British Airways
Oct 29
LAS9:55 pmLas Vegas Harry Reid Intl
30h 20m
2 stops
USM6:15 pmKo Samui
Nov 2
USM4:25 pmKo Samui
41h 25m
2 stops
LAS6:50 pmLas Vegas Harry Reid Intl
$2,390
British Airways
Oct 30
LAS9:55 pmLas Vegas Harry Reid Intl
30h 20m
2 stops
USM6:15 pmKo Samui
Nov 3
USM4:25 pmKo Samui
41h 25m
2 stops
LAS6:50 pmLas Vegas Harry Reid Intl
$2,472
British Airways
Oct 29
LAS9:55 pmLas Vegas Harry Reid Intl
33h 10m
2 stops
USM9:05 pmKo Samui
Nov 2
USM4:25 pmKo Samui
41h 25m
2 stops
LAS6:50 pmLas Vegas Harry Reid Intl
$2,473

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 May 6, 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

Tue 6/2

1:20 pm-7:40 pm

2 stops40h 20m

Ko Samui

Wed 6/24

11:55 am-12:30 pm

2 stops38h 35m

$1,670

Las VegasKo Samui

LAS - USM

LASUSM

Las Vegas Harry Reid Intl

Tue 6/2

1:20 pm-7:40 pm

2 stops40h 20m

Ko Samui

Thu 6/25

11:55 am-9:26 pm

2 stops23h 31m

$1,685

Las VegasKo Samui

LAS - USM

LASUSM

Las Vegas Harry Reid Intl

Tue 6/23

1:20 pm-7:40 pm

2 stops40h 20m

Ko Samui

Thu 7/9

11:55 am-12:30 pm

2 stops38h 35m

$1,720

Las VegasKo Samui

LAS - USM

LASUSM

Las Vegas Harry Reid Intl

Tue 6/23

10:23 am-9:20 am

3 stops32h 57m

Ko Samui

Thu 7/9

8:50 pm-5:24 pm

3 stops34h 34m

$1,744

Las VegasKo Samui

LAS - USM

LASUSM

Las Vegas Harry Reid Intl

Tue 6/2

1:20 pm-12:45 pm

3 stops33h 25m

Ko Samui

Thu 6/25

3:50 pm-12:30 pm

3 stops34h 40m

$1,748

Las VegasKo Samui

LAS - USM

LASUSM

Las Vegas Harry Reid Intl

Tue 6/2

1:20 pm-12:45 pm

3 stops33h 25m

Ko Samui

Thu 6/25

11:55 am-12:30 pm

2 stops38h 35m

$1,749
Quickest round-trip

Las VegasKo Samui

LAS - USM

LASUSM

Las Vegas Harry Reid Intl

Thu 7/16

6:00 pm-12:45 pm

3 stops28h 45m

Ko Samui

Thu 7/23

3:50 pm-12:30 pm

3 stops34h 40m

$1,782

Las VegasKo Samui

LAS - USM

LASUSM

Las Vegas Harry Reid Intl

Thu 7/16

6:00 pm-12:45 pm

3 stops28h 45m

Ko Samui

Thu 7/23

3:50 pm-12:30 pm

3 stops34h 40m

$1,789

Las VegasKo Samui

LAS - USM

LASUSM

Las Vegas Harry Reid Intl

Thu 7/16

6:00 pm-12:45 pm

3 stops28h 45m

Ko Samui

Thu 7/23

3:50 pm-12:30 pm

3 stops34h 40m

$1,802

Las VegasKo Samui

LAS - USM

LASUSM

Las Vegas Harry Reid Intl

Thu 7/16

6:03 pm-7:40 pm

2 stops59h 37m

Ko Samui

Thu 7/23

11:55 am-9:33 pm

2 stops23h 38m

$1,804

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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 airline that flies from Las Vegas Harry Reid Intl to Ko Samui?

Cathay Pacific is the most popular carrier operating from Las Vegas Harry Reid Intl to Ko Samui

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

28h 45m

Direct flights

None
The fastest flight from Las Vegas to Ko Samui takes 28h 45m
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

Frequently asked questions about flying from Las Vegas to Ko Samui

  • 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 28h 45m, 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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