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Flights from Karratha to Koh Samui

Find the cheapest flight options from Karratha to Koh Samui over the next three months. Book one-way tickets from NZD 1,446 and round-trip tickets from NZD 2,184.

      • KTA 19:15
        24h 35m
        2 stops
        USM 18:50
        Karratha - Koh Samui | Fri, Jan 16 | Qantas Airways
        USM 08:55
        23h 25m
        2 stops
        KTA 09:20
        Koh Samui - Karratha | Fri, Jan 23 | Scoot
        NZD 2,184 NZD 2,657
        18% OFF
        18% OFF
        NZD 2,657 NZD 2,184
      • KTA 16:35
        27h 15m
        2 stops
        USM 18:50
        Karratha - Koh Samui | Fri, Jan 16 | Virgin Australia
        USM 08:55
        22h 55m
        2 stops
        KTA 08:50
        Koh Samui - Karratha | Fri, Jan 23 | Scoot
        NZD 2,444 NZD 2,657
        8% OFF
        8% OFF
        NZD 2,657 NZD 2,444
      • KTA 13:00
        17h 25m
        1 stop
        USM Invalid Date
        Karratha - Koh Samui | Fri, Dec 19 | Normal Airline
        USM 15:00
        6h
        Direct
        KTA 16:00
        Koh Samui - Karratha | Sun, Dec 21 | Normal Airline
        Find More Flights
        Find More Flights
      • KTA 09:45
        32h 25m
        2 stops
        USM 17:10
        Karratha - Koh Samui | Sat, Jan 3 | Virgin Australia
        NZD 1,446 NZD 3,375
        56% OFF
        56% OFF
        NZD 3,375 NZD 1,446
      • KTA 17:05
        25h 5m
        2 stops
        USM 17:10
        Karratha - Koh Samui | Sat, Jan 3 | Qantas Airways
        NZD 1,531 NZD 3,375
        55% OFF
        55% OFF
        NZD 3,375 NZD 1,531
      • KTA 17:05
        26h 45m
        2 stops
        USM 18:50
        Karratha - Koh Samui | Thu, Dec 25 | Qantas Airways
        NZD 2,713 NZD 3,375
        20% OFF
        20% OFF
        NZD 3,375 NZD 2,713
      • KTA 09:45
        33h 30m
        2 stops
        USM 18:15
        Karratha - Koh Samui | Sat, Jan 3 | Singapore Airlines
        NZD 3,105
        8% OFF
        NZD 3,375 NZD 3,105
      • KTA 13:00
        17h 25m
        1 stop
        USM Invalid Date
        Karratha - Koh Samui | Fri, Dec 19 | Normal Airline
        Find More Flights
        Find More Flights

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

Flight details for Karratha to Koh Samui

The distance between Karratha and Koh Samui is 3,828.97 km. Based on Trip.com's data, travel demand peaks in April. The off-season for travel is August.

Cheapest one-way flight priceNZD 1,446
Cheapest round-trip ticket priceNZD 2,184
Off-season for travelAugust
Peak season for travelApril
Flight distance3,828.97 km
Flight statistics for the Karratha–Koh Samui route are based on aggregated booking data from Trip.com over the past 12 months.

Find the best time to fly from Karratha to Koh Samui

The cheapest time for Karratha to Koh Samui flights: Dec 28 to Jan 4 — one way flight prices from NZD 1,446.

Cheapest flights
From price
Search
  • 1421
  • 2128

  • Jan

    284
  • 411
  • 1118
  • 1825

  • Feb

    251
  • 18
  • 815
  • 1522

  • Mar

    221
  • 18
Displayed fare trends are based on Trip.com's aggregated average of the lowest flight prices from Karratha to Koh Samui, calculated over the upcoming 10 weeks.

Flight FAQs

  • What are the cheapest flights from Karratha to Koh Samui (KTA-USM)?

    Based on Trip.com data, Virgin Australia offers one-way fares as low as NZD 1,446 on Cheapest nonstop routes (e.g. KTA to USM on Sat, Jan 3), while Qantas Airways offers Cheapest nonstop round-trips from NZD 2,184 departing on Fri, Jan 16 and returning on Fri, Jan 23.
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Karratha to Koh Samui 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 Karratha to Koh Samui, 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 Sat, Jan 3, with one-way flights priced at just NZD 1,446.
    · 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 Koh Samui travel is around April.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Karratha to Koh Samui is August, when demand for travel is lower.
  • The time difference between Koh Samui and Karratha 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.