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. 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 ฿38,668 return on average, while Monday is the most expensive at ฿48,632, a difference of ฿9,964. 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 Chaweng Beach, Lamai Beach, and Hin Ta and Hin Yai Rocks. 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, return flight prices on this route showed a wide range, from about ฿46,751 to ฿178,491. That means the highest observed fare was about 4x 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.

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

Ko Samui Airport (USM) hosts 5 major car hire companies, with daily rates starting from around ฿448 for economy cars. Top options include: • Drive Car Rental • Alamo • Sixt • Enterprise Rent-A-Car • Hertz

Cheap Flights from Las Vegas to Ko Samui | KAYAK

Save 16% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Cheapest return flight

฿46,751

Typical prices: ฿38,652-฿45,434

Multiple Airlines

Thu 1/11Mon 12/11

LAS - USM • 3 stops

Start a new search

KAYAK searches hundreds of sites at once to find you the best travel deals.

We hope you enjoy your trip to Ko Samui!

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.

Return

One-way

Recent return flight deals from Las Vegas to Ko Samui

Sun 1 Nov - Thu 12 Nov

10:32 - 16:15LAS Las Vegas Harry Reid Intl-USM Ko Samui

38h 43m3 stops San Francisco Taipei City Taiwan Taoyuan Intl Bangkok Suvarnabhumi

09:40 - 21:00USM Ko Samui-LAS Las Vegas Harry Reid Intl

26h 20m3 stops Bangkok Suvarnabhumi Taipei City Taiwan Taoyuan Intl San Francisco

฿46,751Multiple Airlines

Sun 1 Nov - Wed 11 Nov

10:32 - 16:15LAS Las Vegas Harry Reid Intl-USM Ko Samui

38h 43m3 stops San Francisco Taipei City Taiwan Taoyuan Intl Bangkok Suvarnabhumi

16:25 - 16:08USM Ko Samui-LAS Las Vegas Harry Reid Intl

38h 43m2 stops Singapore Changi Vancouver Intl

฿52,459Multiple Airlines

Sun 1 Nov - Thu 12 Nov

10:32 - 16:15LAS Las Vegas Harry Reid Intl-USM Ko Samui

38h 43m3 stops San Francisco Taipei City Taiwan Taoyuan Intl Bangkok Suvarnabhumi

13:25 - 16:08USM Ko Samui-LAS Las Vegas Harry Reid Intl

41h 43m2 stops Singapore Changi Vancouver Intl

฿53,745Multiple Airlines

Sun 1 Nov - Wed 11 Nov

08:00 - 18:15LAS Las Vegas Harry Reid Intl-USM Ko Samui

43h 15m2 stops Los Angeles Singapore Changi

13:25 - 23:57USM Ko Samui-LAS Las Vegas Harry Reid Intl

25h 32m2 stops Singapore Changi Los Angeles

฿68,361Singapore Airlines

Sun 1 Nov - Thu 12 Nov

08:00 - 18:15LAS Las Vegas Harry Reid Intl-USM Ko Samui

43h 15m2 stops Los Angeles Singapore Changi

16:25 - 23:57USM Ko Samui-LAS Las Vegas Harry Reid Intl

46h 32m2 stops Singapore Changi Los Angeles

฿68,922Singapore Airlines

Wed 21 Oct - Sun 25 Oct

08:19 - 21:10LAS Las Vegas Harry Reid Intl-USM Ko Samui

46h 51m2 stops Los Angeles Singapore Changi

16:25 - 09:00USM Ko Samui-LAS Las Vegas Harry Reid Intl

54h 35m2 stops Singapore Changi New York John F Kennedy Intl

฿79,612Singapore Airlines

Wed 21 Oct - Sun 25 Oct

14:23 - 21:10LAS Las Vegas Harry Reid Intl-USM Ko Samui

40h 47m2 stops Los Angeles Singapore Changi

13:25 - 09:00USM Ko Samui-LAS Las Vegas Harry Reid Intl

57h 35m3 stops Singapore Changi Frankfurt am Main New York John F Kennedy Intl

฿84,759Singapore Airlines

Wed 21 Oct - Sun 25 Oct

22:10 - 18:15LAS Las Vegas Harry Reid Intl-USM Ko Samui

54h 05m2 stops London Heathrow Singapore Changi

16:25 - 19:50USM Ko Samui-LAS Las Vegas Harry Reid Intl

41h 25m2 stops Singapore Changi London Heathrow

฿176,677บริติชแอร์เวย์

Wed 21 Oct - Sun 25 Oct

22:10 - 21:10LAS Las Vegas Harry Reid Intl-USM Ko Samui

33h 00m2 stops London Heathrow Singapore Changi

13:25 - 19:50USM Ko Samui-LAS Las Vegas Harry Reid Intl

44h 25m2 stops Singapore Changi London Heathrow

฿178,491บริติชแอร์เวย์

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 from Las Vegas to Ko Samui with more confidence.

What is the cheapest airline to fly from Las Vegas to Ko Samui?

Singapore Airlines (฿68,361) and บริติชแอร์เวย์ (฿176,677) are the cheapest airlines to fly return from Las Vegas to Ko Samui according to KAYAK data over the last 5 days.

Find deals

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

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or returns with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

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. 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 ฿38,668 return on average, while Monday is the most expensive at ฿48,632, a difference of ฿9,964. 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 Chaweng Beach, Lamai Beach, and Hin Ta and Hin Yai Rocks. 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, return flight prices on this route showed a wide range, from about ฿46,751 to ฿178,491. That means the highest observed fare was about 4x 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.
Which car hire options are available at Ko Samui Airport (USM)?
Ko Samui Airport (USM) hosts 5 major car hire companies, with daily rates starting from around ฿448 for economy cars. Top options include:
• Drive Car Rental
• Alamo
• Sixt
• Enterprise Rent-A-Car
• Hertz

If your dates are flexible, aim for a Wednesday departure instead of Monday. On this route, Wednesday flights average ฿38,668 – about ฿9,964 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
- Melia Koh Samui

More options for your flight from Las Vegas to Ko Samui

Add a hotel or car rental

Airports

Cabin class

Origins

Other destinations

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

Car rentals in Ko Samui

Hotels in Ko Samui

LAS - USM

฿46,751 Find Cheap Flights from Las Vegas to Ko Samui – Compare and Save

Everything you should know

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

Recent return flight deals from Las Vegas to Ko Samui

Recent one-way flight deals from Las Vegas to Ko Samui

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

What is the cheapest airline to fly from Las Vegas to Ko Samui?

When to book flights from Las Vegas to Ko Samui

Your Las Vegas to Ko Samui flight questions, answered

Your guide to booking Las Vegas to Ko Samui flights

More options for your flight from Las Vegas to Ko Samui

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

Information on your arrival and departure airports

Cabin class types available on flights from Las Vegas to Ko Samui

Flights from domestic origins to Ko Samui

Flights to other popular destinations