Cheap flights from Las Vegas (LAS) to Koh Samui (USM) from $1,558

This is the cheapest one-way flight price, found on 9/26. Prices may vary by date and flight preferences.
LAS — USM
Oct 3 — Oct 101

When is the cheapest time to fly from Las Vegas to Koh Samui (LAS - USM)?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Las Vegas to Koh Samui as you normally would.

Cheap Cathay Pacific flights from Las Vegas to Koh Samui

Cheap Las Vegas to Koh Samui flights in September & October 2023

The best prices found for LAS to USM flights for September, October

Las Vegas to Koh Samui 2023 flight deals

Cheap flights to Koh Samui from Las Vegas found for this year

Find flights from Las Vegas to Koh Samui within your budget

Use the slider to find flights from Las Vegas to Koh Samui that fit your budget.

Fly from

Any airport

Fly to

Any airport

Budget

$1,558 - $1,882

Route

Depart

Return

Price

Las Vegas Harry Reid IntlKo Samui

LAS - USM

LASUSM

Las Vegas Harry Reid Intl

Thu 10/26

2 stops57h 45m

Ko Samui

Thu 11/2

2 stops43h 53m

Las Vegas Harry Reid IntlKo Samui

LAS - USM

LASUSM

Las Vegas Harry Reid Intl

Thu 10/26

3 stops28h 15m

Ko Samui

Thu 11/2

3 stops23h 54m

Las Vegas Harry Reid IntlKo Samui

LAS - USM

LASUSM

Las Vegas Harry Reid Intl

Thu 10/26

2 stops32h 15m

Ko Samui

Thu 11/2

3 stops26h 00m

Las Vegas Harry Reid IntlKo Samui

LAS - USM

LASUSM

Las Vegas Harry Reid Intl

Thu 10/26

3 stops28h 55m

Ko Samui

Thu 11/2

3 stops25h 05m

Flights are sorted by cheapest first

Deals found on 9/26

Reviews of airlines servicing Koh Samui

Cathay Pacific
7.5
Good
184 reviews

Boarding

7.9

Food

7.0

Overall

7.5

Comfort

7.5

Crew

7.7

Entertainment

7.7

Reviews

1 / 10

Service was excellent..but the free checkin baggage was only compared to 2 bags from other airlines...that extra baggage means a lot to us traveling to asian countries

Cathay Pacific
7.5
Good
184 reviews
Cathay Pacific
7.5
Good
184 reviews

Boarding

7.9

Food

7.0

Overall

7.5

Comfort

7.5

Crew

7.7

Entertainment

7.7

Reviews

1 / 10

Service was excellent..but the free checkin baggage was only compared to 2 bags from other airlines...that extra baggage means a lot to us traveling to asian countries

Related info for your journey

Useful info, stats and facts about Las Vegas to Koh Samui flights.

Can I find flights from Las Vegas to Koh Samui for under $1,600 on Cheapflights?

Yes, there are multiple flights from Las Vegas to Koh Samui for under $1,600. The cheapest flight booked recently is on Cathay Pacific for just $1,558, but on average you can expect to pay $1,746.

What does LAS to USM mean?

LAS stands for Las Vegas Harry Reid Intl Airport, while USM stands for Ko Samui Airport. These codes are often called IATA codes, a set of identifiers established by IATA (International Air Transport Association) that is widely used by airlines and the aviation industry.

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Need flexible booking options for your flight to Koh Samui from Las Vegas? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Las Vegas to Koh Samui become cheaper?

Yes, Cheapflights has a feature called Price Alert, which essentially offers users the ability to be notified when flight prices change. Track prices for your flight to Koh Samui from Las Vegas today and book when you’re ready!

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