Cheap Flights from Cardiff to Samui International

Travellers and cabin class

Compare Cardiff to Samui International flight deals

Find the cheapest month or even day of the year to fly to Samui International

Book the best Samui International fare with no extra fees

Flight deals from Cardiff to Samui International

Looking for a cheap last-minute deal or the best return flight from Cardiff to Samui International? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Cardiff to Samui International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Cardiff to Samui International flights are currently cheapest in June.

Cardiff to Samui International: Alternative routes

Compare routes from Cardiff to Koh Samui below. You may find an airport to fly into that's cheaper, faster, or easier than Samui International.

Cardiff to Koh Samui: Flight information

The things to know before you go.
Cheapest flight foundRs235,026
Cheapest month to flyJune

Finding cheap flights from Cardiff to Samui International: Frequently asked questions

The best price we found for a return flight from Cardiff to Samui International is Rs934,250. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Cardiff to Samui International. But we found flights with one or more stops from Rs934,250.
As of May 2025, there are no flights flying from Cardiff to Samui International.
The cheapest month to fly from Cardiff to Samui International is usually May 2025.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Cardiff Airport to Samui International Airport on Sunday, 20 July 2025.
No airlines currently offer direct flights between Cardiff Airport and Samui International Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Samui International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Koh Samui is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, KLM offers the cheapest flight tickets to Samui International.

Flying from Cardiff Airport (CWL) to Koh Samui Airport (USM): what you need to know

  • Leave enough time to make your CWL to USM flight. It's generally best to arrive two hours before international departures and an hour ahead for domestic flights.

  • Travelling during a peak month such as June? School holidays and other popular periods can mean longer lines and delays at check-in and security. Play things extra safe and get there up to four hours before international flights and two hours before domestic departures.

How to find the cheapest flights from Cardiff Airport (CWL) to Koh Samui Airport (USM)

  • Currently, Rs235,026 is the cheapest price we've found for a one-way Cardiff Airport to Koh Samui Airport flight. The best price for a return plane ticket is Rs934,250. Remember that fares can change due to availability when booking.

  • To find cheap tickets from CWL to USM, book ahead. Airlines tend to offer their best fares when flights are first released.

  • Finding cheap flights from Cardiff Airport to Koh Samui Airport is more likely if you can be flexible with your travel plans. Use the 'Whole month' tool to see the best prices throughout the month and snap up a great deal.

  • Stay on top of deals for cheap flights from CWL to USM by creating a Price Alert. You'll receive an email or push notification on the app when a lower fare becomes available.

  • Tailor your trip using filters. Pick your preferred arrival and departure times, total journey duration and airlines. You can also sort the results by 'Cheapest,' 'Best' or 'Fastest' flights from Cardiff Airport to Koh Samui Airport.

Handy information about Cardiff Airport (CWL)

  • Of all flights leaving Cardiff Airport, 66.16% land on time at their destination.

  • Central Cardiff to Cardiff Airport is around 27 kilometres. Depending on traffic, it'll take about 30 minutes to get there if you're driving, ride-sharing or catching a cab.

  • Expect a trip time of roughly 1 hour 5 minutes when using public transport.

  • Catching an early flight from Cardiff Airport to Koh Samui Airport? Avoid the hassle of rushing to the terminal (and get some extra shut-eye) by picking one of these stays near CWL:

Arriving at Koh Samui Airport (USM)

  • Reserve a hotel close to USM if you're on a late Cardiff Airport to Koh Samui Airport flight. Check in to one of these accommodation options and skip the long transfer after landing:

  • Pick up a Koh Samui Airport rental car and discover Koh Samui and beyond with your own set of wheels. Asap car hire, Hertz and Drive Car Hire are popular providers to choose from here.

  • To secure the lowest price, reserve your ride from Koh Samui Airport around four weeks in advance.

Getting from Koh Samui Airport (USM) to central Koh Samui

  • Koh Samui Airport to central Koh Samui is around 3 kilometres. Journey times vary depending on traffic conditions and the time of day, so checking a navigation app for live updates is always a smart move.

When to fly to Koh Samui Airport (USM)

  • The quietest month for a flight from Cardiff Airport to Koh Samui Airport is February, while July is the most popular. Choose the ideal time to visit Koh Samui based on whether you prefer a more fast-paced or easygoing experience.

Explore more of Thailand

  • You've visited Koh Samui, now it's time to discover other parts of Thailand. Journey about 467 kilometres north to Bangkok to check off its leading attractions. From Grand Palace to Wat Arun and Wat Phra Kaew, there's plenty to keep you on the go.

  • Chon Buri is another favourite destination in Thailand and is around 434 kilometres north of Koh Samui. No trip is complete without seeing Wat Ton Son, Forest and Phra Phutthasihing Hall.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.