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Flights from Koh Samui to Trat

Find the cheapest flight options from Koh Samui to Trat over the next three months. Book one-way tickets from TWD 6,016 and round-trip tickets from TWD 11,925.

      • USM 20:40
        12h 30m
        1 stop
        TDX 09:10
        Koh Samui - Trat | Wed, Jan 7 | Bangkok Airways
        TDX 09:40
        10h 5m
        1 stop
        USM 19:45
        Trat - Koh Samui | Mon, Jan 12 | Bangkok Airways
        TWD 11,925 TWD 19,417
        39% OFF
        39% OFF
        TWD 19,417 TWD 11,925
      • USM 06:45
        26h 25m
        1 stop
        TDX 09:10
        Koh Samui - Trat | Mon, Jan 26 | Bangkok Airways
        TDX 09:40
        24h 45m
        1 stop
        USM 10:25
        Trat - Koh Samui | Mon, Feb 2 | Bangkok Airways
        TWD 12,744 TWD 19,417
        34% OFF
        34% OFF
        TWD 19,417 TWD 12,744
      • USM 06:45
        26h 25m
        1 stop
        TDX 09:10
        Koh Samui - Trat | Tue, Jan 27 | Bangkok Airways
        TDX 09:40
        10h 50m
        1 stop
        USM 20:30
        Trat - Koh Samui | Tue, Feb 3 | Bangkok Airways
        TWD 12,864 TWD 19,417
        34% OFF
        34% OFF
        TWD 19,417 TWD 12,864
      • USM 06:45
        26h 25m
        1 stop
        TDX 09:10
        Koh Samui - Trat | Thu, Jan 22 | Bangkok Airways
        TDX 09:40
        11h 40m
        1 stop
        USM 21:20
        Trat - Koh Samui | Sun, Jan 25 | Bangkok Airways
        TWD 12,974
        33% OFF
        TWD 19,417 TWD 12,974
      • USM 20:30
        12h 40m
        1 stop
        TDX 09:10
        Koh Samui - Trat | Sat, Jan 10 | Bangkok Airways
        TDX 09:40
        10h 50m
        1 stop
        USM 20:30
        Trat - Koh Samui | Thu, Jan 15 | Bangkok Airways
        TWD 13,271
        32% OFF
        TWD 19,417 TWD 13,271
      • USM 06:45
        26h 25m
        1 stop
        TDX 09:10
        Koh Samui - Trat | Tue, Dec 16 | Bangkok Airways
        TDX 09:40
        10h 45m
        1 stop
        USM 20:25
        Trat - Koh Samui | Tue, Dec 23 | Bangkok Airways
        TWD 13,479
        31% OFF
        TWD 19,417 TWD 13,479
      • USM 20:20
        12h 50m
        1 stop
        TDX 09:10
        Koh Samui - Trat | Wed, Jan 21 | Bangkok Airways
        TDX 09:40
        10h 5m
        1 stop
        USM 19:45
        Trat - Koh Samui | Wed, Jan 28 | Bangkok Airways
        TWD 13,918
        28% OFF
        TWD 19,417 TWD 13,918
      • USM 20:30
        12h 40m
        1 stop
        TDX 09:10
        Koh Samui - Trat | Tue, Jan 13 | Bangkok Airways
        TDX 09:40
        10h 50m
        1 stop
        USM 20:30
        Trat - Koh Samui | Tue, Jan 20 | Bangkok Airways
        TWD 13,998
        28% OFF
        TWD 19,417 TWD 13,998
      • USM 19:35
        13h 35m
        1 stop
        TDX 09:10
        Koh Samui - Trat | Tue, Jan 6 | Bangkok Airways
        TDX 09:40
        10h 50m
        1 stop
        USM 20:30
        Trat - Koh Samui | Tue, Jan 13 | Bangkok Airways
        TWD 14,139
        27% OFF
        TWD 19,417 TWD 14,139
      • USM 09:00
        8h 15m
        1 stop
        TDX 17:15
        Koh Samui - Trat | Mon, Jan 5 | Bangkok Airways
        TDX 09:40
        10h 5m
        1 stop
        USM 19:45
        Trat - Koh Samui | Mon, Jan 12 | Bangkok Airways
        TWD 14,175
        27% OFF
        TWD 19,417 TWD 14,175
      • USM 13:00
        17h 25m
        1 stop
        TDX Invalid Date
        Koh Samui - Trat | Sun, Dec 14 | Normal Airline
        TDX 15:00
        6h
        Direct
        USM 16:00
        Trat - Koh Samui | Tue, Dec 16 | Normal Airline
        Find More Flights
        Find More Flights
      • USM 07:00
        26h 10m
        1 stop
        TDX 09:10
        Koh Samui - Trat | Tue, Feb 3 | Bangkok Airways
        TWD 6,016 TWD 11,262
        47% OFF
        47% OFF
        TWD 11,262 TWD 6,016
      • USM 20:20
        12h 50m
        1 stop
        TDX 09:10
        Koh Samui - Trat | Mon, Jan 19 | Bangkok Airways
        TWD 6,206 TWD 11,262
        45% OFF
        45% OFF
        TWD 11,262 TWD 6,206
      • USM 06:45
        26h 25m
        1 stop
        TDX 09:10
        Koh Samui - Trat | Tue, Jan 27 | Bangkok Airways
        TWD 6,228 TWD 11,262
        45% OFF
        45% OFF
        TWD 11,262 TWD 6,228
      • USM 06:45
        26h 25m
        1 stop
        TDX 09:10
        Koh Samui - Trat | Mon, Jan 26 | Bangkok Airways
        TWD 6,733
        40% OFF
        TWD 11,262 TWD 6,733
      • USM 07:15
        25h 55m
        1 stop
        TDX 09:10
        Koh Samui - Trat | Sun, Feb 1 | Bangkok Airways
        TWD 6,946
        38% OFF
        TWD 11,262 TWD 6,946
      • USM 19:00
        14h 10m
        1 stop
        TDX 09:10
        Koh Samui - Trat | Thu, Feb 5 | Bangkok Airways
        TWD 7,788
        31% OFF
        TWD 11,262 TWD 7,788
      • USM 20:45
        20h 30m
        1 stop
        TDX 17:15
        Koh Samui - Trat | Sat, Dec 13 | Bangkok Airways
        TWD 7,836
        30% OFF
        TWD 11,262 TWD 7,836
      • USM 07:45
        25h 25m
        1 stop
        TDX 09:10
        Koh Samui - Trat | Tue, Dec 30 | Bangkok Airways
        TWD 7,965
        28% OFF
        TWD 11,262 TWD 7,965
      • USM 07:15
        10h
        1 stop
        TDX 17:15
        Koh Samui - Trat | Tue, Dec 16 | Bangkok Airways
        TWD 8,155
        28% OFF
        TWD 11,262 TWD 8,155
      • USM 07:45
        9h 30m
        1 stop
        TDX 17:15
        Koh Samui - Trat | Thu, Dec 25 | Bangkok Airways
        TWD 8,222
        27% OFF
        TWD 11,262 TWD 8,222
      • USM 13:00
        17h 25m
        1 stop
        TDX Invalid Date
        Koh Samui - Trat | Sun, Dec 14 | Normal Airline
        Find More Flights
        Find More Flights

