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Flights from Koh Samui to Kaohsiung

Find the cheapest flight options from Koh Samui to Kaohsiung over the next three months. Book one-way tickets from IDR 2,669,117 and round-trip tickets from IDR 8,316,780.

      • USM 06:45
        25h 55m
        1 stop
        KHH 09:40
        Koh Samui - Kaohsiung | Fri, Dec 12 | Bangkok Airways
        KHH 13:40
        7h 50m
        1 stop
        USM 20:30
        Kaohsiung - Koh Samui | Wed, Dec 17 | Thai Lion Air
        IDR 8,316,780 IDR 14,959,653
        44% OFF
        44% OFF
        IDR 14,959,653 IDR 8,316,780
      • USM 06:45
        23h 30m
        1 stop
        KHH 07:15
        Koh Samui - Kaohsiung | Sat, Dec 13 | Bangkok Airways
        KHH 13:40
        7h 50m
        1 stop
        USM 20:30
        Kaohsiung - Koh Samui | Wed, Dec 17 | Thai Lion Air
        IDR 8,316,780 IDR 14,959,653
        44% OFF
        44% OFF
        IDR 14,959,653 IDR 8,316,780
      • USM 07:55
        7h 20m
        1 stop
        KHH 16:15
        Koh Samui - Kaohsiung | Wed, Dec 17 | Thai Airways
        KHH 17:15
        24h 45m
        1 stop
        USM 17:00
        Kaohsiung - Koh Samui | Wed, Dec 24 | Thai Airways
        IDR 10,123,748 IDR 14,959,653
        32% OFF
        32% OFF
        IDR 14,959,653 IDR 10,123,748
      • USM 07:15
        8h
        1 stop
        KHH 16:15
        Koh Samui - Kaohsiung | Tue, Dec 16 | Thai Airways
        KHH 17:15
        20h 20m
        1 stop
        USM 12:35
        Kaohsiung - Koh Samui | Sat, Dec 20 | Thai Airways
        IDR 10,208,782
        32% OFF
        IDR 14,959,653 IDR 10,208,782
      • USM 17:40
        21h 35m
        1 stop
        KHH 16:15
        Koh Samui - Kaohsiung | Wed, Dec 17 | Bangkok Airways
        KHH 17:15
        24h 10m
        1 stop
        USM 16:25
        Kaohsiung - Koh Samui | Wed, Dec 24 | Thai Airways
        IDR 10,685,916
        28% OFF
        IDR 14,959,653 IDR 10,685,916
      • USM 11:40
        21h 45m
        1 stop
        KHH 10:25
        Koh Samui - Kaohsiung | Fri, Dec 12 | Cathay Pacific
        KHH 06:55
        13h 40m
        1 stop
        USM 19:35
        Kaohsiung - Koh Samui | Wed, Dec 17 | Cathay Pacific
        IDR 10,912,673
        27% OFF
        IDR 14,959,653 IDR 10,912,673
      • USM 11:40
        23h 35m
        1 stop
        KHH 12:15
        Koh Samui - Kaohsiung | Sat, Dec 13 | Cathay Pacific
        KHH 06:55
        13h 40m
        1 stop
        USM 19:35
        Kaohsiung - Koh Samui | Wed, Dec 17 | Cathay Pacific
        IDR 10,912,673
        27% OFF
        IDR 14,959,653 IDR 10,912,673
      • USM 07:55
        7h 20m
        1 stop
        KHH 16:15
        Koh Samui - Kaohsiung | Fri, Dec 12 | Thai Airways
        KHH 17:15
        15h 30m
        1 stop
        USM 07:45
        Kaohsiung - Koh Samui | Wed, Dec 17 | Thai Airways
        IDR 11,753,563
        21% OFF
        IDR 14,959,653 IDR 11,753,563
      • USM 07:55
        7h 20m
        1 stop
        KHH 16:15
        Koh Samui - Kaohsiung | Sat, Dec 13 | Thai Airways
        KHH 17:15
        15h 30m
        1 stop
        USM 07:45
        Kaohsiung - Koh Samui | Wed, Dec 17 | Thai Airways
        IDR 11,753,563
        21% OFF
        IDR 14,959,653 IDR 11,753,563
      • USM 11:40
        21h 45m
        1 stop
        KHH 10:25
        Koh Samui - Kaohsiung | Tue, Dec 16 | Cathay Pacific
        KHH 17:15
        14h 55m
        1 stop
        USM 07:10
        Kaohsiung - Koh Samui | Sat, Dec 20 | Thai Airways
        IDR 13,463,688
        10% OFF
        IDR 14,959,653 IDR 13,463,688
      • USM 13:00
        17h 25m
        1 stop
        KHH Invalid Date
        Koh Samui - Kaohsiung | Sat, Dec 13 | Normal Airline
        KHH 15:00
        6h
        Direct
        USM 16:00
        Kaohsiung - Koh Samui | Mon, Dec 15 | Normal Airline
        Find More Flights
        Find More Flights
      • USM 07:00
        23h 15m
        1 stop
        KHH 07:15
        Koh Samui - Kaohsiung | Wed, Jan 21 | Bangkok Airways
        IDR 2,669,117 IDR 5,304,116
        50% OFF
        50% OFF
        IDR 5,304,116 IDR 2,669,117
      • USM 19:10
        13h 30m
        1 stop
        KHH 09:40
        Koh Samui - Kaohsiung | Thu, Dec 25 | Bangkok Airways
        IDR 3,210,027 IDR 5,304,116
        39% OFF
        39% OFF
        IDR 5,304,116 IDR 3,210,027
      • USM 07:15
        25h 25m
        1 stop
        KHH 09:40
        Koh Samui - Kaohsiung | Thu, Dec 18 | Bangkok Airways
        IDR 3,384,819 IDR 5,304,116
        36% OFF
        36% OFF
        IDR 5,304,116 IDR 3,384,819
      • USM 09:00
        21h 5m
        1 stop
        KHH 07:05
        Koh Samui - Kaohsiung | Sat, Dec 13 | Bangkok Airways
        IDR 3,680,075
        31% OFF
        IDR 5,304,116 IDR 3,680,075
      • USM 07:15
        22h 45m
        1 stop
        KHH 07:00
        Koh Samui - Kaohsiung | Sat, Jan 17 | Bangkok Airways
        IDR 4,109,968
        23% OFF
        IDR 5,304,116 IDR 4,109,968
      • USM 17:05
        12h 55m
        1 stop
        KHH 07:00
        Koh Samui - Kaohsiung | Thu, Jan 8 | Bangkok Airways
        IDR 4,140,675
        22% OFF
        IDR 5,304,116 IDR 4,140,675
      • USM 06:45
        23h 30m
        1 stop
        KHH 07:15
        Koh Samui - Kaohsiung | Fri, Dec 12 | Bangkok Airways
        IDR 4,199,726
        21% OFF
        IDR 5,304,116 IDR 4,199,726
      • USM 21:10
        11h 30m
        1 stop
        KHH 09:40
        Koh Samui - Kaohsiung | Tue, Jan 13 | Bangkok Airways
        IDR 4,206,812
        21% OFF
        IDR 5,304,116 IDR 4,206,812
      • USM 14:30
        15h 45m
        1 stop
        KHH 07:15
        Koh Samui - Kaohsiung | Fri, Jan 16 | Bangkok Airways
        IDR 4,308,380
        19% OFF
        IDR 5,304,116 IDR 4,308,380
      • USM 07:00
        8h 15m
        1 stop
        KHH 16:15
        Koh Samui - Kaohsiung | Tue, Dec 16 | Bangkok Airways
        IDR 4,773,704
        10% OFF
        IDR 5,304,116 IDR 4,773,704
      • USM 13:00
        17h 25m
        1 stop
        KHH Invalid Date
        Koh Samui - Kaohsiung | Sat, Dec 13 | Normal Airline
        Find More Flights
        Find More Flights

