Which airlines fly to Ko Samui?

For flights from Australia to Ko Samui, most momondo users will book with popular airlines such as Scoot, Singapore Airlines, Thai Airways and Qantas Airways. Depending on what airport you fly from, you may have other airlines to choose from.

EVA Air Flights to Ko Samui

The most popular airline for flights to Ko Samui on momondo is EVA Air, which operates 142 flights in this direction every week. Most depart out of Bangkok Suvarnabhumi, with the best deal for EVA Air flights to Ko Samui being $1,165 (return, Brisbane to Ko Samui, momondo searches within the last 72 hours). In 1,236 EVA Air reviews, it is rated 8.4 by momondo users.

Singapore Airlines Flights to Ko Samui

$810 is the best return Singapore Airlines deal to Ko Samui found on momondo in the last few days. The deal departed from Adelaide. Singapore Airlines has 111 flights to Ko Samui most weeks, with prices varying by availability. 1,365 momondo users have reviewed Singapore Airlines, scoring the airline a 8.1/10 on average.

How long does it take to fly to Ko Samui?

If you’re flying from a popular airport in Australia, such as Sydney Kingsford Smith or Melbourne, and flying into Ko Samui, then you can expect flight times to average 14h 25m and 13h 20m, respectively.

$307 Cheap Flights to Ko Samui in 2025

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Find the cheapest flights from Australia to Ko Samui

