LAS - USM

$500 Find Cheap Flights from Las Vegas to Ko Samui - Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$1,141
Typical prices: $1,172-$1,324
Cathay Pacific
Fri 11/16Sun 12/9
LAS - USM • 2 stops
Cheapest one-way
$500
Typical prices: $1,650-$2,350
Cathay Pacific
Fri 11/23
LAS - USM • 2 stops
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Flight Deals

Cheap Flights from Las Vegas to Ko Samui (LAS-USM)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Las Vegas to Ko Samui

Wed, Dec 2 - Fri, Dec 11
Cathay Pacific Logo
2:55 pm - 7:35 pmLAS  Las Vegas Harry Reid Intl-USM Ko Samui
37h 40m2 stops Los Angeles Hong Kong Intl
Cathay Pacific Logo
11:40 am - 9:02 pmUSM  Ko Samui-LAS Las Vegas Harry Reid Intl
24h 22m2 stops Hong Kong Intl Los Angeles
$1,597Cathay Pacific
Wed, Dec 2 - Fri, Dec 11
Multiple Airlines Logo
2:55 pm - 7:35 pmLAS  Las Vegas Harry Reid Intl-USM Ko Samui
37h 40m2 stops Los Angeles Hong Kong Intl
Multiple Airlines Logo
11:40 am - 8:38 amUSM  Ko Samui-LAS Las Vegas Harry Reid Intl
35h 58m2 stops Hong Kong Intl San Francisco
$1,683Multiple Airlines
Wed, Dec 2 - Fri, Dec 11
Qatar Airways Logo
9:34 am - 9:20 amLAS  Las Vegas Harry Reid Intl-USM Ko Samui
32h 46m3 stops Seattle/Tacoma Intl Doha Hamad Intl Bangkok Suvarnabhumi
Qatar Airways Logo
9:10 pm - 5:04 pmUSM  Ko Samui-LAS Las Vegas Harry Reid Intl
34h 54m3 stops Bangkok Suvarnabhumi Doha Hamad Intl Seattle/Tacoma Intl
$2,147Qatar Airways
Wed, Dec 2 - Fri, Dec 11
Qatar Airways Logo
9:34 am - 10:35 amLAS  Las Vegas Harry Reid Intl-USM Ko Samui
34h 01m3 stops Seattle/Tacoma Intl Doha Hamad Intl Bangkok Suvarnabhumi
Qatar Airways Logo
9:10 pm - 5:04 pmUSM  Ko Samui-LAS Las Vegas Harry Reid Intl
34h 54m3 stops Bangkok Suvarnabhumi Doha Hamad Intl Seattle/Tacoma Intl
$2,280Qatar Airways
Wed, Dec 2 - Fri, Dec 11
Singapore Airlines Logo
10:03 am - 6:15 pmLAS  Las Vegas Harry Reid Intl-USM Ko Samui
41h 12m3 stops New York John F Kennedy Intl Frankfurt am Main Singapore Changi
Singapore Airlines Logo
1:25 pm - 9:34 amUSM  Ko Samui-LAS Las Vegas Harry Reid Intl
35h 09m2 stops Singapore Changi Los Angeles
$2,404Singapore Airlines
Wed, Dec 2 - Fri, Dec 11
Singapore Airlines Logo
10:03 am - 6:15 pmLAS  Las Vegas Harry Reid Intl-USM Ko Samui
41h 12m3 stops New York John F Kennedy Intl Frankfurt am Main Singapore Changi
Singapore Airlines Logo
1:25 pm - 11:54 pmUSM  Ko Samui-LAS Las Vegas Harry Reid Intl
25h 29m2 stops Singapore Changi Los Angeles
$2,779Singapore Airlines
Thu, Dec 17 - Thu, Dec 24
Multiple Airlines Logo
10:13 pm - 6:55 amLAS  Las Vegas Harry Reid Intl-USM Ko Samui
41h 42m3 stops San Francisco Taipei City Taiwan Taoyuan Intl Bangkok Suvarnabhumi
Multiple Airlines Logo
9:20 am - 7:22 pmUSM  Ko Samui-LAS Las Vegas Harry Reid Intl
25h 02m3 stops Bangkok Suvarnabhumi Taipei City Taiwan Taoyuan Intl San Francisco
$2,835Multiple Airlines
Thu, Dec 17 - Thu, Dec 24
Multiple Airlines Logo
7:00 am - 7:55 amLAS  Las Vegas Harry Reid Intl-USM Ko Samui
33h 55m3 stops Seattle/Tacoma Intl Tokyo Narita Bangkok Suvarnabhumi
Multiple Airlines Logo
9:30 pm - 9:40 pmUSM  Ko Samui-LAS Las Vegas Harry Reid Intl
39h 10m2 stops Bangkok Suvarnabhumi Vancouver Intl
$3,325Multiple Airlines
Thu, Dec 17 - Thu, Dec 24
Multiple Airlines Logo
5:10 pm - 10:35 amLAS  Las Vegas Harry Reid Intl-USM Ko Samui
26h 25m2 stops Vancouver Intl Bangkok Suvarnabhumi
Multiple Airlines Logo
1:25 pm - 4:08 pmUSM  Ko Samui-LAS Las Vegas Harry Reid Intl
41h 43m2 stops Singapore Changi Vancouver Intl
$3,344Multiple Airlines
Booking Insights

