Rome2Rio

How to get fromCardiff to Koh Samui Airport (USM)by plane or train

Find Transport to Koh Samui Airport (USM)

See all options

There are 6 ways to get from Cardiff to Koh Samui Airport (USM) by plane or train

Select an option below to see step-by-step directions and to compare ticket prices and travel times in Rome2Rio's travel planner.

  1. Fly from Cardiff Airport

    best
    1. Fly from Cardiff Airport (CWL) to Koh Samui Airport (USM)planeCWL - USM
    19h 50m
    ฿28,202–70,203

  2. Train to Birmingham Airport, fly

    cheapest
    1. Take the train from Cardiff Central to Birmingham New Streettrain
    2. Fly from Birmingham Airport (BHX) to Koh Samui Airport (USM)planeBHX - USM
    21h 28m
    ฿17,389–30,259

  3. Train to Bristol Airport, fly

    1. Take the train from Cardiff Central to Bristol Temple Meadstrain
    2. Fly from Bristol Airport (BRS) to Koh Samui Airport (USM)planeBRS - USM
    19h 11m
    ฿17,678–42,378

  4. Train to London Heathrow Airport, fly

    1. Take the train from Cardiff Central to London Paddingtontrain
    2. Fly from London Heathrow Airport (LHR) to Koh Samui Airport (USM)planeLHR - USM
    17h 58m
    ฿19,043–37,833

  5. Train, train to London Gatwick Airport, fly

    1. Take the train from Cardiff Central to Readingtrain
    2. Take the train from Reading to Gatwick Airporttrain
    3. Fly from London Gatwick Airport (LGW) to Koh Samui Airport (USM)planeLGW - USM
    18h 53m
    ฿17,556–35,572

  6. Train, train to Exeter, fly

    1. Take the train from Cardiff Central to Bristol Temple Meadstrain
    2. Take the train from Bristol Temple Meads to Exeter St Davidstrain
    3. Fly from Exeter (EXT) to Koh Samui Airport (USM)planeEXT - USM
    21h 41m
    ฿29,756–73,026

Cardiff Airport (CWL) to Koh Samui Airport (USM) flights

Calendar24Weekly Planes
Duration18h 8mAverage Duration
Ticket฿23,282Cheapest Price
See schedules

Questions & Answers

What companies run services between Cardiff, Wales and Koh Samui Airport (USM), Thailand?

KLM, Bangkok Airways, and two other airlines fly from Cardiff Airport (CWL) to Koh Samui Airport (USM) 3 times a day.

Transport is disrupted due to the Russia-Ukraine war. Read more

Airlines
Train operators

Want to know more about travelling around Thailand

Rome2Rio's Travel Guide series provide vital information for the global traveller. Filled with useful and timely travel information, the guides answer all the hard questions - such as 'How do I buy a ticket?', 'Should I book online before I travel? ', 'How much should I expect to pay?', 'Do the trains and buses have Wifi?' - to help you get the most out of your next trip.

Related travel guides

Where to next?

Trips from Cardiff

Trips to Koh Samui Airport (USM)

Popular routes