Best time to go: what is the RIGHT price for a round-trip flight to Koh Samui (from: Melbourne)

The average price to go to Koh Samui from Melbourne airport is $ 672 (round trip). However, there are variations depending on the departure month. Thus, it is possible to pay for your plane ticket on average between $ 542 (in may) and $ 907 (in january), which is a saving of $ 131 or a surplus of $ 235 (compared to the average price) depending on the period you leave.

The analysis of all prices reveals that the most frequent price is between $498 to $553 and it is generally more economical to leave on a monday and return on a thursday on a flight with 1 or more layovers.

Be careful, the cheapest months may correspond to unfavorable weather periods . Check out our page best time to go to Koh Samui before booking your flight.

If you want to know when to book your flight at the best price, go straight to the second part of this page: When to buy your Melbourne-Koh Samui plane ticket.

How are these data calculated?

We have studied a sample of 60100 airfare prices from previous years for flights to Koh Samui from Melbourne and can thus establish precise and credible price variation trends based on different parameters. Of course, prices can vary from year to year, but the seasonal aspect of this data (recurrence of school holidays, events... from year to year) makes these statistics quite reliable.

Average price depending on the departure month

Created with Highcharts 8.2.2 $907 $907 $662 $662 $583 $583 $738 $738 $542 $542 $613 $613 $706 $706 $612 $612 $645 $645 $575 $575 $585 $585 $897 $897Average price of round-trip airfare in USD according to the departure monthjan.feb.mar.apr.mayjun.jul.aug.sep.oct.nov.dec.4005006007008009001000

Data analysis:

By leaving in may, the price of the plane ticket will statistically be the cheapest ($ 542, saving $ 131 compared to the average price over the year which is $ 672). Conversely, january will be the most expensive ($ 907).

Flight Melbourne-Koh Samui: when is the best time to go for the best price?

Month Good price* Average price Our opinion
January$ 803 $ 907 very high price
February$ 553 $ 662 fair price
March$ 479 $ 583 good price
April$ 660 $ 738 fair price
May$ 470 $ 542 very good price
June$ 523 $ 613 good price
July$ 618 $ 706 fair price
August$ 517 $ 612 good price
September$ 546 $ 645 good price
October$ 506 $ 575 good price
November$ 523 $ 585 good price
December$ 764 $ 897 high price

*great price to buy your plane ticket: if you see this price or cheaper during your flight search, go for it and buy it!

Price breakdown to travel from Melbourne to Koh Samui

Created with Highcharts 8.2.26%6%11%11%16%16%16%16%13%13%10%10%7%7%5%5%4%4%3%3%2%2%2%2%1%1%Percentage of plane tickets found at this price$387 to $443$443 to $498$498 to $553$553 to $608$608 to $664$664 to $719$719 to $774$774 to $829$829 to $885$885 to $940$940 to $995$995 to $1050$1050 to$110605101520

Data analysis:

The prices for flights from Melbourne to Koh Samui range from $387 to $1106. 6% of tickets were purchased at the minimum price (from $387 to $443), 1% at the maximum price (from $1050 to $1106). The majority of plane tickets were purchased in the range of $553 to $608 (16% of tickets).

Cheapest airlines for the Melbourne->Koh Samui flight

There are 7 companies that serve Melbourne from Koh Samui airport: Scoot, Jetstar, Airasia X, Vietjet Air, Malindo Air, Thai Airways and Qantas.

Created with Highcharts 8.2.2Scoot: 66 %Scoot: 66 %Jetstar: 14 %Jetstar: 14 %Airasia X: 10 %Airasia X: 10 %Vietjet Air: 3 %Vietjet Air: 3 %Malindo Air: 1 %Malindo Air: 1 %Thai Airways: 1 %Thai Airways: 1 %Qantas: 1 %Qantas: 1 %

Data analysis:

Of the 60100 flights analyzed in previous years, Scoot was the airline that offered the best fare most often in the flight ticket search results (66% of the time) on the Melbourne->Koh Samui route.

Which day of the week to leave?

Created with Highcharts 8.2.2 $ +2 $ +2 $ -16 $ -16 $ +2 $ +2 $ -1 $ -1 $ +13 $ +13 $ +12 $ +12 $ -2 $ -2Average airfare price according to the departure daya sundaya mondaya tuesdaya wednesdaya thursdaya fridaya saturday-20-15-10-5051015

Data analysis:

Statistically, Melbourne-Koh Samui flights departing on a monday are cheaper than on other days of the week. By choosing a monday as your departure date, you can save an average of $16. On the other hand, departing on a thursday may cost you an additional $13.

Which day of the week to come back?

Created with Highcharts 8.2.2 $ +7 $ +7 $ -5 $ -5 $ -5 $ -5 $ -5 $ -5 $ -23 $ -23 $ +13 $ +13 $ +15 $ +15Average airfare price based on the return daya sundaya mondaya tuesdaya wednesdaya thursdaya fridaya saturday-30-20-1001020

Data analysis:

Statistically, return flights from Koh Samui to Melbourne departing on a thursday are cheaper than on other days of the week. By choosing a thursday for your return date, you will save an average of $23. Conversely, departing from Koh Samui on a saturday may cost you an additional $15.


