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Cheap flights from Las Vegas to Ko Samui from $1,177

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 9/14. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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
6:00 pm - 9:20 am
LAS
-
USM
25h 20m
2 stops
Multiple Airlines Logo
4:25 pm - 4:58 pm
USM
-
LAS
38h 33m
2 stops
$1,177Multiple Airlines
Mon, Sep 14 - Mon, Sep 28
Multiple Airlines Logo
6:00 pm - 2:40 pm
LAS
-
USM
30h 40m
3 stops
Multiple Airlines Logo
1:30 pm - 11:43 pm
USM
-
LAS
48h 13m
2 stops
$1,403Multiple Airlines
Mon, Sep 14 - Mon, Sep 28
Multiple Airlines Logo
6:00 pm - 2:40 pm
LAS
-
USM
30h 40m
3 stops
Multiple Airlines Logo
7:10 pm - 4:58 pm
USM
-
LAS
35h 48m
3 stops
$1,428Multiple Airlines
Mon, Sep 14 - Mon, Sep 28
Multiple Airlines Logo
6:50 am - 10:45 am
LAS
-
USM
37h 55m
2 stops
Multiple Airlines Logo
9:25 pm - 12:36 am
USM
-
LAS
41h 11m
2 stops
$1,719Multiple Airlines
Wed, Jul 1 - Tue, Jul 14
Multiple Airlines Logo
6:50 am - 5:05 pm
LAS
-
USM
44h 15m
2 stops
Multiple Airlines Logo
1:30 pm - 12:36 am
USM
-
LAS
49h 06m
2 stops
$1,964Multiple Airlines
Mon, Aug 3 - Mon, Aug 10
Multiple Airlines Logo
3:12 pm - 7:45 am
LAS
-
USM
26h 33m
3 stops
Multiple Airlines Logo
4:25 pm - 1:11 pm
USM
-
LAS
34h 46m
3 stops
$1,985Multiple Airlines
Mon, Aug 3 - Mon, Aug 10
Singapore Airlines Logo
10:44 am - 9:05 pm
LAS
-
USM
44h 21m
2 stops
Singapore Airlines Logo
1:25 pm - 11:56 pm
USM
-
LAS
24h 31m
2 stops
$2,167Singapore Airlines
Fri, Oct 23 - Tue, Oct 27
Singapore Airlines Logo
7:30 pm - 6:15 pm
LAS
-
USM
56h 45m
2 stops
Singapore Airlines Logo
1:25 pm - 11:56 pm
USM
-
LAS
25h 31m
2 stops
$2,174Singapore Airlines
Sat, Oct 31 - Wed, Nov 4
Singapore Airlines Logo
7:30 pm - 6:15 pm
LAS
-
USM
56h 45m
2 stops
Singapore Airlines Logo
1:25 pm - 8:07 pm
USM
-
LAS
45h 42m
3 stops
$2,186Singapore Airlines
Sat, Oct 31 - Wed, Nov 4
Multiple Airlines Logo
6:00 pm - 7:40 pm
LAS
-
USM
35h 40m
2 stops
Multiple Airlines Logo
8:50 pm - 3:35 pm
USM
-
LAS
32h 45m
3 stops
$2,202Multiple Airlines
Mon, Aug 3 - Mon, Aug 10

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Singapore Airlines flights from Las Vegas to Ko Samui

Our best Singapore Airlines deals on Las Vegas to Ko Samui flight tickets
Singapore Airlines
Oct 23
LAS10:44 amLas Vegas Harry Reid Intl
44h 21m
2 stops
USM9:05 pmKo Samui
Oct 27
USM1:25 pmKo Samui
24h 31m
2 stops
LAS11:56 pmLas Vegas Harry Reid Intl
$2,167
Singapore Airlines
Oct 31
LAS7:30 pmLas Vegas Harry Reid Intl
56h 45m
2 stops
USM6:15 pmKo Samui
Nov 4
USM1:25 pmKo Samui
25h 31m
2 stops
LAS11:56 pmLas Vegas Harry Reid Intl
$2,174
Singapore Airlines
Oct 31
LAS7:30 pmLas Vegas Harry Reid Intl
56h 45m
2 stops
USM6:15 pmKo Samui
Nov 4
USM1:25 pmKo Samui
45h 42m
3 stops
LAS8:07 pmLas Vegas Harry Reid Intl
$2,186

