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$821+ Cheap flights to Ko Samui

— USM
28 Oct — 4 Nov1
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

Tue 10/1120:50 -
3 stops25h 25m
Tue 17/1121:30 -
3 stops39h 40m
Deal found 25/9$1,738
Tue 3/1109:40 -
2 stops28h 05m
Fri 13/1116:30 -
2 stops19h 55m
Deal found 26/9$1,885
Tue 10/1111:20 -
1 stop35h 50m
Tue 17/1118:05 -
1 stop13h 20m
Deal found 25/9$1,948
Wed 28/1007:30 -
2 stops18h 55m
Sun 1/1113:25 -
2 stops28h 40m
Deal found 27/9$1,957
Fri 23/1007:15 -
2 stops31h 00m
Fri 30/1009:40 -
2 stops26h 45m
Deal found 24/9$1,994
Sun 11/1006:10 -
2 stops21h 00m
Sun 25/1013:25 -
2 stops18h 40m
Deal found 28/9$2,050

Find flight deals to Ko Samui

Return from

$1,738

One-way from

$821

Popular in

December

Cheapest in

June

Average price

$2,566
China Airlines
  • China Airlines
  • 10/11-17/11
  • 6 total stops
  • 65h 05m total
  • Auckland to Ko Samui
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23/10-31/12
  • 23/10-31/12
  • 2 total stops
  • 29h 55m total
  • Auckland to Ko Samui
Search Deals
Highest demand for flights based on searches. 23% potential increase in price ($728 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($169 potential savings vs. average return price).
Search Deals
Average for return flights in September 2026
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Cheapflights Fare Finder

 
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 Auckland Intl - USM Ko Samui

AKLUSM

Auckland Intl

Fri 23/10

07:15-07:10

2 stops29h 55m

Ko Samui

Wed 31/12

00:00-05:00

Nonstop0h 00m

$821

AucklandKo Samui

AKL Auckland Intl - USM Ko Samui

AKLUSM

Auckland Intl

Fri 30/10

22:20-20:30

2 stops28h 10m

Ko Samui

Wed 31/12

00:00-05:00

Nonstop0h 00m

$870

AucklandKo Samui

AKL Auckland Intl - USM Ko Samui

AKLUSM

Auckland Intl

Sat 31/10

09:40-14:45

2 stops35h 05m

Ko Samui

Wed 31/12

00:00-05:00

Nonstop0h 00m

$896

AucklandKo Samui

AKL Auckland Intl - USM Ko Samui

AKLUSM

Auckland Intl

Sun 1/11

15:15-17:10

1 stop31h 55m

Ko Samui

Wed 31/12

00:00-05:00

Nonstop0h 00m

$1,018
Fastest return journey

AucklandKo Samui

AKL Auckland Intl - USM Ko Samui

AKLUSM

Auckland Intl

Mon 2/11

15:15-10:55

1 stop25h 40m

Ko Samui

Wed 31/12

00:00-05:00

Nonstop0h 00m

$1,082

AucklandKo Samui

AKL Auckland Intl - USM Ko Samui

AKLUSM

Auckland Intl

Tue 3/11

15:15-10:55

1 stop25h 40m

Ko Samui

Wed 31/12

00:00-05:00

Nonstop0h 00m

$1,082

AucklandKo Samui

AKL Auckland Intl - USM Ko Samui

AKLUSM

Auckland Intl

Fri 30/10

15:15-18:55

1 stop33h 40m

Ko Samui

Wed 31/12

00:00-05:00

Nonstop0h 00m

$1,082

AucklandKo Samui

AKL Auckland Intl - USM Ko Samui

AKLUSM

Auckland Intl

Tue 10/11

20:50-16:15

3 stops25h 25m

Ko Samui

Tue 17/11

21:30-19:10

3 stops39h 40m

$1,738

AucklandKo Samui

AKL Auckland Intl - USM Ko Samui

AKLUSM

Auckland Intl

Tue 10/11

11:20-17:10

1 stop35h 50m

Ko Samui

Tue 17/11

18:05-13:25

1 stop13h 20m

$1,948

AucklandKo Samui

AKL Auckland Intl - USM Ko Samui

AKLUSM

Auckland Intl

Wed 28/10

06:00-20:25

2 stops20h 25m

Ko Samui

Sun 1/11

13:25-00:05

2 stops28h 40m

$1,957

Flights are sorted by cheapest return flights first.

Deals found on 24/9

Showing 1-10 of 11 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

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 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
1,618 reviews
Check prices

Entertainment

8.1

Overall

8.2

Crew

8.7

Food

7.8

Boarding

8.3

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Judith,Sept 2026

SFO - SIN

Great except for giving me a dinner with rice in it that I didn’t order.
Singapore Airlines
8.2
Very Good
1,618 reviews
Singapore Airlines
8.2
Very Good
1,618 reviews
Check prices

Entertainment

8.1

Overall

8.2

Crew

8.7

Food

7.8

Boarding

8.3

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Judith,Sept 2026

SFO - SIN

Great except for giving me a dinner with rice in it that I didn’t order.
Qantas Airways
7.5
Good
1,102 reviews
Singapore Airlines
8.2
Very Good
1,618 reviews
Check prices

Entertainment

8.1

Overall

8.2

Crew

8.7

Food

7.8

Boarding

8.3

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Judith,Sept 2026

SFO - SIN

Great except for giving me a dinner with rice in it that I didn’t order.

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 (18 hours 55 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

Browse thousands of different options on Cheapflights for your next trip

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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?

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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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