Displayed flight fares from Koh Samui to Trat are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Flight details for Koh Samui to Trat

The distance between Koh Samui and Trat is 390.43km. Based on Trip.com's data, travel demand peaks in July. The off-season for travel is September.

Cheapest one-way flight priceTWD 6,016
Cheapest return ticket priceTWD 11,925
Off-season travel monthSeptember
Peak season for travelJuly
Flight distance390.43km

Find the best time to fly from Koh Samui to Trat

The cheapest time for Koh Samui to Trat flights: Feb 1 to Feb 8 — one way flight prices from TWD 6,015.

Cheapest flights
From price
Search
  • 714
  • 1421
  • 2128

  • Jan

    284
  • 411
  • 1118
  • 1825

  • Feb

    251
  • 18
  • 815
  • 1522

  • Mar

    221
Displayed fare trends are based on Trip.com's aggregated average of the lowest flight prices from Koh Samui to Trat, calculated over the upcoming 10 weeks.

Flight FAQs

  • Which airlines offer the cheapest flights from Koh Samui (USM) to Trat (TDX)?

    Based on Trip.com data, Bangkok Airways offers one-way fares as low as TWD 6,016 on Cheapest nonstop routes (e.g. USM to TDX on Tue, Feb 3), while Bangkok Airways offers Cheapest nonstop round-trips from TWD 11,925 departing on Wed, Jan 7 and returning on Mon, Jan 12.
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Koh Samui to Trat is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • To find best deals on flights from Koh Samui to Trat, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Tue, Feb 3, with one-way flights priced at just TWD 6,016.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Bangkok Airways.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for Trat travel is around July.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Koh Samui to Trat is September, when demand for travel is lower.
  • After crunching the numbers on our December flight calendar, it's currently cheapest to fly from Koh Samui to Trat on December 16, 2025 with Bangkok Airways, with prices starting at TWD 13,478.
  • The time difference between Trat and Koh Samui is 0h.
  • Tickets can only be changed or cancelled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

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