Cheap flights to Koh Samui, Thailand

From
To
Fri 10/1
Fri 10/8
Any month
Compare vs. Cheapflights |
From
To
Depart
Fri 10/1
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime
From
To
Depart
Depart
Time
Anytime

We work with more than 300 partners to bring you better travel deals

Home Flights Asia Thailand Cheap flights to Koh Samui, Thailand

Flights to Koh Samui in 2021

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
Round-trip from$914From Las Vegas McCarran to Koh Samui
One-way from$10One-way flight from Las Vegas McCarran (LAS) to Koh Samui (USM)

Cheapest Prices for Koh Samui flights by month

The cheapest ticket to Koh Samui found for each month in 2021 based on historical flight searches by Cheapflights users.
January
$1,088
February
$1,084
March
$1,023
April
$1,090
May
$1,080
June
$1,405
July
$1,258
August
$998
September
$938
October
$912
November
$964
December
$1,023
Currently, October is the cheapest month in which you can book a flight to Koh Samui. Flying to Koh Samui in June will prove the most costly. There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

When is the best time to fly to Ko Samui Airport?

Average Koh Samui flight ticket prices and weather conditions for 2021 and 2022 by month.
LAS - USM
Price
$912 - $1,831
USM
Temperature
84.2 - 91.4 °F
USM
Precipitation
1.97 - 16.65 inches
The best time to fly to Koh Samui is during March, but great deals can be found at other times. If weather is an important factor for you when considering when to fly to Koh Samui, the warmest period tends to be May, with the wettest being November.

Alternative, similarly priced destinations

See alternative destinations where airfare is generally forecast to be close to Koh Samui flight prices.

Find the best Koh Samui flight deals for you

Cheap tickets to Koh Samui found by our users in USA as recently as September 24, 2021.

Cheapest flights to Thailand

Not set on Koh Samui? See the cheapest flights to United States. Airfare prices updated on September 24, 2021.
Home Flights Asia Thailand Cheap flights to Koh Samui, Thailand