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$1,808+ 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 1/8. Fares are subject to change and may not be available on all flights or dates of travel.
— USM
29 Jul — 5 Aug1
1 adult
1 adult, Economy, 0 bags

Flights to Ko Samui in 2026

Enter your travel dates to find the best prices.

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 29 June 2026.

Sat 1/806:15
AKL
-
USM
2 stops30h 30m
Multiple Airlines
Mon 31/808:40
USM
-
AKL
2 stops33h 35m
Multiple Airlines
Deal found 27/6$1,808
Sat 8/806:15
AKL
-
USM
3 stops36h 40m
Multiple Airlines
Sat 15/810:00
USM
-
AKL
2 stops25h 10m
Multiple Airlines
Deal found 24/6$1,865
Mon 3/806:10
AKL
-
USM
2 stops30h 35m
Multiple Airlines
Sun 9/812:10
USM
-
AKL
3 stops36h 20m
Multiple Airlines
Deal found 24/6$1,906
Tue 4/806:00
AKL
-
USM
3 stops37h 40m
Multiple Airlines
Thu 13/809:15
USM
-
AKL
3 stops39h 15m
Multiple Airlines
Deal found 24/6$1,916
Mon 2/1106:00
AKL
-
USM
2 stops20h 25m
Qantas Airways
Wed 4/1113:45
USM
-
AKL
2 stops27h 15m
Qantas Airways
Deal found 27/6$1,938
Wed 5/806:15
AKL
-
USM
3 stops42h 00m
Multiple Airlines
Wed 12/817:05
USM
-
AKL
2 stops18h 05m
Multiple Airlines
Deal found 24/6$1,952

Find flight deals to Ko Samui

Find the latest flights to Ko Samui in 2026, 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 29 June 2026.

Return from

$1,808

One-way from

$5,705

Popular in

January

Cheapest in

June

Average price

$1,794
1/8-31/8
  • 1/8-31/8
  • 4 total stops
  • 64h 05m total
  • Auckland to Ko Samui
Search Deals
4/7
  • 4/7
  • 2 total stops
  • 29h 10m total
  • Auckland to Ko Samui
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($383 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($58 potential savings vs. average return price).
Search Deals
Average for return flights in June 2026
Search Deals

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 29 June 2026.
Use the filters below to find and compare flights to Ko Samui that are best for you.

Fly from

Route

Departure

Return

Price

Cheapest return flight

AucklandKo Samui

AKL - USM

AKLUSM

Auckland Intl

Sat 8/8

06:15-13:55

3 stops36h 40m

Ko Samui

Sat 15/8

12:30-16:10

3 stops22h 40m

$1,911

AucklandKo Samui

AKL - USM

AKLUSM

Auckland Intl

Tue 4/8

06:00-14:40

3 stops37h 40m

Ko Samui

Thu 13/8

09:15-05:30

3 stops39h 15m

$1,916

AucklandKo Samui

AKL - USM

AKLUSM

Auckland Intl

Mon 2/11

06:00-20:25

2 stops20h 25m

Ko Samui

Wed 4/11

13:45-23:00

2 stops27h 15m

$1,938
Fastest return journey

AucklandKo Samui

AKL - USM

AKLUSM

Auckland Intl

Mon 24/8

06:45-20:50

2 stops19h 05m

Ko Samui

Mon 14/9

15:25-14:05

2 stops17h 40m

$1,938

AucklandKo Samui

AKL - USM

AKLUSM

Auckland Intl

Wed 5/8

06:15-19:15

3 stops42h 00m

Ko Samui

Wed 12/8

17:25-20:20

3 stops21h 55m

$2,058

AucklandKo Samui

AKL - USM

AKLUSM

Auckland Intl

Mon 2/11

15:15-17:10

1 stop31h 55m

Ko Samui

Wed 4/11

08:55-15:35

1 stop24h 40m

$2,200
Cheapest one-way

AucklandKo Samui

AKL - USM

AKLUSM

Auckland Intl

Sat 4/7

21:00-21:10

2 stops29h 10m

$5,705
Fastest single journey

AucklandKo Samui

AKL - USM

AKLUSM

Auckland Intl

Sat 4/7

14:10-07:45

1 stop22h 35m

$5,724

AucklandKo Samui

AKL - USM

AKLUSM

Auckland Intl

Sat 4/7

19:30-07:30

3 stops41h 00m

$7,139

Flights are sorted by cheapest return flights first.

Deals found on 28/6

Sorted by cheapest first

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

What are the cheapest airlines that fly to Ko Samui?

The cheapest airline flying from Auckland to Ko Samui is Qantas Airways.

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 29 June 2026.
Get a feel of what it's like to fly with Qantas 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.
Qantas Airways
7.5
Good
1,054 reviews
Check prices

Boarding

7.7

Comfort

7.4

Crew

8.1

Overall

7.5

Entertainment

7.2

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Midhat,Apr 2026

AKL - ADL

Poor as usual. Flight was delayed for more than 4 hours. The Staff was rude. Food was terrible. Very unreliable, unprofessional and unpleasant.
Qantas Airways
7.5
Good
1,054 reviews
Qantas Airways
7.5
Good
1,054 reviews
Check prices

Boarding

7.7

Comfort

7.4

Crew

8.1

Overall

7.5

Entertainment

7.2

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Midhat,Apr 2026

AKL - ADL

Poor as usual. Flight was delayed for more than 4 hours. The Staff was rude. Food was terrible. Very unreliable, unprofessional and unpleasant.

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, Qantas Airways is rated the highest out of the airlines that fly to Ko Samui.

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

    For those looking to save time traveling to Ko Samui, Wellington offers the quickest one-way flight (20 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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First Class flights to Ko Samui
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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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.

Can Cheapflights notify me if prices for flights to Ko Samui become cheaper?

Yes! Start tracking prices for Ko Samui flights today and get alerted when prices change. To subscribe and begin receiving alerts, click the bell icon next to the flight deals above and provide your email address.

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