LAS - USM

฿115,838 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 return flight
฿115,838
Typical prices: ฿39,530-฿46,466
Multiple Airlines
Sun 23/12Wed 3/1
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 return flight deals from Las Vegas to Ko Samui

Wed 23 Dec - Sun 3 Jan
Multiple Airlines Logo
07:20 - 10:35LAS  Las Vegas Harry Reid Intl-USM Ko Samui
36h 15m2 stops Vancouver Intl Bangkok Suvarnabhumi
Multiple Airlines Logo
19:40 - 12:15USM  Ko Samui-LAS Las Vegas Harry Reid Intl
31h 35m2 stops Bangkok Suvarnabhumi Tokyo Narita
฿115,838Multiple Airlines
Wed 23 Dec - Sun 3 Jan
Multiple Airlines Logo
07:20 - 08:10LAS  Las Vegas Harry Reid Intl-USM Ko Samui
33h 50m3 stops Vancouver Intl Shanghai Pu Dong Bangkok Suvarnabhumi
Multiple Airlines Logo
19:40 - 16:08USM  Ko Samui-LAS Las Vegas Harry Reid Intl
35h 28m2 stops Bangkok Suvarnabhumi Vancouver Intl
฿131,764Multiple Airlines
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Key details for Las Vegas to Ko Samui flights

Cheapest flight

฿115,838
Round-trip 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 return price

Your Las Vegas to Ko Samui flight questions, answered

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

  • 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, return prices on this route varied from about ฿115,838 to ฿131,764. That means the highest observed fare was about 13% higher than the lowest one.

  • Which car hire options are available at Ko Samui Airport (USM)?

    Ko Samui Airport (USM) hosts 5 major car rental companies, with daily rates starting from around ฿430 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 ฿39,546 return on average, while Monday is the most expensive at ฿49,736, a difference of ฿10,190.

    KAYAK's flexible dates feature shows options up to three 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 14 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 Chaweng Beach, Lamai Beach, and Bophut 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 ฿39,546, which is about ฿10,190 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
    • Royal Muang Samui Villas

More options for your flight from Las Vegas to Ko Samui

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

Car rentals in Ko Samui
Hotels in Ko Samui