ADL - USM

฿26,238 Find Cheap Flights from Adelaide to Ko Samui – Compare and Save

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Everything you should know

Cheapest return flight
฿26,238
Typical prices: ฿30,335-฿42,882
Multiple Airlines
Sat 20/10Sat 27/10
ADL - USM • 2 stops
Direct flights
Not available
There are currently no direct flights between Adelaide and Ko Samui. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to travel
October
Cheapest • 22% price drop
June
Most popular
Good to know
+1
Good to know
+1
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We hope you enjoy your trip to Ko Samui!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Adelaide to Ko Samui (ADL-USM)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Adelaide to Ko Samui

Tue 20 Oct - Tue 27 Oct
Multiple Airlines Logo
07:15 - 18:50ADL  Adelaide-USM Ko Samui
39h 05m2 stops Melbourne Singapore Changi
Multiple Airlines Logo
12:00 - 22:10USM  Ko Samui-ADL Adelaide
30h 40m2 stops Singapore Changi Melbourne
฿26,238Multiple Airlines
Mon 19 Oct - Thu 29 Oct
Multiple Airlines Logo
08:55 - 10:10ADL  Adelaide-USM Ko Samui
28h 45m2 stops Melbourne Singapore Changi
Multiple Airlines Logo
18:05 - 18:15USM  Ko Samui-ADL Adelaide
20h 40m2 stops Singapore Changi Melbourne
฿31,261Multiple Airlines
Sun 1 Nov - Mon 30 Nov
แควนตัสแอร์เวย์ Logo
12:00 - 18:15ADL  Adelaide-USM Ko Samui
33h 45m2 stops Melbourne Singapore Changi
แควนตัสแอร์เวย์ Logo
16:25 - 13:30USM  Ko Samui-ADL Adelaide
17h 35m2 stops Singapore Changi Melbourne
฿32,253แควนตัสแอร์เวย์
Tue 6 Oct - Mon 12 Oct
Multiple Airlines Logo
18:30 - 13:55ADL  Adelaide-USM Ko Samui
22h 55m3 stops Melbourne Kuala Lumpur Intl Phuket City
Multiple Airlines Logo
15:25 - 17:15USM  Ko Samui-ADL Adelaide
22h 20m3 stops Phuket City Singapore Changi Melbourne
฿33,046Multiple Airlines
Sun 1 Nov - Mon 16 Nov
แควนตัสแอร์เวย์ Logo
07:50 - 21:05ADL  Adelaide-USM Ko Samui
16h 45m2 stops Melbourne Singapore Changi
แควนตัสแอร์เวย์ Logo
13:25 - 11:15USM  Ko Samui-ADL Adelaide
18h 20m2 stops Singapore Changi Melbourne
฿33,079แควนตัสแอร์เวย์
Tue 6 Oct - Mon 12 Oct
Multiple Airlines Logo
18:30 - 16:55ADL  Adelaide-USM Ko Samui
25h 55m3 stops Melbourne Kuala Lumpur Intl Phuket City
Multiple Airlines Logo
19:45 - 17:15USM  Ko Samui-ADL Adelaide
18h 00m2 stops Singapore Changi Melbourne
฿33,508Multiple Airlines
Mon 19 Oct - Thu 29 Oct
Singapore Airlines Logo
18:35 - 18:50ADL  Adelaide-USM Ko Samui
27h 45m1 stop Singapore Changi
Singapore Airlines Logo
12:00 - 08:50USM  Ko Samui-ADL Adelaide
17h 20m1 stop Singapore Changi
฿33,674Singapore Airlines
Wed 14 Oct - Mon 19 Oct
Multiple Airlines Logo
07:50 - 18:15ADL  Adelaide-USM Ko Samui
37h 55m2 stops Melbourne Singapore Changi
Multiple Airlines Logo
16:25 - 13:35USM  Ko Samui-ADL Adelaide
17h 40m2 stops Singapore Changi Melbourne
฿34,037Multiple Airlines
Wed 14 Oct - Mon 19 Oct
Multiple Airlines Logo
07:50 - 21:10ADL  Adelaide-USM Ko Samui
16h 50m2 stops Melbourne Singapore Changi
Multiple Airlines Logo
16:25 - 13:35USM  Ko Samui-ADL Adelaide
17h 40m2 stops Singapore Changi Melbourne
฿34,136Multiple Airlines
Sun 1 Nov - Mon 30 Nov
Singapore Airlines Logo
18:35 - 17:10ADL  Adelaide-USM Ko Samui
26h 05m1 stop Singapore Changi
Singapore Airlines Logo
19:45 - 08:50USM  Ko Samui-ADL Adelaide
33h 35m1 stop Singapore Changi
฿34,731Singapore Airlines
Booking Insights

Price, demand, and travel trends for Adelaide to Ko Samui flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights from Adelaide to Ko Samui with more confidence.

