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$578+ Cheap flights to Ko Samui

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/8. Fares are subject to change and may not be available on all flights or dates of travel.
— USM
19 Jul — 26 Jul1
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 14 July 2025.

Return from

$1,338

One-way from

$578

Popular in

January

Cheapest in

October

Average price

$2,224
28/8-4/9
  • 28/8-4/9
  • 4 total stops
  • 53h 40m total
  • Auckland to Ko Samui
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11/8
  • 11/8
  • 2 total stops
  • 39h 30m total
  • Auckland to Ko Samui
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($318 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($81 potential savings vs. average return price).
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Average for return flights in July 2025
Search Deals

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 14 July 2025.

Wed 8/1008:30AKL - USM
2 stops29h 20mMultiple Airlines
Wed 22/1017:40USM - AKL
2 stops29h 50mMultiple Airlines
Deal found 12/7$1,400
Fri 5/919:30AKL - USM
3 stops30h 20mChina Airlines
Wed 17/908:45USM - AKL
3 stops28h 15mChina Airlines
Deal found 13/7$1,596
Tue 16/906:45AKL - USM
2 stops18h 45mQantas Airways
Wed 1/1013:30USM - AKL
2 stops30h 05mQantas Airways
Deal found 12/7$1,989
Tue 26/800:25AKL - USM
2 stops22h 35mMalaysia Airlines
Wed 3/911:25USM - AKL
2 stops19h 00mMalaysia Airlines
Deal found 13/7$2,197

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 14 July 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

Wed 8/10

08:30-07:50

2 stops29h 20m

Ko Samui

Wed 22/10

17:40-05:30

2 stops29h 50m

$1,400

AucklandKo Samui

AKL - USM

AKLUSM

Auckland Intl

Fri 5/9

19:30-20:50

3 stops30h 20m

Ko Samui

Wed 17/9

08:45-18:00

3 stops28h 15m

$1,596

AucklandKo Samui

AKL - USM

AKLUSM

Auckland Intl

Tue 16/9

06:45-20:30

2 stops18h 45m

Ko Samui

Wed 1/10

13:30-01:35

2 stops30h 05m

$1,989

AucklandKo Samui

AKL - USM

AKLUSM

Auckland Intl

Tue 26/8

00:25-18:00

2 stops22h 35m

Ko Samui

Wed 3/9

11:25-11:25

2 stops19h 00m

$2,197

Flights are sorted by cheapest return flights first.

Deals found on 12/7

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 18 hours 20 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, Qantas Airways and British Airways.

Singapore Airlines
Singapore Airlines
From $840
Qantas Airways
Qantas Airways
From $1,001
British Airways
British Airways
From $1,023

What are the cheapest airlines that fly to Ko Samui?

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

Reviews of airlines servicing Ko Samui

Get insights into the airlines that provide service to Ko Samui. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ko Samui. Reviews last updated 14 July 2025.
Get a feel of what it's like to fly with China Airlines, Singapore Airlines, andQantas Airways to Thailand by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
China Airlines
8.3
Very Good
744 reviews
Check prices

Comfort

8.0

Entertainment

8.0

Boarding

8.3

Food

7.8

Crew

8.5

Overall

8.3

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2025

YVR - TPE

I like the system, but the problem is the food , thre is no option, as a chef i don't recommend the food is worst we keep our hungry until taipe from vancouver
China Airlines
8.3
Very Good
744 reviews
China Airlines
8.3
Very Good
744 reviews
Check prices

Comfort

8.0

Entertainment

8.0

Boarding

8.3

Food

7.8

Crew

8.5

Overall

8.3

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2025

YVR - TPE

I like the system, but the problem is the food , thre is no option, as a chef i don't recommend the food is worst we keep our hungry until taipe from vancouver
Singapore Airlines
8.1
Very Good
1,326 reviews
China Airlines
8.3
Very Good
744 reviews
Check prices

Comfort

8.0

Entertainment

8.0

Boarding

8.3

Food

7.8

Crew

8.5

Overall

8.3

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2025

YVR - TPE

I like the system, but the problem is the food , thre is no option, as a chef i don't recommend the food is worst we keep our hungry until taipe from vancouver
Qantas Airways
7.5
Good
877 reviews
China Airlines
8.3
Very Good
744 reviews
Check prices

Comfort

8.0

Entertainment

8.0

Boarding

8.3

Food

7.8

Crew

8.5

Overall

8.3

Reviews

1 / 20
6.0
Good

Anonymous,Apr 2025

YVR - TPE

I like the system, but the problem is the food , thre is no option, as a chef i don't recommend the food is worst we keep our hungry until taipe from vancouver

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 $115, while return flights cost around $113.

  • 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 (18 hours 20 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 Tao
Ko Pha Ngan

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