Prices are in New Zealand Dollars.

Cheap Flights to Koh Samui

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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.
Popular inDecemberHigh demand for flights, 25% potential price rise
Cheapest inFebruaryBest time to find cheap flights, 6% potential price drop
Average price$1,216Average for round-trip flights in September 2021
Round-trip from$3,892From Auckland Intl to Koh Samui
One-way from$14One-way flight from Auckland Intl (AKL) 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.
March
$1,102
April
$1,272
May
$1,123
June
$1,098
July
$1,215
August
$1,126
September
$1,143
October
$967
At the present moment the cheapest month to fly to Koh Samui is currently ; with April being the most expensive. Prices will vary depending on multiple factors such as booking in advance, airline and departure airports and times.

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.
AKL - USM
Price
$967 - $2,114
USM
Temperature
29 - 33 °C
USM
Precipitation
50 - 423 mm
The best time to fly to Koh Samui is during March, but great deals can be found at other times. May sees the temperatures in Koh Samui peak to their warmest. November tends, on average, to see the most amount of rainfall.

When is the best time to book a flight to Koh Samui?

To ensure you get the cheapest price possible for a flight to Koh Samui, you should look to book at least 49 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

Which day is cheapest to fly to Koh Samui?

Monday is currently, on average, the cheapest day to fly to Koh Samui. Flying on Thursday will result in higher flight prices.

What time of day is cheapest to fly to Koh Samui?

At the moment, flights in the evening are likely to offer the best value for money for your Koh Samui trip. A flight in the afternoon will more often than not be of higher cost.

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 New Zealand as recently as September 17, 2021.
Other local departures to Koh Samui from New Zealand

Cheapest flights to Thailand

Not set on Koh Samui? See the cheapest flights to New Zealand. Airfare prices updated on September 17, 2021.
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