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$1,596+ 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 14/5. Fares are subject to change and may not be available on all flights or dates of travel.
— USM
29 Apr — 6 May1
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 30 March 2026.

Thu 14/520:40
AKL
-
USM
3 stops40h 05m
Multiple Airlines
Thu 21/508:40
USM
-
AKL
2 stops33h 35m
Multiple Airlines
Deal found 30/3$1,596
Mon 1/606:20
AKL
-
USM
2 stops31h 15m
Multiple Airlines
Tue 9/608:40
USM
-
AKL
3 stops30h 40m
Multiple Airlines
Deal found 29/3$1,636
Sun 10/506:20
AKL
-
USM
2 stops29h 50m
Multiple Airlines
Sun 17/515:25
USM
-
AKL
3 stops23h 55m
Multiple Airlines
Deal found 26/3$1,655
Tue 12/506:00
AKL
-
USM
2 stops30h 45m
Multiple Airlines
Tue 19/510:05
USM
-
AKL
2 stops25h 05m
Multiple Airlines
Deal found 28/3$1,657
Wed 6/520:40
AKL
-
USM
3 stops27h 10m
Multiple Airlines
Sat 16/519:45
USM
-
AKL
2 stops28h 45m
Multiple Airlines
Deal found 29/3$1,665

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 30 March 2026.

Return from

$1,596

Popular in

April

Cheapest in

May

Average price

$2,313
14/5-21/5
  • 14/5-21/5
  • 5 total stops
  • 73h 40m total
  • Auckland to Ko Samui
Search Deals
Highest demand for flights based on searches. 0% potential increase in price ($11 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($41 potential savings vs. average return price).
Search Deals
Average for return flights in March 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 30 March 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

Mon 1/6

20:40-20:25

3 stops28h 45m

Ko Samui

Tue 9/6

08:40-21:50

3 stops32h 10m

$1,617

AucklandKo Samui

AKL - USM

AKLUSM

Auckland Intl

Sun 10/5

06:20-07:10

2 stops29h 50m

Ko Samui

Sun 17/5

15:25-20:20

3 stops23h 55m

$1,655

AucklandKo Samui

AKL - USM

AKLUSM

Auckland Intl

Wed 6/5

20:40-18:50

3 stops27h 10m

Ko Samui

Sat 16/5

11:25-05:30

3 stops37h 05m

$1,672

AucklandKo Samui

AKL - USM

AKLUSM

Auckland Intl

Tue 12/5

06:00-07:45

2 stops30h 45m

Ko Samui

Tue 19/5

12:30-16:10

3 stops22h 40m

$1,697

AucklandKo Samui

AKL - USM

AKLUSM

Auckland Intl

Sun 10/5

06:00-21:35

2 stops20h 35m

Ko Samui

Sun 17/5

13:30-00:10

2 stops29h 40m

$1,846
Fastest return journey

AucklandKo Samui

AKL - USM

AKLUSM

Auckland Intl

Thu 3/9

06:45-21:35

2 stops19h 50m

Ko Samui

Mon 7/9

13:30-14:10

2 stops19h 40m

$1,878

AucklandKo Samui

AKL - USM

AKLUSM

Auckland Intl

Thu 21/5

06:00-21:35

2 stops20h 35m

Ko Samui

Sun 24/5

13:30-19:10

2 stops24h 40m

$1,897

AucklandKo Samui

AKL - USM

AKLUSM

Auckland Intl

Thu 3/9

19:30-18:30

3 stops28h 00m

Ko Samui

Mon 7/9

06:00-18:00

3 stops31h 00m

$1,953

Flights are sorted by cheapest return flights first.

Deals found on 29/3

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 airlines flying from Auckland to Ko Samui are Singapore Airlines, Qantas Airways and British 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 30 March 2026.
Get a feel of what it's like to fly with Singapore Airlines,Qantas Airways, andBritish 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.
Singapore Airlines
8.2
Very Good
1,484 reviews
Check prices

Entertainment

8.0

Food

7.8

Boarding

8.3

Comfort

8.0

Overall

8.2

Crew

8.6

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2026

SAI - SIN

The only issue we had was seat selection. Was not easy to change, after they assigned seats. Also, the premium economy seats, are nothing special.. All and all safe flight with minor back issues.
Singapore Airlines
8.2
Very Good
1,484 reviews
Singapore Airlines
8.2
Very Good
1,484 reviews
Check prices

Entertainment

8.0

Food

7.8

Boarding

8.3

Comfort

8.0

Overall

8.2

Crew

8.6

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2026

SAI - SIN

The only issue we had was seat selection. Was not easy to change, after they assigned seats. Also, the premium economy seats, are nothing special.. All and all safe flight with minor back issues.
Qantas Airways
7.5
Good
1,016 reviews
Singapore Airlines
8.2
Very Good
1,484 reviews
Check prices

Entertainment

8.0

Food

7.8

Boarding

8.3

Comfort

8.0

Overall

8.2

Crew

8.6

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2026

SAI - SIN

The only issue we had was seat selection. Was not easy to change, after they assigned seats. Also, the premium economy seats, are nothing special.. All and all safe flight with minor back issues.
British Airways
6.7
Okay
7,838 reviews
Singapore Airlines
8.2
Very Good
1,484 reviews
Check prices

Entertainment

8.0

Food

7.8

Boarding

8.3

Comfort

8.0

Overall

8.2

Crew

8.6

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2026

SAI - SIN

The only issue we had was seat selection. Was not easy to change, after they assigned seats. Also, the premium economy seats, are nothing special.. All and all safe flight with minor back issues.

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.

  • 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 (19 hours 50 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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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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