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SYD - USM

$541 Find cheap flights from Sydney to Koh Samui

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Sydney to Koh Samui departing on 6/6. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
0 bags
周二 6/4
周二 6/11

Search hundreds of travel sites at once for deals on flights to Koh Samui

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Sydney to Koh Samui, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Sydney to Koh Samui, as well as popular online travel agencies
In the last 7 days travelers have searched 43,369,418 times on KAYAK, and here is why:

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Cheap flight deals from Sydney to Koh Samui (SYD-USM)

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Sydney to Koh Samui that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices and deals for you by selecting your travel dates.
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6:05 pm - 8:05 amSYD-USM
17h 00m1 stop
9:00 am - 5:55 amUSM-SYD
17h 55m1 stop
$709Singapore Airlines
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周三, 7月 24 - 周四, 8月 1
6:05 pm - 8:05 amSYD-USM
17h 00m1 stop
9:00 am - 5:55 amUSM-SYD
17h 55m1 stop
$807Singapore Airlines
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周日, 7月 21 - 周四, 8月 8
11:00 am - 9:15 pmSYD-USM
13h 15m1 stop
9:00 am - 5:55 amUSM-SYD
17h 55m1 stop
$831
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周一, 7月 22 - 周六, 8月 3
9:50 am - 9:35 pmSYD-USM
14h 45m1 stop
8:45 am - 6:25 amUSM-SYD
18h 40m1 stop
$835Bangkok Airways
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周日, 9月 1 - 周三, 9月 4
9:50 am - 8:55 pmSYD-USM
14h 05m1 stop
8:45 am - 6:25 amUSM-SYD
18h 40m1 stop
$836Bangkok Airways
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周日, 9月 1 - 周三, 9月 4
9:50 am - 8:30 pmSYD-USM
13h 40m1 stop
2:35 pm - 6:25 amUSM-SYD
12h 50m1 stop
$962
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周三, 7月 24 - 周三, 8月 7
10:10 pm - 5:05 pmSYD-USM
21h 55m2 stops
8:00 am - 10:45 amUSM-SYD
23h 45m2 stops
$972China Airlines
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周五, 5月 24 - 周日, 6月 2
10:10 pm - 2:45 pmSYD-USM
19h 35m2 stops
2:35 pm - 10:45 amUSM-SYD
17h 10m2 stops
$980China Airlines
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周日, 9月 1 - 周三, 9月 4
7:35 am - 9:00 pmSYD-USM
16h 25m2 stops
10:55 am - 6:15 amUSM-SYD
16h 20m1 stop
$987Cathay Pacific
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周日, 9月 1 - 周三, 9月 4
7:35 am - 9:00 pmSYD-USM
16h 25m2 stops
10:55 am - 6:15 amUSM-SYD
16h 20m1 stop
$989Cathay Pacific
Find Deal
周日, 9月 1 - 周三, 9月 4

Flights from Sydney to Koh Samui - Travel Insights & Trends

Get data-powered insights and trends into flights from Sydney to Koh Samui to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest month to fly from Sydney to Koh Samui?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights from Sydney to Koh Samui, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.
The cheapest month for flights from Sydney to Koh Samui is February, where tickets cost $792 on average. On the other hand, the most expensive months are December and January, where the average cost of tickets is $1,292 and $1,108 respectively.

How far in advance should I book a flight from Sydney to Koh Samui?

To calculate daily average prices, KAYAK takes all prices for each day before departure over the last year for flights from Sydney to Koh Samui, removes the top 0.1% to account for outliers, and then takes the average of all the values for each month.
To get a below average price on the flight from Sydney to Koh Samui, you should book around 2 days before departure. For the absolute cheapest price, our data suggests you should book 53 days before departure.

Which airlines provide the cheapest flights from Sydney to Koh Samui?

The cheapest price for the route for each airline clicked by KAYAK users in the last 72 hours.
In the last 72 hours, the best return deals on flights connecting Sydney to Koh Samui were found on Singapore Airlines ($709) and Bangkok Airways ($835). Scoot proposed the cheapest one-way flight at $605.

