App
Customer Support
NZD
Find Bookings
Worldwide Coverage
Worldwide Coverage
Flights to over 5,000 cities
One-stop Service Guarantee
One-stop Service Guarantee
Price guaranteed upon confirmed payment, booking guaranteed once tickets issued
Secure Payment
Secure Payment
Convenient & reliable booking and payment system

Cheap flight deals from Castres to Koh Samui Starting at NZD 2,121

We've found these cheap flights for you. You can book one-way or round-trip flight tickets.

  • Round-trip
      • DCM05:50 pm
        42h 25m
        2 stops
        USM06:15 pm
        Fri, Feb 28|Castres - Koh Samui|Air France
        USM08:15 am
        56h 10m
        2 stops
        DCM10:25 am
        Sat, Mar 8|Koh Samui - Castres|Bangkok Airways
        NZD 2,121NZD 5,783
        63% OFF
        63% OFF
        NZD 5,783NZD 2,121

        Choose Air France flights from Castres to Koh Samui. The one-way connecting flight with Air France departs from Castres-Mazamet Airport on Fri, Feb 28-Sat, Mar 8, arriving at Samui International Airport. One-way Prices start from NZD 2,121 including taxes and charges.

      • DCM06:40 am
        24h 25m
        2 stops
        USM01:05 pm
        Mon, Feb 24|Castres - Koh Samui|Air France
        USM11:40 am
        40h 5m
        2 stops
        DCM09:45 pm
        Mon, Mar 3|Koh Samui - Castres|Air France
        NZD 2,264NZD 5,783
        61% OFF
        61% OFF
        NZD 5,783NZD 2,264

        Choose Air France flights from Castres to Koh Samui. The one-way connecting flight with Air France departs from Castres-Mazamet Airport on Mon, Feb 24-Mon, Mar 3, arriving at Samui International Airport. One-way Prices start from NZD 2,264 including taxes and charges.

      • DCM06:40 am
        23h 55m
        2 stops
        USM12:35 pm
        Fri, Feb 28|Castres - Koh Samui|Chalair Aviation
        USM08:15 am
        43h 30m
        2 stops
        DCM09:45 pm
        Sat, Mar 8|Koh Samui - Castres|Bangkok Airways
        NZD 5,263NZD 5,783
        9% OFF
        9% OFF
        NZD 5,783NZD 5,263

        Choose Chalair Aviation flights from Castres to Koh Samui. The one-way connecting flight with Chalair Aviation departs from Castres-Mazamet Airport on Fri, Feb 28-Sat, Mar 8, arriving at Samui International Airport. One-way Prices start from NZD 5,263 including taxes and charges.

      • DCM01:00 pm
        3h 5m
        Nonstop
        USM02:00 pm
        Thu, Feb 27|Castres - Koh Samui|Air France
        Find More Flights
        Find More Flights

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Castres to Koh Samui Flight Time

Flight info.
Departure
Arrival
Weekly Schedule

  1. AF7043

    Air France

    05:50 pm

    DCM

    1.6h

    07:25 pm

    ORY

    SMTWT-S
    Search

  2. AF182

    Air France

    01:40 pm

    CDG

    13.1h

    08:45 am

    SIN

    S-T--F-

  3. PG968

    Bangkok Airways

    05:20 pm

    SIN

    1.9h

    06:15 pm

    USM

    SMTWTFS

  4. AF7041

    Air France

    06:40 am

    DCM

    1.6h

    08:15 am

    ORY

    SMTWT--
    Search

  5. AF182

    Air France

    01:40 pm

    CDG

    13.1h

    08:45 am

    SIN

    S-T--F-

  6. PG966

    Bangkok Airways

    12:15 pm

    SIN

    1.9h

    01:10 pm

    USM

    -M-W-F-

  7. CE8101

    Chalair Aviation

    06:40 am

    DCM

    1.6h

    08:15 am

    ORY

    SMTWT--
    Search

  8. AF196

    Air France

    02:35 pm

    CDG

    11.6h

    08:10 am

    BKK

    SMT-TFS

  9. AF4382

    Air France

    11:40 am

    BKK

    1.1h

    12:45 pm

    USM

    SMTWTFS
Find more flights and airlines

When is the cheapest time to fly from Castres to Koh Samui?

We monitor flight fares to help you find the best deals effortlessly

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Frequently Asked Questions

  • When are flight tickets from Castres (DCM) to Koh Samui (USM) the cheapest?

    Airlines adjust prices for flights from Castres to Koh Samui based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.

  • How much do flights from Castres (DCM) to Koh Samui (USM) cost?

    According to Trip.com's data, the lowest price is around NZD 2,326.

  • What is the transportation method from the main airport to downtown in Koh Samui?

    • The distance from Samui International Airport to downtown is about 3 km. It takes about 20 minutes by taxi.

How to find a cheap flight from Castres to Koh Samui

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Castres to Koh Samui. Book your flights at the right time and save more.
1
Book Early
Once prices are gone, they're gone. Lock in deals while you can!
2
Compare Flight Prices
Compare prices on travel agency and airline websites.
3
Look Out for Deals
Check airline and travel agency websites for latest flight deals
4
Check One-way Fares
Buying two cheap one-way flights can sometimes be a better deal than a round-trip.
5
Try Different Dates
Flying during the week, early in the morning, or late at night can help save money.
6
Use the Trip.com App
Save up to £10 per person when booking your flights on Trip.com

Flight Info | Castres to Koh Samui

Off-season for travelJanuary
Peak season for travelMarch
Flight distance9,894.91 km
Popular airlineAir France

Contact Us

About

Other Services

Payment Methods
Our Partners
Copyright © 2025 Trip.com Travel Singapore Pte. Ltd. All rights reserved
Site Operator: Trip.com Travel Singapore Pte. Ltd.