How do I get Price Alerts for flights from Cardiff to Ko Samui?

Price Alerts will notify you by email when the price for flights to Ko Samui from Cardiff decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.

How can I save money on flights from Cardiff to Ko Samui with momondo?

Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore” . Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.

How does momondo find its flight prices?

We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

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

Prices for flights from Cardiff Wales Airport to Ko Samui Airport are refreshed on a daily basis.

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

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Cardiff Wales Airport 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 license 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.

£959 Cheap Flights from Cardiff to Ko Samui in 2025/26

1 adult

0 bags

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Find the cheapest flights from Cardiff to Ko Samui

Round-trip

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

10:20 - 21:05CWL-USM

27h 45m2 stops

07:00 - 09:50USM-CWL

33h 50m2 stops

£959KLM

Find Deal

Thu, 20 Nov - Thu, 27 Nov

10:30 - 21:05CWL-USM

27h 35m3 stops

21:10 - 22:00USM-CWL

31h 50m3 stops

£1,136Multiple Airlines

Find Deal

Thu, 20 Nov - Thu, 27 Nov

17:25 - 13:05CWL-USM

36h 40m2 stops

09:20 - 09:50USM-CWL

31h 30m2 stops

£1,226KLM

Find Deal

Tue, 9 Dec - Wed, 7 Jan

17:25 - 21:05CWL-USM

20h 40m2 stops

21:10 - 22:00USM-CWL

31h 50m3 stops

£1,294Multiple Airlines

Find Deal

Thu, 20 Nov - Thu, 27 Nov

KLM flights from Cardiff to Ko Samui

Our best KLM deals on Cardiff to Ko Samui flight tickets

KLM

20 Nov

CWL10:20Cardiff Wales

27h 45m

2 stops

USM21:05Ko Samui

27 Nov

USM07:00Ko Samui

33h 50m

2 stops

CWL09:50Cardiff Wales

£959

Find similar

KLM

9 Dec

CWL17:25Cardiff Wales

36h 40m

2 stops

USM13:05Ko Samui

7 Jan

USM09:20Ko Samui

31h 30m

2 stops

CWL09:50Cardiff Wales

£1,226

Find similar

KLM

11 Oct

CWL17:35Cardiff Wales

37h 10m

2 stops

USM12:45Ko Samui

18 Oct

USM08:00Ko Samui

31h 15m

2 stops

CWL09:15Cardiff Wales

£1,351

Find similar

Fly from

Fly to

Route

Depart

Return

Price

CardiffKo Samui

CWL - USM

CWLUSM

Cardiff Wales

Thu 20/11

10:20-21:05

2 stops27h 45m

Ko Samui

Thu 27/11

07:00-09:50

2 stops33h 50m

£959

CardiffKo Samui

CWL - USM

CWLUSM

Cardiff Wales

Thu 20/11

10:30-21:05

3 stops27h 35m

Ko Samui

Thu 27/11

21:10-22:00

3 stops31h 50m

£1,136

CardiffKo Samui

CWL - USM

CWLUSM

Cardiff Wales

Tue 9/12

17:25-13:05

2 stops36h 40m

Ko Samui

Wed 7/1

09:20-09:50

2 stops31h 30m

£1,226

CardiffKo Samui

CWL - USM

CWLUSM

Cardiff Wales

Thu 20/11

17:25-21:05

2 stops20h 40m

Ko Samui

Thu 27/11

21:10-22:00

3 stops31h 50m

£1,294

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

When to book flights from Cardiff to Ko Samui

Are you open to changing your travel dates? Check out the ideal times to fly from Cardiff to Ko Samui according to our flight data. Find out which month and days have the cheapest flights.

Estimated return price

Cheap Cardiff to Ko Samui (CWL to USM) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Cardiff to Ko Samui

Direct flights	None

There are no direct flights from Cardiff to Ko Samui. There are no popular flight routes from Cardiff to Ko Samui.

Search flight deals

How far is Cardiff Wales to Ko Samui by plane?
There are 6258.2 mi between Cardiff Wales and Ko Samui. A reasonable flight in good conditions will take 20h 40m.
When did momondo last update prices for flights from Cardiff Wales Airport to Ko Samui Airport?
Prices for flights from Cardiff Wales Airport to Ko Samui Airport are refreshed on a daily basis.
How old do you have to be to fly from Cardiff Wales Airport to Ko Samui Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Cardiff Wales Airport 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 license 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.

How do I get Price Alerts for flights from Cardiff to Ko Samui?
Price Alerts will notify you by email when the price for flights to Ko Samui from Cardiff decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.
How can I save money on flights from Cardiff to Ko Samui with momondo?
Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.
How does momondo find its flight prices?
We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

Ko Pha Ngan

Ko Tao

Khanom

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Ko Samui from Cardiff.

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

Yes. All flights to Ko Samui from Cardiff on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Cardiff to Ko Samui?

Once all potential Cardiff to Ko Samui flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Yes. momondo can track prices for Cardiff to Ko Samui flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.