Price, demand and travel trends for Las Vegas to Ko Samui flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

How much is a round-trip flight from Las Vegas to Ko Samui?

Round-trip flights from Las Vegas to Ko Samui typically range from $1,172 to $1,324. The lowest price found in the past 5 days was $1,141, on Cathay Pacific.

Expert advice

Expert advice for your flight from Las Vegas to Ko Samui

 
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Harriet Baskas

Harriet Baskas

Expert on JetBlue

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Stefanie Waldek

Stefanie Waldek

Expert on Delta

Stefanie Waldek is a freelance space, travel, and design writer based in Saratoga Springs, NY. Her words have appeared in Space.com, Travel + Leisure, Condé Nast Traveler, Architectural Digest, and House Beautiful, among other publications. An expert in aviation and expedition cruising, Stefanie is frequently up in the air or on the sea, likely en route to Antarctica or the Arctic.

Key details for Las Vegas to Ko Samui flights

Cheapest flight

$500
One-way flight from Las Vegas to Ko Samui

When to book flights from Las Vegas to Ko Samui

Are your dates flexible? Find out the best times to travel from Las Vegas to Ko Samui based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Las Vegas to Ko Samui flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What cabin classes can I book on flights from Las Vegas to Ko Samui?

    Only Economy Class is available on flights from Las Vegas to Ko Samui.

  • Do I need a passport to fly from Las Vegas to Ko Samui?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How much should I expect to pay for a Las Vegas to Ko Samui flight?

    Round-trip flights from Las Vegas to Ko Samui range from $1,172 to $1,324, with an average of $1,231 over the past 12 months. Anything below $1,172 counts as a good deal.

  • Have flight prices from Las Vegas to Ko Samui changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $1,597 to $3,344. That means the highest observed fare was about 2x higher than the lowest one.

  • How are flight prices from Las Vegas to Ko Samui looking right now?

    One-way fares from Las Vegas to Ko Samui are currently lower than usual. Average one-way flight prices are about $540, which is 68% below the typical average for this route.

  • What car rental options are available at Ko Samui Airport (USM)?

    Ko Samui Airport (USM) hosts 5 major car rental companies, with daily rates averaging $29 for economy cars. Top options include:

    • Drive Car Rental
    • Alamo
    • Sixt
    • Enterprise Rent-A-Car
    • Thai Rent

  • Which airports can I use when flying from Las Vegas to Ko Samui?

    Flights from Las Vegas to Ko Samui usually depart from Las Vegas Harry Reid Intl (LAS) and arrive at Ko Samui (USM).

  • Can I save money by using flexible dates for flights from Las Vegas to Ko Samui?

    Yes. Flexible dates can save you up to 21% on flights from Las Vegas to Ko Samui. Wednesday is the cheapest departure day at $1,172 round-trip on average, while Monday is the most expensive at $1,474, a difference of $302.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What is the time difference between Las Vegas and Ko Samui?

    Ko Samui is 15 hours ahead of Las Vegas (Indochina Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in Ko Samui?

    Some of the most popular sights in Ko Samui are Lamai Beach, Chaweng Beach and Choeng Mon Beach. These are among the most viewed places in Ko Samui on KAYAK.

Your guide to booking Las Vegas to Ko Samui flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Wednesday departure and avoid flying on Monday. On this route, Wednesday flights average $1,172, about $302 less than Monday fares (20% savings) based on the last 12 months.
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Ko Samui Airport.

    • Ozo Chaweng Samui - Sha Extra Plus
    • Melia Koh Samui
    • Amari Koh Samui

More options for your flight from Las Vegas to Ko Samui

Complete your trip to Ko Samui with a hotel stay or car rental