Prices are in New Zealand Dollars.

Cheap Flights to Koh Samui

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Koh Samui (USM)
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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$1,179Average for round-trip flights in June 2021
Round-trip from$2,672From Auckland Intl to Koh Samui

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
$1,523
February
$1,057
March
$1,095
April
$1,264
May
$1,115
June
$1,090
July
$1,207
August
$1,118
September
$1,135
October
$960
November
$1,141
December
$1,617
Currently, October is the cheapest month in which you can book a flight to Koh Samui. Flying to Koh Samui in December 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 Koh Samui?

Average Koh Samui flight ticket prices and weather conditions for 2021 and 2022 by month.
AKL - USM
Price
$960 - $2,100
USM
Temperature
29 - 33 °C
USM
Rainfall
50 - 423 mm
Flying to Koh Samui in October is usually considered the best time to fly. However, you will find other deals are always available year round. 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?

The price you pay for your flight to Koh Samui may vary depending on when you book. For the best chance of a lower fare, look to book 49 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Which day is cheapest to fly to Koh Samui?

The cheapest day to fly to Koh Samui is usually Monday. At the moment, Thursday is the most expensive.

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

Koh Samui flights can be made cheaper if you choose a flight in the evening. Booking a flight in the afternoon will likely mean higher prices.

Cheap flights to Koh Samui in June, July 2021

The best prices found for USM flights for June, July
30 Jul - 6 Aug
$2,672pp
AKL
Auckland Intl
Multiple airlines
     
3 STOPS
USM
Koh Samui
USM
Koh Samui
Multiple Airlines
     
3 STOPS
AKL
Auckland Intl
30 Jul - 6 Aug
$3,710pp
AKL
Auckland Intl
Multiple airlines
     
3 STOPS
USM
Koh Samui
USM
Koh Samui
Multiple Airlines
   
2 STOPS
AKL
Auckland Intl

Koh Samui 2021 flight deals

Cheap flights to Koh Samui found for this year
30 Jul - 6 Aug
$2,672pp
AKL
Auckland Intl
Multiple airlines
     
3 STOPS
USM
Koh Samui
USM
Koh Samui
Multiple Airlines
     
3 STOPS
AKL
Auckland Intl
30 Jul - 6 Aug
$3,710pp
AKL
Auckland Intl
Multiple airlines
     
3 STOPS
USM
Koh Samui
USM
Koh Samui
Multiple Airlines
   
2 STOPS
AKL
Auckland Intl

Alternative, similarly priced destinations

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

Find the best prices for you!

Cheap tickets to Koh Samui found by our users in New Zealand as recently as June 15, 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 June 15, 2021.
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