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$1,517+ Cheap flights to Ko Samui

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 22/8. Fares are subject to change and may not be available on all flights or dates of travel.
— USM
25 Apr — 2 May1
1 adult

Flights to Ko Samui in 2025

Find the latest flights to Ko Samui in 2025, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 134,765 searches and data was last updated on 20 April 2025.

Popular in

December

Cheapest in

August

Average price

$2,029
Highest demand for flights based on searches. 8% potential increase in price ($307 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease ($100 potential savings vs. average return price).
Search Deals
Average for return flights in April 2025
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Find flight deals to Ko Samui

Cheapest flights to Ko Samui
Explore the most affordable flight options available to Ko Samui. Find the lowest fares based on data from user searches, with prices last updated on 20 April 2025.

Fri 22/820:45AKL - USM
2 stops29h 05mMultiple Airlines
Sat 6/907:00USM - AKL
2 stops30h 10mMultiple Airlines
Deal found 19/4$1,517
Thu 21/807:30AKL - USM
2 stops18h 40mQantas Airways
Sun 7/916:25USM - AKL
2 stops16h 45mQantas Airways
Deal found 19/4$1,832
Sat 20/919:30AKL - USM
3 stops25h 15mChina Airlines
Sat 4/1009:15USM - AKL
3 stops27h 45mChina Airlines
Deal found 19/4$1,958
Sun 24/814:10AKL - USM
1 stop22h 40mSingapore Airlines
Sat 6/912:05USM - AKL
1 stop19h 15mSingapore Airlines
Deal found 19/4$2,113
Wed 20/813:00AKL - USM
2 stops23h 35mMalaysia Airlines
Sun 7/908:45USM - AKL
2 stops21h 40mMalaysia Airlines
Deal found 19/4$2,224

Cheapflights Fare Finder

Locate flights to Ko Samui that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 134,765 searches and data was last updated on 20 April 2025.
Use the filters below to find and compare flights to Ko Samui that are best for you.

Fly from

Auckland

Route

Departure

Return

Price

AucklandKo Samui

AKL - USM

AKLUSM

Auckland Intl

Fri 22/8

20:45-20:50

2 stops29h 05m

Ko Samui

Sat 6/9

07:00-18:10

2 stops30h 10m

$1,517

AucklandKo Samui

AKL - USM

AKLUSM

Auckland Intl

Fri 22/8

19:30-08:15

3 stops41h 45m

Ko Samui

Sun 7/9

21:00-18:00

3 stops40h 00m

$1,679

AucklandKo Samui

AKL - USM

AKLUSM

Auckland Intl

Thu 21/8

07:30-21:10

2 stops18h 40m

Ko Samui

Sun 7/9

16:25-14:10

2 stops16h 45m

$1,832

AucklandKo Samui

AKL - USM

AKLUSM

Auckland Intl

Sun 24/8

14:10-07:50

1 stop22h 40m

Ko Samui

Sun 7/9

08:45-12:20

1 stop22h 35m

$2,113

AucklandKo Samui

AKL - USM

AKLUSM

Auckland Intl

Wed 20/8

13:00-07:35

2 stops23h 35m

Ko Samui

Sun 7/9

08:45-11:25

2 stops21h 40m

$2,224

Flights are sorted by cheapest return flights first.

Deals found on 19/4

Best time to book a flight to Ko Samui

Have a flexible travel schedule? Discover the best time to fly to Ko Samui with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight to Ko Samui

How long is the flight to Ko Samui?

On average, a flight from Auckland to Ko Samui takes 20 hours 10 minutes. Flights to Ko Samui from other popular cities in New Zealand will vary in length. Below are a few examples of popular routes and their flight times.

What are the most popular airlines that fly to Ko Samui?

The most popular airlines flying from Auckland to Ko Samui are Singapore Airlines and Qantas Airways.

Singapore Airlines

Singapore Airlines

From $840

Qantas Airways

Qantas Airways

From $1,003

What are the cheapest airlines that fly to Ko Samui?

The cheapest airlines flying from Auckland to Ko Samui are Singapore Airlines and Qantas Airways.

Rainfall in Ko Samui by month

Plan your trip to Ko Samui by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Ko Samui ranges from 58.0 - 490.0 mm per month. November is typically the wettest month, when rainfall can reach 490.0 mm. February is typically the driest time to visit Ko Samui when rainfall is around 58.0 mm.

Temperature in Ko Samui by month

Plan your trip to Ko Samui by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Ko Samui, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 29.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 27.0 C).

FAQs about flying to Ko Samui

  • What airport do you fly into for flights to Ko Samui?

    Most people fly into Ko Samui (USM) if they book a flight to Ko Samui. Ko Samui is conveniently located just 3.3 km from Ko Samui’s city centre.

  • Can I find cheaper flights to Ko Samui if I am willing to have stopovers?

    Yes, flights with stopovers are often cheaper than direct flights. Keep an eye out for flight deals to Ko Samui on Cheapflights that require 1 or 2 stops for potential cost savings.

  • What is the best airline to fly to Ko Samui?

    Based on reviews from Cheapflights users, Singapore Airlines is rated the highest out of the airlines that fly to Ko Samui.

  • What is the cheapest airport to fly to in Ko Samui?

    Ko Samui is currently the cheapest airport to fly to in Ko Samui. One-way flights to Ko Samui typically cost $109, while return flights cost around $321.

  • How much is a return flight to Ko Samui?

    A return flight to Ko Samui will typically cost around $215, however they can be found for as little as $191.

  • Where does the fastest flight to Ko Samui depart from?

    For those looking to save time traveling to Ko Samui, Auckland Intl offers the quickest one-way flight (20 hours 10 minutes).

  • Does Ko Samui have rental cars?

    Yes. Those touching down at Ko Samui can take advantage of the car hire services offered upon their arrival.

  • Are there hotels close to Ko Samui?

    Yes. Ko Samui has hotels nearby for those requiring accommodations. Diamond Pool Villa Samui is the closest property to Ko Samui (0.0 km away from Ko Samui).

See more FAQs

Travelling to a place near Ko Samui?

Book flights to Ko Samui if you plan to visit one of these locations
Ko Pha Ngan
Ko Tao

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How does Cheapflights help users find flights to Ko Samui?

Deals for Ko Samui flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose to your preference, such as price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets to Ko Samui?

Cheapflights helps you find that perfect flight to Ko Samui by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights to Ko Samui with no change fees?

Certainly. Search results for flights to Ko Samui shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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