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 June 21, 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

Mon 9/14

6:00 pm-9:20 am

2 stops25h 20m

Ko Samui

Mon 9/28

4:25 pm-4:58 pm

2 stops38h 33m

$1,177

Las VegasKo Samui

LAS - USM

LASUSM

Las Vegas Harry Reid Intl

Mon 9/14

6:00 pm-2:40 pm

3 stops30h 40m

Ko Samui

Mon 9/28

1:30 pm-11:43 pm

2 stops48h 13m

$1,403

Las VegasKo Samui

LAS - USM

LASUSM

Las Vegas Harry Reid Intl

Mon 9/14

6:00 pm-2:40 pm

3 stops30h 40m

Ko Samui

Mon 9/28

7:10 pm-4:58 pm

3 stops35h 48m

$1,428

Las VegasKo Samui

LAS - USM

LASUSM

Las Vegas Harry Reid Intl

Wed 7/1

6:50 am-10:45 am

2 stops37h 55m

Ko Samui

Tue 7/14

9:25 pm-12:36 am

2 stops41h 11m

$1,719

Las VegasKo Samui

LAS - USM

LASUSM

Las Vegas Harry Reid Intl

Mon 8/3

6:50 am-5:05 pm

2 stops44h 15m

Ko Samui

Mon 8/10

1:30 pm-12:36 am

2 stops49h 06m

$1,964
Quickest round-trip

Las VegasKo Samui

LAS - USM

LASUSM

Las Vegas Harry Reid Intl

Mon 8/3

3:12 pm-7:45 am

3 stops26h 33m

Ko Samui

Mon 8/10

4:25 pm-1:11 pm

3 stops34h 46m

$1,985

Las VegasKo Samui

LAS - USM

LASUSM

Las Vegas Harry Reid Intl

Fri 10/23

10:44 am-9:05 pm

2 stops44h 21m

Ko Samui

Tue 10/27

1:25 pm-11:56 pm

2 stops24h 31m

$2,167

Las VegasKo Samui

LAS - USM

LASUSM

Las Vegas Harry Reid Intl

Sat 10/31

7:30 pm-6:15 pm

2 stops56h 45m

Ko Samui

Wed 11/4

1:25 pm-11:56 pm

2 stops25h 31m

$2,174

Las VegasKo Samui

LAS - USM

LASUSM

Las Vegas Harry Reid Intl

Sat 10/31

7:30 pm-6:15 pm

2 stops56h 45m

Ko Samui

Wed 11/4

1:25 pm-8:07 pm

3 stops45h 42m

$2,186

Las VegasKo Samui

LAS - USM

LASUSM

Las Vegas Harry Reid Intl

Mon 8/3

6:00 pm-7:40 pm

2 stops35h 40m

Ko Samui

Mon 8/10

8:50 pm-3:35 pm

3 stops32h 45m

$2,202

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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

37h 55m

Direct flights

None
The fastest flight from Las Vegas to Ko Samui takes 37h 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

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 37h 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.

Frequently asked questions about flying from Las Vegas to Ko Samui

  • How do I get Price Alerts for flights from Las Vegas to Ko Samui?

    Confirm your travel details to search for the latest offers for flights from Las Vegas to Ko Samui. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

  • How can I save money on flights from Las Vegas to Ko Samui with momondo?

    With “Price Forecast”, learn how soon you should book your flight in advance. Down to the day of week and time of day, our information can inform you on the ideal time to book to save on your travel. Our “Price Calendar” shows you at a quick glance when to book your travel for lower rates. By setting “Price Alerts” you can monitor changes in price and target the ideal time to book. Search for your trip destination by budget amount via our “Explore” feature. Whether you’re looking for ideas for your next travel adventure or cost-cutting tips, our “Discover” content is a great place to start.

  • How does momondo find its flight prices?

    We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

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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