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$832+ 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 15/9. Fares are subject to change and may not be available on all flights or dates of travel.
— USM
13 Jun — 20 Jun1
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 14 May 2026.

Fri 24/715:40
AKL
-
USM
2 stops32h 10m
Multiple Airlines
Sun 2/812:30
USM
-
AKL
3 stops36h 00m
Multiple Airlines
Deal found 11/5$1,677
Thu 4/606:10
AKL
-
USM
3 stops40h 50m
Multiple Airlines
Sat 13/608:45
USM
-
AKL
2 stops26h 25m
Multiple Airlines
Deal found 12/5$1,750
Mon 16/1106:00
AKL
-
USM
2 stops20h 25m
Qantas Airways
Thu 19/1113:45
USM
-
AKL
2 stops27h 15m
Qantas Airways
Deal found 12/5$1,940

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 14 May 2026.

Return from

$1,677

One-way from

$1,036

Popular in

January

Cheapest in

August

Average price

$2,081
24/7-2/8
  • 24/7-2/8
  • 5 total stops
  • 68h 10m total
  • Auckland to Ko Samui
Search Deals
1/7
  • 1/7
  • 3 total stops
  • 31h 20m 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 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 14 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

Fri 24/7

15:40-18:50

2 stops32h 10m

Ko Samui

Sun 2/8

12:30-05:30

3 stops36h 00m

$1,677

AucklandKo Samui

AKL - USM

AKLUSM

Auckland Intl

Thu 4/6

06:10-18:00

3 stops40h 50m

Ko Samui

Sat 13/6

08:45-16:10

2 stops26h 25m

$1,750
Fastest return journey

AucklandKo Samui

AKL - USM

AKLUSM

Auckland Intl

Sat 27/6

17:45-20:30

3 stops31h 45m

Ko Samui

Sat 4/7

19:45-05:30

2 stops28h 45m

$2,324
Cheapest one-way

AucklandKo Samui

AKL - USM

AKLUSM

Auckland Intl

Tue 15/9

07:00-20:25

3 stops42h 25m

$832
Fastest single journey

AucklandKo Samui

AKL - USM

AKLUSM

Auckland Intl

Wed 1/7

15:40-18:00

3 stops31h 20m

$1,036

AucklandKo Samui

AKL - USM

AKLUSM

Auckland Intl

Tue 30/6

15:40-18:50

3 stops32h 10m

$1,051

Flights are sorted by cheapest return flights first.

Deals found on 11/5

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, British 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 14 May 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
1,513 reviews
Check prices

Boarding

8.3

Crew

8.6

Comfort

8.0

Entertainment

8.0

Overall

8.2

Food

7.8

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
1,513 reviews
Singapore Airlines
8.2
Very Good
1,513 reviews
Check prices

Boarding

8.3

Crew

8.6

Comfort

8.0

Entertainment

8.0

Overall

8.2

Food

7.8

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
1,037 reviews
Singapore Airlines
8.2
Very Good
1,513 reviews
Check prices

Boarding

8.3

Crew

8.6

Comfort

8.0

Entertainment

8.0

Overall

8.2

Food

7.8

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
7,979 reviews
Singapore Airlines
8.2
Very Good
1,513 reviews
Check prices

Boarding

8.3

Crew

8.6

Comfort

8.0

Entertainment

8.0

Overall

8.2

Food

7.8

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 $190, while return flights cost around $318.

  • 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 (20 hours 25 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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Flights from Suvarnabhumi to Ko Samui

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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?

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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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