Round-trip

One-way

Last minute

Cheap return flights

05:35 - 08:00PER-USM

27h 25m1 stop

08:55 - 04:20USM-PER

18h 25m1 stop

$455Scoot

Find Deal

Sat, 1 Nov - Mon, 10 Nov

21:55 - 18:30PER-USM

21h 35m1 stop

08:55 - 04:20USM-PER

18h 25m1 stop

$460Scoot

Find Deal

Mon, 13 Oct - Tue, 28 Oct

05:35 - 18:50PER-USM

14h 15m1 stop

08:55 - 04:20USM-PER

18h 25m1 stop

$463Scoot

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Wed, 29 Oct - Wed, 5 Nov

05:35 - 17:10PER-USM

12h 35m1 stop

18:05 - 04:20USM-PER

9h 15m1 stop

$464Scoot

Find Deal

Tue, 28 Oct - Tue, 4 Nov

05:35 - 17:10PER-USM

12h 35m1 stop

18:15 - 05:50USM-PER

34h 35m2 stops

$576

Find Deal

Tue, 28 Oct - Tue, 4 Nov

05:35 - 08:00PER-USM

27h 25m1 stop

08:15 - 04:20USM-PER

19h 05m2 stops

$577

Find Deal

Mon, 27 Oct - Mon, 3 Nov

09:10 - 17:10BNE-USM

11h 00m1 stop

08:55 - 10:45USM-BNE

22h 50m1 stop

$1,234Singapore Airlines

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Sun, 1 Mar - Sun, 15 Mar

10:35 - 13:05BNE-USM

29h 30m1 stop

13:25 - 05:55USM-BNE

13h 30m1 stop

$1,245Qantas Airways

Find Deal

Mon, 2 Mar - Mon, 16 Mar

05:00 - 20:25BNE-USM

18h 25m2 stops

13:25 - 05:55USM-BNE

13h 30m1 stop

$1,261Qantas Airways

Find Deal

Fri, 7 Nov - Mon, 10 Nov

18:35 - 08:00ADL-USM

16h 55m1 stop

08:55 - 17:20USM-ADL

28h 55m1 stop

$1,282Singapore Airlines

Find Deal

Sun, 8 Feb - Sun, 15 Feb

Fly from

Route

Depart

Return

Price

PerthKo Samui

PER - USM

PERUSM

Perth

Sat 1/11

05:35-08:00

1 stop27h 25m

Ko Samui

Mon 10/11

08:55-04:20

1 stop18h 25m

$455

PerthKo Samui

PER - USM

PERUSM

Perth

Mon 13/10

21:55-18:30

1 stop21h 35m

Ko Samui

Tue 28/10

08:55-04:20

1 stop18h 25m

$460

PerthKo Samui

PER - USM

PERUSM

Perth

Wed 29/10

05:35-18:50

1 stop14h 15m

Ko Samui

Wed 5/11

08:55-04:20

1 stop18h 25m

$463

PerthKo Samui

PER - USM

PERUSM

Perth

Tue 28/10

05:35-17:10

1 stop12h 35m

Ko Samui

Tue 4/11

18:05-04:20

1 stop9h 15m

$464

PerthKo Samui

PER - USM

PERUSM

Perth

Tue 28/10

05:35-17:10

1 stop12h 35m

Ko Samui

Tue 4/11

18:15-05:50

2 stops34h 35m

$576

PerthKo Samui

PER - USM

PERUSM

Perth

Mon 27/10

05:35-08:00

1 stop27h 25m

Ko Samui

Mon 3/11

08:15-04:20

2 stops19h 05m

$577

BrisbaneKo Samui

BNE - USM

BNEUSM

Brisbane

Sun 1/3

09:10-17:10

1 stop11h 00m

Ko Samui

Sun 15/3

08:55-10:45

1 stop22h 50m

$1,234

BrisbaneKo Samui

BNE - USM

BNEUSM

Brisbane

Mon 2/3

10:35-13:05

1 stop29h 30m

Ko Samui

Mon 16/3

13:25-05:55

1 stop13h 30m

$1,245

BrisbaneKo Samui

BNE - USM

BNEUSM

Brisbane

Fri 7/11

05:00-20:25

2 stops18h 25m

Ko Samui

Mon 10/11

13:25-05:55

1 stop13h 30m

$1,261

AdelaideKo Samui

ADL - USM

ADLUSM

Adelaide

Sun 8/2

18:35-08:00

1 stop16h 55m

Ko Samui

Sun 15/2

08:55-17:20

1 stop28h 55m

$1,282

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

Ko Samui flights insights and trends

Explore insights for your Ko Samui flight to craft the best travel plan

Prices

Other information

What is the cheapest month to fly to Ko Samui?

The month of October is, on average, the cheapest month to fly to Ko Samui from Australia, with most prices found around $870. If you aren’t able to travel during the month of October, then book flights to Ko Samui from Australia during August instead. Flights to Ko Samui in August, while not as cheap as those in October, still average around $896.

What is the cheapest day to depart on your flight to Ko Samui?

According to our data, Tuesday is the cheapest day to fly to Ko Samui from Australia. The lowest ticket price found for a Tuesday departure recently was $1,107. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Australia to Ko Samui for around $1,272.

What is the cheapest time of day to depart on your flight to Ko Samui?

Our data shows that the cheapest Australia to Ko Samui flights are usually those with departure times in the evening. Our users have found flights to Ko Samui in the evening for as low as $932. Flights in the morning are often more expensive, with an average ticket price of $1,304.

How far in advance should I book a flight to Ko Samui?

You are more likely to see cheaper flights to Ko Samui from Australia when booking weeks ahead of your departure date. In general, you can expect to find flights to Ko Samui for around $1,087 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ko Samui from Australia for as low as $903 on momondo.

Cheapest flights to Ko Samui

Find the cheapest flights to Ko Samui from your nearest city or airport

Find flights from Sydney to Ko Samui

CHEAPEST MONTH TO FLY TO KO SAMUI FROM SYDNEY	October	20% cheaper	Flying from Sydney to Ko Samui costs on average just $870 in October
MOST EXPENSIVE MONTH TO FLY TO KO SAMUI FROM SYDNEY	December	39% more expensive	It costs about $1,511 for flights to Ko Samui from Sydney in December
MOST POPULAR MONTH TO FLY TO KO SAMUI FROM SYDNEY	December	363% more users visited	More momondo users searched in flights to Ko Samui from Sydney in December than any other month

Cheap Ko Samui flight deals and tips

Summary info about Ko Samui flight prices, duration and airlines

Best One-Way Price	$307
Best Round-Trip Price	$455
Fastest flight time	13h 25m
Popular in	January

The best one-way flight price to Ko Samui from Australia in the last 72 hours is $307 (Perth to Ko Samui).

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The best round-trip flight price to Ko Samui from Australia in the last 72 hours is $455 (Perth to Ko Samui).

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The fastest flight to Ko Samui from Australia takes 13h 25m (Melbourne to Ko Samui).

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January has the highest demand for flights to Ko Samui, with a 11% price increase on average.

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Frequently asked questions about flying to Ko Samui

What is there to do in Ko Samui when it’s raining?

If you are planning a flight to Ko Samui and are looking to avoid the rain, you should avoid traveling during the months of January, May, and October. These months will typically see 5.1 inches or more of rain, meaning that rain is likely. If you do run into rain while in Ko Samui, there are still things to do and ways to enjoy your trip. Shopping centres like Fishermans Village are very popular destinations for those visiting the Ko Samui area. Fishermans Village is a great place to go if you’re looking to spend some time inside.

When is the best time to plan a beach trip to Ko Samui?

The month of February, March, or April is often the best time to visit Ko Samui to go to the beach due to the weather. Chaweng Beach is the most often visited beach in the area. Another popular beach in the area is Lamai Beach.

How far in advance should I book a flight to Ko Samui?

