CWL - USM

฿43,944 Find Cheap Flights from Cardiff to Ko Samui – Compare and Save

1 adult
1 adult, Economy, 0 bags

Save 30% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Everything you should know

Cheapest return flight
฿43,944
Typical prices: ฿41,023-฿51,619
Multiple Airlines
Mon 10/12Mon 17/12
CWL - USM • 3 stops
Start a new search
KAYAK searches hundreds of sites at once to find you the best travel deals.
We hope you enjoy your trip to Ko Samui!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Cardiff to Ko Samui (CWL-USM)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Cardiff to Ko Samui

Thu 10 Dec - Thu 17 Dec
Multiple Airlines Logo
13:25 - 21:05CWL  Cardiff Wales-USM Ko Samui
24h 40m3 stops Dublin Frankfurt am Main Singapore Changi
Multiple Airlines Logo
19:00 - 15:40USM  Ko Samui-CWL Cardiff Wales
27h 40m3 stops Bangkok Suvarnabhumi Munich Franz Josef Strauss Dublin
฿43,944Multiple Airlines
Thu 10 Dec - Thu 17 Dec
เคแอลเอ็ม รอยัล ดัตช์ แอร์ไลน์ Logo
10:20 - 13:05CWL  Cardiff Wales-USM Ko Samui
19h 45m2 stops Amsterdam Schiphol Bangkok Suvarnabhumi
เคแอลเอ็ม รอยัล ดัตช์ แอร์ไลน์ Logo
07:55 - 09:50USM  Ko Samui-CWL Cardiff Wales
32h 55m2 stops Bangkok Suvarnabhumi Amsterdam Schiphol
฿53,436เคแอลเอ็ม รอยัล ดัตช์ แอร์ไลน์
Thu 10 Dec - Thu 17 Dec
Multiple Airlines Logo
13:25 - 21:05CWL  Cardiff Wales-USM Ko Samui
24h 40m3 stops Dublin Istanbul Singapore Changi
Multiple Airlines Logo
19:40 - 09:50USM  Ko Samui-CWL Cardiff Wales
21h 10m2 stops Bangkok Suvarnabhumi Amsterdam Schiphol
฿67,926Multiple Airlines
Booking Insights

Price, demand, and travel trends for Cardiff to Ko Samui flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights with more confidence.

Which airline is the cheapest to fly from Cardiff to Ko Samui?

เคแอลเอ็ม รอยัล ดัตช์ แอร์ไลน์ (฿53,436) offered the cheapest return ticket from Cardiff to Ko Samui in the last 5 days.

Find deals

Key details for Cardiff to Ko Samui flights

Cheapest flight

฿43,944
Return flight from Cardiff to Ko Samui

When to book flights from Cardiff to Ko Samui

Are your dates flexible? Find out the best times to travel from Cardiff to Ko Samui based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price

Your Cardiff to Ko Samui flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines, and booking tips.

  • Do I need a passport to fly from Cardiff to Ko Samui?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • Have flight prices from Cardiff to Ko Samui changed much recently?

    Yes. Based on fares seen in the past 5 days, return prices on this route varied from about ฿43,944 to ฿67,926. That means the highest observed fare was about 54% higher than the lowest one.

  • Which airports can I use when flying from Cardiff to Ko Samui?

    Flights from Cardiff to Ko Samui usually depart from Cardiff Wales (CWL) and arrive at Ko Samui (USM).

  • Can I save money by using flexible dates for flights from Cardiff to Ko Samui?

    Yes. Flexible dates can save you up to 21% on flights from Cardiff to Ko Samui. Thursday is the cheapest departure day at ฿41,040 return on average, while Monday is the most expensive at ฿51,612, a difference of ฿10,572.

    KAYAK's flexible dates feature shows options up to three days before and after your selected dates, making it easier to compare nearby fares.

  • What is the time difference between Cardiff and Ko Samui?

    Ko Samui is 7 hours ahead of Cardiff (Indochina Time vs British Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in Ko Samui?

    Some of the most popular sights in Ko Samui are Chaweng Beach, Lamai Beach, and Bophut Beach. These are among the most viewed places in Ko Samui on KAYAK.

Your guide to booking Cardiff to Ko Samui flights

Get tips on when to book, when to fly, and what to know before your trip.
  • If your dates are flexible, aim for a Thursday departure and avoid flying on Monday. On this route, Thursday flights average ฿41,040, which is about ฿10,572 less than Monday fares (20% savings) based on the last 12 months.
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Ko Samui Airport.

    • Ozo Chaweng Samui - Sha Extra Plus
    • Melia Koh Samui
    • Royal Muang Samui Villas

More options for your flight from Cardiff to Ko Samui

Complete your trip to Ko Samui with a hotel stay or car hire

Car rentals in Ko Samui
Hotels in Ko Samui