Find flights
Airlines
Travel Guide

$894+ 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 3/6. Fares are subject to change and may not be available on all flights or dates of travel.
— USM
25 Jun — 2 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 26 May 2026.

Mon 20/715:30
AKL
-
USM
2 stops32h 20m
Multiple Airlines
Thu 30/711:25
USM
-
AKL
3 stops37h 05m
Multiple Airlines
Deal found 23/5$1,735
Fri 7/806:20
AKL
-
USM
3 stops36h 35m
Multiple Airlines
Fri 21/818:15
USM
-
AKL
2 stops30h 15m
Multiple Airlines
Deal found 21/5$1,771
Thu 29/1006:00
AKL
-
USM
2 stops20h 25m
Qantas Airways
Mon 2/1114:05
USM
-
AKL
2 stops26h 55m
Qantas Airways
Deal found 23/5$1,929
Tue 8/906:00
AKL
-
USM
2 stops20h 35m
Qantas Airways
Thu 10/913:30
USM
-
AKL
2 stops19h 35m
Qantas Airways
Deal found 24/5$1,949
Fri 31/706:00
AKL
-
USM
2 stops19h 30m
Multiple Airlines
Fri 14/814:35
USM
-
AKL
2 stops18h 30m
Multiple Airlines
Deal found 21/5$1,966
Mon 13/706:20
AKL
-
USM
2 stops30h 25m
Multiple Airlines
Sat 25/708:45
USM
-
AKL
2 stops26h 25m
Multiple Airlines
Deal found 22/5$1,973

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 26 May 2026.

Return from

$1,677

One-way from

$894

Popular in

January

Cheapest in

August

Average price

$2,104
5/6-11/6
  • 5/6-11/6
  • 5 total stops
  • 63h 05m total
  • Auckland to Ko Samui
Search Deals
3/6
  • 3/6
  • 2 total stops
  • 30h 55m total
  • Auckland to Ko Samui
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($376 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($52 potential savings vs. average return price).
Search Deals
Average for return flights in May 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 26 May 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

Thu 29/10

06:00-20:25

2 stops20h 25m

Ko Samui

Mon 2/11

14:05-23:00

2 stops26h 55m

$1,929

AucklandKo Samui

AKL - USM

AKLUSM

Auckland Intl

Tue 8/9

06:00-21:35

2 stops20h 35m

Ko Samui

Thu 10/9

13:30-14:05

2 stops19h 35m

$1,949
Fastest return journey

AucklandKo Samui

AKL - USM

AKLUSM

Auckland Intl

Sat 6/6

06:00-20:50

2 stops19h 50m

Ko Samui

Mon 15/6

15:25-14:05

2 stops17h 40m

$2,040

AucklandKo Samui

AKL - USM

AKLUSM

Auckland Intl

Wed 8/7

13:40-18:50

2 stops34h 10m

Ko Samui

Wed 15/7

08:40-22:55

3 stops33h 15m

$2,324

AucklandKo Samui

AKL - USM

AKLUSM

Auckland Intl

Tue 8/9

14:10-07:45

1 stop22h 35m

Ko Samui

Thu 10/9

11:05-08:25

1 stop16h 20m

$2,401

AucklandKo Samui

AKL - USM

AKLUSM

Auckland Intl

Mon 20/7

23:55-18:50

1 stop23h 55m

Ko Samui

Thu 30/7

18:15-22:15

1 stop23h 00m

$2,416

AucklandKo Samui

AKL - USM

AKLUSM

Auckland Intl

Tue 8/9

19:30-13:45

3 stops23h 15m

Ko Samui

Thu 10/9

10:05-18:00

3 stops26h 55m

$2,464

AucklandKo Samui

AKL - USM

AKLUSM

Auckland Intl

Fri 7/8

10:10-07:45

1 stop26h 35m

Ko Samui

Fri 21/8

19:45-05:30

2 stops28h 45m

$2,472

AucklandKo Samui

AKL - USM

AKLUSM

Auckland Intl

Wed 28/10

01:15-17:10

1 stop21h 55m

Ko Samui

Mon 2/11

12:00-09:35

1 stop15h 35m

$2,550
Cheapest one-way
Fastest single journey

AucklandKo Samui

AKL - USM

AKLUSM

Auckland Intl

Wed 3/6

06:20-08:15

2 stops30h 55m

$894

Flights are sorted by cheapest return flights first.

Deals found on 23/5

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 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 26 May 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
1,522 reviews
Check prices

Food

7.8

Crew

8.6

Overall

8.2

Comfort

8.0

Entertainment

8.0

Boarding

8.3

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
1,522 reviews
Singapore Airlines
8.2
Very Good
1,522 reviews
Check prices

Food

7.8

Crew

8.6

Overall

8.2

Comfort

8.0

Entertainment

8.0

Boarding

8.3

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
1,042 reviews
Singapore Airlines
8.2
Very Good
1,522 reviews
Check prices

Food

7.8

Crew

8.6

Overall

8.2

Comfort

8.0

Entertainment

8.0

Boarding

8.3

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.

  • 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 $227, while return flights cost around $322.

  • 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Find the best flight deals to Ko Samui

Some of the lowest fares we’ve come across for flights to Ko Samui.
Flights from Suvarnabhumi to Ko Samui

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.