We recommend purchasing flights from Australia to Ko Samui 48 days ahead of your departure date because this is when momondo users tend to see the best flight rates. On average, our users have found flights to Ko Samui for $1,087.

Is there an alternative airport near Ko Samui?

Surat Thani Airport, Nakhon Si Thammarat Airport or Chumphon Airport can be an alternative airport used for travel to Ko Samui.

Is there a cheaper alternative to flying into Ko Samui?

With an average price of $77 per person, Surat Thani Airport is the cheapest airport to fly into when planning your trip to Ko Samui. This price can fluctuate based on where you are flying from. momondo’s Airport-to-Airport Pricing Tool can help users find the best prices.

What is the absolute cheapest flight to Ko Samui?

The best price found on momondo to Ko Samui was $57/pp from Bangkok, which is 49% cheaper than the average flight price to Ko Samui. To find the cheapest price to Ko Samui from your area, use momondo’s Airport-to-Airport Pricing Tool.

When did momondo last update prices for flights to Ko Samui Airport?

Prices for flights to Ko Samui Airport are updated daily.

How many operators does momondo search for flights to Ko Samui Airport?

As of September 2025, there are 6 operators available to choose from for flights to Ko Samui Airport.

How old do you have to be to fly to Ko Samui Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel to Ko Samui Airport.

What documentation or ID do you need to fly to Ko Samui Airport?

The travel and health documents you'll need for your trip to Ko Samui Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at Ko Samui Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Ko Pha Ngan

Ko Tao

Khanom

Why use momondo?

Why should I use momondo to find a flight deal to Ko Samui?

Finding the right flight to Ko Samui is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. These options can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Ko Samui quick and easy, saving you time and money.

Can I find flights to Ko Samui with flexible booking policies on momondo?

All flight searches to Ko Samui on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights to Ko Samui?

Once you have performed a search for flights to Ko Samui, momondo helps you find the right flight by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight to Ko Samui right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Ko Samui flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Ko Samui trip

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Popular Flights to Ko Samui

Melbourne to Ko Samui Flightsfrom $401

Sydney Kingsford Smith to Ko Samui Flightsfrom $373

Perth to Ko Samui Flightsfrom $303

Brisbane to Ko Samui Flightsfrom $626

Adelaide to Ko Samui Flightsfrom $682

Cairns to Ko Samui Flightsfrom $798

$307 Cheap flights to Ko Samui

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight to Ko Samui departing on 15/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names, great deals

Big names, great deals

Filter for what you want

Filter for what you want

Trusted and free

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Ko Samui flights insights and trends

Explore insights for your Ko Samui flight to craft the best travel plan

What is the cheapest month to fly to Ko Samui?

What is the cheapest day to depart on your flight to Ko Samui?

What is the cheapest time of day to depart on your flight to Ko Samui?

Our data shows that the cheapest Australia to Ko Samui flights are usually those with departure times in the evening. Our users have found flights to Ko Samui in the evening for as low as $932. Flights in the morning are often more expensive, with an average ticket price of $1,304.

How far in advance should I book a flight to Ko Samui?

How long does it take to fly to Ko Samui?

If you’re flying from a popular airport in Australia, such as Sydney Kingsford Smith or Melbourne, and flying into Ko Samui, then you can expect flight times to average 14h 25m and 13h 20m, respectively.

Cheapest flights to Ko Samui

Find the cheapest flights to Ko Samui from your nearest city or airport

Cheap Ko Samui flight deals and tips

Summary info about Ko Samui flight prices, duration and airlines

Best One-Way Price

Best Round-Trip Price

Fastest flight time

Popular in

Frequently asked questions about flying to Ko Samui

What is there to do in Ko Samui when it’s raining?

When is the best time to plan a beach trip to Ko Samui?

How far in advance should I book a flight to Ko Samui?

Is there an alternative airport near Ko Samui?

Is there a cheaper alternative to flying into Ko Samui?

What is the absolute cheapest flight to Ko Samui?

When did momondo last update prices for flights to Ko Samui Airport?

How many operators does momondo search for flights to Ko Samui Airport?

How old do you have to be to fly to Ko Samui Airport?

What documentation or ID do you need to fly to Ko Samui Airport?

Travelling to a place near Ko Samui?

Why use momondo?

Why should I use momondo to find a flight deal to Ko Samui?

Can I find flights to Ko Samui with flexible booking policies on momondo?

How can momondo help me find flights to Ko Samui?

I’m not ready to book a flight to Ko Samui right now. Can momondo alert me if prices change?

An easier way to manage your Ko Samui trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Ko Samui

Popular Flights to Ko Samui

Popular routes according to searches in the past day on momondo