Good to know

Low season

April

High season

July

Cheapest flight

$541
Best time to beat the crowds with an average 8% drop in price.
Most popular time to fly with an average 8% increase in price.
Flight from Sydney to Koh Samui

When to book flights from Sydney to Koh Samui

Are your dates flexible? Find out the best times to travel from Sydney to Koh Samui based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Sydney to Koh Samui

  • What is the cabin luggage allowance for Economy flights to Koh Samui (USM) from Sydney (SYD)?

    Your allowable cabin baggage will depend on the airline you book with. For example, Qantas and Thai Airways generally offer a 7 kg carry-on bag plus a small personal item, such as a handbag or laptop bag. Bangkok Airways usually offers a 5 kg carry-on bag and a personal item. Generally speaking, your personal item should be small enough to fit under the seat in front of you.

  • What are the stopover options between Sydney and Koh Samui?

    You’ll generally have at least one stopover before you reach Koh Samui, and some of the most common destinations include Bangkok (BKK), Ho Chi Minh City (SGN), Hong Kong (HKG) and Singapore (SIN). You’ll find plenty of itineraries with carriers like Qantas, Thai Airways and Bangkok Airways that have short stopovers, reducing your overall transit time. However, if you prefer to take a bit of time to stretch your legs between flights, itineraries with longer stops are also available.

  • What is the cheapest flight from Sydney to Koh Samui?

    In the last 3 days, the lowest price for a flight from Sydney to Koh Samui was $541 for a one-way ticket and $709 for a round-trip.

  • Do I need a passport to fly between Sydney and Koh Samui?

    A passport is required to fly from Sydney to Koh Samui.

  • Which airports will I be using when flying from Sydney to Koh Samui?

    Sydney and Koh Samui are both served by 1 main airport. You will leave Sydney from Sydney Kingsford Smith and will be arriving at Ko Samui.

  • Which aircraft models fly most regularly from Sydney to Koh Samui?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Sydney to Koh Samui?

    Star Alliance, SkyTeam, and oneworld are the airline alliances operating flights between Sydney and Koh Samui, with SkyTeam being the most commonly used for this route.

  • How does KAYAK find such low prices on flights from Sydney to Koh Samui?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Sydney to Koh Samui.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Sydney to Koh Samui?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Koh Samui from Sydney is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Sydney to Koh Samui?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Koh Samui with an airline and back to Sydney with another airline. Booking your flights between Sydney and USM can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Sydney to Koh Samui?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Koh Samui from Sydney up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Top tips for finding a cheap flight from SYD to Koh Samui

  • Sydney Airport (SYD) is a hub for Australia’s three major airlines – Qantas, Virgin and Jetstar – all of which operate both domestic and international flights. Samui International Airport (USM) features a unique, open-air layout and is a focus city for Bangkok Airways.
  • If you’d like to have a checked bag included in your fare, consider full-service carriers like Qantas, Bangkok Airways and Thai Airways, which generally offer a free 30 kg checked bag to Economy passengers. Note that low-cost carriers like Scoot often don’t include checked baggage in the Basic Economy fare.
  • If you value the additional space and Priority service of Premium Economy, look for flights with Qantas, Bangkok Airways, Singapore Airlines and Thai Airways. Note that some fares are mixed, meaning you may have a Premium Economy seat on one leg but not on another. If you want to enjoy the Premium experience all the way, you can check whether an itinerary is mixed or completely Premium when searching for flights through KAYAK.

Book cheap flights from Sydney to Koh Samui

Recent one-way flight deals

 
Only flying one-way? Below are some of the best one-way flight deals from Sydney to Koh Samui found on KAYAK in the last 72 hours.
6/6周四
3 stops
40h 45mSYD-USM
$541
6/6周四
2 stops
20h 00mSYD-USM
$565
6/6周四
1 stopScoot
14h 20mSYD-USM
$605
6/5周三
2 stops
28h 10mSYD-USM
$855
6/5周三
1 stop
29h 30mSYD-USM
$939
6/5周三
3 stops
27h 25mSYD-USM
$1,109
6/6周四
1 stopThai Airways
13h 30mSYD-USM
$1,741

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Sydney - Koh Samui Flights

Departure:

Sydney (SYD)Australia

Destination:

Koh Samui (USM)Thailand

Cabin classes:

Browse origins:

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  • Sydney

Browse destinations:

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