What's the cheapest day of the week to fly from Adelaide to Ko Samui?

Thursday is the cheapest day of the week to fly from Adelaide to Ko Samui and is 12% cheaper than the average day. Sunday is the most expensive day with flight prices 23% higher than average. Based on deals found by KAYAK users in the last 12 months.

What is the cheapest month to fly from Adelaide to Ko Samui?

  • October is the cheapest month to fly from Adelaide to Ko Samui at ฿27,031 return.
  • December (฿70,387) and April (฿43,158) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 160% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

Find deals

Key details for Adelaide to Ko Samui flights

Low season

November
Best time to beat the crowds (13% less expensive on average)
Most popular time to fly and prices are also 8% lower on average.

When to book flights from Adelaide to Ko Samui

Are your dates flexible? Find out the best times to travel from Adelaide to Ko Samui based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price

Your Adelaide to Ko Samui flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines, and booking questions.

  • Which airports can I use when flying from Adelaide to Ko Samui?

    Flights from Adelaide to Ko Samui usually depart from Adelaide (ADL) and arrive at Ko Samui (USM).

  • Which airports do connecting flights from Adelaide to Ko Samui pass through?

    Most connecting flights from Adelaide to Ko Samui pass through Singapore Changi (SIN), which handles 100% of one-stop traffic on this route. Other stopover airports each see under 5%.

  • Can I save money by using flexible dates for flights from Adelaide to Ko Samui?

    Yes. Being flexible with your travel dates can save you up to 29% on the Adelaide to Ko Samui route. Thursday is the cheapest departure day at ฿30,799 return on average, while Sunday is the most expensive at ฿43,059, a difference of ฿12,260. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What popular places can I visit in Ko Samui?

    Some of the most popular sights in Ko Samui are Chaweng Beach, Lamai Beach, and Hin Ta and Hin Yai Rocks. These are among the most viewed places in Ko Samui on KAYAK.

  • How long is a flight from Adelaide to Ko Samui?

    A direct flight from Adelaide to Ko Samui takes 0h 00m, covering 10,275 km.

  • Do I need a passport to fly from Adelaide to Ko Samui?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • Have flight prices from Adelaide to Ko Samui changed much recently?

    Yes. Based on fares seen in the past 5 days, return flight prices on this route showed a wide range, from about ฿26,238 to ฿84,861. That means the highest observed fare was about 3x higher than the lowest one.

  • What is the time difference between Adelaide and Ko Samui?

    Ko Samui is 2 hours behind Adelaide (Indochina Time vs Central Australia Time). Plan for the time shift when scheduling connections or first-day activities.

  • Which car hire options are available at Ko Samui Airport (USM)?

    Ko Samui Airport (USM) hosts 5 major car hire companies, with daily rates starting from around ฿448 for economy cars. Top options include:
    • Drive Car Rental
    • Alamo
    • Sixt
    • Enterprise Rent-A-Car
    • Hertz

  • How much should I expect to pay for a Adelaide to Ko Samui flight?

    Return flights from Adelaide to Ko Samui range from ฿30,335 to ฿42,882, with an average of ฿34,730 over the past 12 months. Anything below ฿30,335 counts as a good deal.

Your guide to booking Adelaide to Ko Samui flights

Get tips on when to book, when to fly, and what to know before your trip.
  • If your dates are flexible, aim for a Thursday departure instead of Sunday. On this route, Thursday flights average ฿30,799 – about ฿12,260 less than Sunday (28% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Adelaide to Ko Samui trip for October. Fares historically average ฿27,031 return in that month – typically ฿43,356 less than the most expensive month, which is December (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Ko Samui Airport.
    - Ozo Chaweng Samui - Sha Extra Plus
    - Cosi Samui Chaweng Beach
    - Melia Koh Samui

More options for your flight from Adelaide to Ko Samui

Complete your trip to Ko Samui with a hotel stay or car hire

Car rentals in Ko Samui
Hotels in Ko Samui