Displayed flight fares from Koh Samui to Kaohsiung 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 Kaohsiung

The distance between Koh Samui and Kaohsiung is 2,601.6 km. Based on Trip.com's data, travel demand peaks in January. The off-season for travel is November.

Cheapest one-way flight priceIDR 2,669,117
Cheapest round-trip ticket priceIDR 8,316,780
Off-season for travelNovember
Peak season for travelJanuary
Flight distance2,601.6 km

Find the best time to fly from Koh Samui to Kaohsiung

The cheapest time for Koh Samui to Kaohsiung flights: Jan 18 to Jan 25 — one way flight prices from IDR 2,669,117.

Cheapest flights
From price
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  • 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 Kaohsiung, calculated over the upcoming 10 weeks.

Flight FAQs

  • What are the cheapest flights from Koh Samui to Kaohsiung (USM-KHH)?

    Based on Trip.com data, Bangkok Airways offers one-way fares as low as IDR 2,669,117 on Cheapest nonstop routes (e.g. USM to KHH on Wed, Jan 21), while Bangkok Airways offers Cheapest nonstop round-trips from IDR 8,316,780 departing on Fri, Dec 12 and returning on Wed, Dec 17.
  • 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 Kaohsiung 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 Kaohsiung, 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 Wed, Jan 21, with one-way flights priced at just IDR 2,669,117.
    · 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 Kaohsiung travel is around January.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Koh Samui to Kaohsiung is November, 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 Kaohsiung on December 12, 2025 with Bangkok Airways, with prices starting at IDR 8,316,779.
  • The time difference between Kaohsiung and Koh Samui is 1h.
  • Tickets can only be changed or canceled 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.