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$968+ 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 15/8. Fares are subject to change and may not be available on all flights or dates of travel.
— USM
10 Jul — 17 Jul1
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 10 June 2026.

Sun 6/920:45
AKL
-
USM
2 stops26h 00m
Multiple Airlines
Tue 15/906:00
USM
-
AKL
2 stops30h 50m
Multiple Airlines
Deal found 7/6$1,659
Wed 22/706:15
AKL
-
USM
3 stops40h 45m
Multiple Airlines
Wed 29/717:25
USM
-
AKL
2 stops17h 45m
Multiple Airlines
Deal found 6/6$1,885
Sun 27/921:45
AKL
-
USM
2 stops29h 05m
Multiple Airlines
Sat 10/1007:50
USM
-
AKL
2 stops29h 00m
Multiple Airlines
Deal found 6/6$1,896
Sat 25/706:15
AKL
-
USM
3 stops37h 35m
Multiple Airlines
Sat 1/809:15
USM
-
AKL
2 stops25h 55m
Multiple Airlines
Deal found 10/6$1,899
Thu 23/706:15
AKL
-
USM
3 stops42h 00m
Multiple Airlines
Thu 30/714:35
USM
-
AKL
2 stops20h 35m
Multiple Airlines
Deal found 8/6$1,913
Sun 26/706:20
AKL
-
USM
2 stops30h 25m
Multiple Airlines
Sun 2/810:05
USM
-
AKL
2 stops25h 05m
Multiple Airlines
Deal found 10/6$1,926
Sat 29/806:45
AKL
-
USM
2 stops19h 05m
Multiple Airlines
Sat 12/915:25
USM
-
AKL
2 stops17h 45m
Multiple Airlines
Deal found 7/6$1,928

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 10 June 2026.

Return from

$1,659

One-way from

$968

Popular in

January

Cheapest in

June

Average price

$1,738
6/9-15/9
  • 6/9-15/9
  • 4 total stops
  • 56h 50m total
  • Auckland to Ko Samui
Search Deals
15/8
  • 15/8
  • 3 total stops
  • 25h 10m total
  • Auckland to Ko Samui
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($386 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($53 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 10 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

Sun 27/9

21:45-20:50

2 stops29h 05m

Ko Samui

Sat 10/10

07:50-18:50

2 stops29h 00m

$1,896

AucklandKo Samui

AKL - USM

AKLUSM

Auckland Intl

Sat 25/7

06:15-14:50

3 stops37h 35m

Ko Samui

Sat 1/8

09:15-16:10

2 stops25h 55m

$1,899

AucklandKo Samui

AKL - USM

AKLUSM

Auckland Intl

Thu 23/7

06:15-19:15

3 stops42h 00m

Ko Samui

Thu 30/7

14:35-16:10

2 stops20h 35m

$1,913
Fastest return journey

AucklandKo Samui

AKL - USM

AKLUSM

Auckland Intl

Sat 29/8

06:45-20:50

2 stops19h 05m

Ko Samui

Sat 12/9

15:25-14:10

2 stops17h 45m

$1,928

AucklandKo Samui

AKL - USM

AKLUSM

Auckland Intl

Tue 3/11

08:20-18:15

2 stops39h 55m

Ko Samui

Sat 7/11

14:05-23:00

2 stops26h 55m

$1,952

AucklandKo Samui

AKL - USM

AKLUSM

Auckland Intl

Mon 31/8

06:10-18:15

2 stops41h 05m

Ko Samui

Thu 3/9

13:30-12:20

2 stops17h 50m

$1,968

AucklandKo Samui

AKL - USM

AKLUSM

Auckland Intl

Sat 29/8

06:10-18:15

2 stops41h 05m

Ko Samui

Sat 12/9

13:30-16:45

2 stops22h 15m

$1,976

AucklandKo Samui

AKL - USM

AKLUSM

Auckland Intl

Sun 26/7

06:20-08:25

3 stops31h 05m

Ko Samui

Sun 2/8

08:45-16:10

2 stops26h 25m

$1,993

AucklandKo Samui

AKL - USM

AKLUSM

Auckland Intl

Tue 3/11

15:15-17:10

1 stop31h 55m

Ko Samui

Sat 7/11

12:00-13:40

2 stops19h 40m

$2,198

AucklandKo Samui

AKL - USM

AKLUSM

Auckland Intl

Mon 31/8

14:10-07:45

1 stop22h 35m

Ko Samui

Thu 3/9

11:05-14:50

2 stops22h 45m

$2,337

Flights are sorted by cheapest return flights first.

Deals found on 8/6

Showing 1-10 of 12 resultsSorted by cheapest first
1
2

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 Qantas Airways and Singapore Airlines.

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 10 June 2026.
Get a feel of what it's like to fly with Singapore Airlines and 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.
Singapore Airlines
8.2
Very Good
1,539 reviews
Check prices

Comfort

8.0

Food

7.8

Overall

8.2

Boarding

8.3

Entertainment

8.1

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
1,539 reviews
Singapore Airlines
8.2
Very Good
1,539 reviews
Check prices

Comfort

8.0

Food

7.8

Overall

8.2

Boarding

8.3

Entertainment

8.1

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
1,046 reviews
Singapore Airlines
8.2
Very Good
1,539 reviews
Check prices

Comfort

8.0

Food

7.8

Overall

8.2

Boarding

8.3

Entertainment

8.1

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, 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, Auckland Intl offers the quickest one-way flight (19 hours 5 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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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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