LAS - USM

$1,163 Find Cheap Flights from Las Vegas to Ko Samui - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$1,163
Typical prices: $1,172-$1,377
Cathay Pacific
Sun 2/11Sat 2/17
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

Thu, Feb 11 - Wed, Feb 17
Multiple Airlines Logo
2:22 pm - 7:35 pmLAS  Las Vegas Harry Reid Intl-USM Ko Samui
38h 13m2 stops Los Angeles Los Angeles Hong Kong Intl
Multiple Airlines Logo
7:40 pm - 1:20 pmUSM  Ko Samui-LAS Las Vegas Harry Reid Intl
32h 40m3 stops Bangkok Suvarnabhumi Hong Kong Intl Seattle/Tacoma Intl
$1,163Multiple Airlines
Wed, Feb 10 - Tue, Feb 16
Multiple Airlines Logo
5:10 pm - 11:30 amLAS  Las Vegas Harry Reid Intl-USM Ko Samui
27h 20m2 stops Vancouver Intl Bangkok Suvarnabhumi
Multiple Airlines Logo
9:30 pm - 4:08 pmUSM  Ko Samui-LAS Las Vegas Harry Reid Intl
33h 38m2 stops Bangkok Suvarnabhumi Vancouver Intl
$1,218Multiple Airlines
Thu, Feb 11 - Wed, Feb 17
Multiple Airlines Logo
7:00 am - 7:10 amLAS  Las Vegas Harry Reid Intl-USM Ko Samui
33h 10m3 stops San Francisco Hong Kong Intl Bangkok Suvarnabhumi
Multiple Airlines Logo
7:40 pm - 1:20 pmUSM  Ko Samui-LAS Las Vegas Harry Reid Intl
32h 40m3 stops Bangkok Suvarnabhumi Hong Kong Intl Seattle/Tacoma Intl
$1,235Multiple Airlines
Thu, Feb 11 - Tue, Feb 16
Multiple Airlines Logo
5:10 pm - 11:30 amLAS  Las Vegas Harry Reid Intl-USM Ko Samui
27h 20m2 stops Vancouver Intl Bangkok Suvarnabhumi
Multiple Airlines Logo
9:30 pm - 4:08 pmUSM  Ko Samui-LAS Las Vegas Harry Reid Intl
33h 38m2 stops Bangkok Suvarnabhumi Vancouver Intl
$1,263Multiple Airlines
Fri, Feb 12 - Tue, Feb 16
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
9:30 pm - 4:08 pmUSM  Ko Samui-LAS Las Vegas Harry Reid Intl
33h 38m2 stops Bangkok Suvarnabhumi Vancouver Intl
$1,263Multiple Airlines
Tue, Feb 9 - Tue, Feb 16
Multiple Airlines Logo
5:10 pm - 9:20 amLAS  Las Vegas Harry Reid Intl-USM Ko Samui
25h 10m2 stops Vancouver Intl Bangkok Suvarnabhumi
Multiple Airlines Logo
9:10 pm - 9:40 pmUSM  Ko Samui-LAS Las Vegas Harry Reid Intl
39h 30m2 stops Bangkok Suvarnabhumi Vancouver Intl
$1,267Multiple Airlines
Wed, Feb 10 - Mon, Feb 15
Multiple Airlines Logo
7:20 am - 9:20 amLAS  Las Vegas Harry Reid Intl-USM Ko Samui
35h 00m2 stops Vancouver Intl Bangkok Suvarnabhumi
Multiple Airlines Logo
9:10 pm - 4:08 pmUSM  Ko Samui-LAS Las Vegas Harry Reid Intl
33h 58m2 stops Bangkok Suvarnabhumi Vancouver Intl
$1,267Multiple Airlines
Tue, Feb 9 - Mon, Feb 15
Multiple Airlines Logo
5:10 pm - 9:20 amLAS  Las Vegas Harry Reid Intl-USM Ko Samui
25h 10m2 stops Vancouver Intl Bangkok Suvarnabhumi
Multiple Airlines Logo
9:10 pm - 4:08 pmUSM  Ko Samui-LAS Las Vegas Harry Reid Intl
33h 58m2 stops Bangkok Suvarnabhumi Vancouver Intl
$1,267Multiple Airlines
Thu, Feb 11 - Mon, Feb 15
Multiple Airlines Logo
5:10 pm - 9:20 amLAS  Las Vegas Harry Reid Intl-USM Ko Samui
25h 10m2 stops Vancouver Intl Bangkok Suvarnabhumi
Multiple Airlines Logo
9:10 pm - 4:08 pmUSM  Ko Samui-LAS Las Vegas Harry Reid Intl
33h 58m2 stops Bangkok Suvarnabhumi Vancouver Intl
$1,312Multiple Airlines
Fri, Feb 12 - Mon, Feb 15
Multiple Airlines Logo
7:20 am - 9:20 amLAS  Las Vegas Harry Reid Intl-USM Ko Samui
35h 00m2 stops Vancouver Intl Bangkok Suvarnabhumi
Multiple Airlines Logo
9:10 pm - 4:08 pmUSM  Ko Samui-LAS Las Vegas Harry Reid Intl
33h 58m2 stops Bangkok Suvarnabhumi Vancouver Intl
$1,312Multiple Airlines
Useful Info
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.

Read more
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.

Read more

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 route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • 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).

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

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

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

    Yes. Being flexible with your travel dates can save you up to 21% on the Las Vegas to Ko Samui route. 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 popular places can I visit in Ko Samui?

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

  • 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.

  • 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 $1,163 to $5,505. That means the highest observed fare was about 5x higher than the lowest one.

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

    Ko Samui is 14 hours ahead of Las Vegas (Indochina Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

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

    Ko Samui Airport (USM) hosts 5 major car rental companies, with daily rates starting from around $14 for economy cars. Top options include:
    • Drive Car Rental
    • Alamo
    • Sixt
    • Enterprise Rent-A-Car
    • Hertz

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 can be flexible, aim for a Wednesday departure instead of Monday. On this route, Wednesday flights average $1,172 - about $302 less than Monday (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
    - Cosi Samui Chaweng Beach
    - 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

Car rentals in Ko Samui
Hotels in Ko Samui
Vacations in Ko Samui