Top prices Melbourne-Koh Samui

Round tripDatesPrice
Melbourne → Koh Samui13-05 to 20-05-2025$ 395 
Melbourne → Koh Samui19-05 to 25-05-2025$ 394 
Melbourne → Koh Samui02-06 to 16-06-2025$ 394 
Melbourne → Koh Samui10-10 to 24-10-2025$ 392 
Melbourne → Koh Samui11-10 to 18-10-2025$ 392 
Melbourne → Koh Samui14-10 to 23-10-2025$ 392 
Melbourne → Koh Samui23-10 to 31-10-2025$ 394 
Melbourne → Koh Samui24-10 to 31-10-2025$ 388 
Melbourne → Koh Samui08-11 to 13-11-2025$ 404 
Melbourne → Koh Samui10-11 to 20-11-2025$ 388 


When to book your flight Melbourne - Koh Samui to get the cheapest price?

Statistically, you will make the biggest savings by buying your plane ticket between 3 to 4 months in advance. However, you may end up paying a high price if you book between 11 to 12 months in advance.

Did you know: the price of plane tickets not only varies depending on how far in advance you book, but also on the day of the week you book! So, to maximize your chances of getting the best price for a Melbourne-Koh Samui flight, it is recommended to book your ticket on a tuesday.

How far in advance should I buy my flight?

Created with Highcharts 8.2.2 $759 $759 $657 $657 $645 $645 $643 $643 $660 $660 $678 $678 $690 $690 $670 $670 $661 $661 $661 $661 $689 $689 $819 $819Average airfare price based on the number of months between booking and flight0 to 1 month1 to 2 months2 to 3 months3 to 4 months4 to 5 months5 to 6 months6 to 7 months7 to 8 months8 to 9 months9 to 10 months10 to 11 months11 to 12 months500550600650700750800850

Data analysis:

To get the cheapest flight ticket from Melbourne to Koh Samui, it is recommended to buy it 3 to 4 months before departure (it is then on average 643 $, which is a saving of 29 $ compared to the overall average price). On the other hand, if you buy your ticket 11 to 12 months in advance, you will pay the full price (147 $ more than the average price).

Depending on the departure month

The best time to buy your Melbourne to Koh Samui flight ticket may vary depending on your departure month. Therefore, we offer you statistics on when to book your flight month by month.

Departure on... How far in advance should I book?
January

Best time: 9 to 10 months before departure (average price: 773 $)

Other interesting period(s): 1 to 2 months ($ 894), 3 to 4 months ($ 888), 4 to 5 months ($ 900), 8 to 9 months ($ 791), 10 to 11 months ($ 835), 11 to 12 months ($ 806)

February

Best time: 9 to 10 months before departure (average price: 565 $)

Other interesting period(s): 2 to 3 months ($ 624), 5 to 6 months ($ 628), 6 to 7 months ($ 659), 7 to 8 months ($ 649), 8 to 9 months ($ 644), 10 to 11 months ($ 644)

March

Best time: 3 to 4 months before departure (average price: 527 $)

Other interesting period(s): 2 to 3 months ($ 531), 4 to 5 months ($ 543), 5 to 6 months ($ 572), 8 to 9 months ($ 563), 9 to 10 months ($ 559)

April

Best time: 3 to 4 months before departure (average price: 658 $)

Other interesting period(s): 0 to 1 month ($ 724), 1 to 2 months ($ 722), 2 to 3 months ($ 723), 4 to 5 months ($ 711)

May

Best time: 6 to 7 months before departure (average price: 508 $)

Other interesting period(s): 2 to 3 months ($ 542), 3 to 4 months ($ 518), 4 to 5 months ($ 518), 5 to 6 months ($ 510), 7 to 8 months ($ 536), 8 to 9 months ($ 534)

June

Best time: 3 to 4 months before departure (average price: 522 $)

Other interesting period(s): 1 to 2 months ($ 581), 2 to 3 months ($ 562), 4 to 5 months ($ 560), 5 to 6 months ($ 578), 6 to 7 months ($ 610), 7 to 8 months ($ 574)

July

Best time: 3 to 4 months before departure (average price: 626 $)

Other interesting period(s): 2 to 3 months ($ 658), 4 to 5 months ($ 668), 5 to 6 months ($ 683), 6 to 7 months ($ 691), 7 to 8 months ($ 686), 10 to 11 months ($ 639)

August

Best time: 4 to 5 months before departure (average price: 583 $)

Other interesting period(s): 1 to 2 months ($ 585), 2 to 3 months ($ 608), 3 to 4 months ($ 588), 5 to 6 months ($ 592), 6 to 7 months ($ 589), 8 to 9 months ($ 602)

September

Best time: 2 to 3 months before departure (average price: 577 $)

Other interesting period(s): 1 to 2 months ($ 614), 3 to 4 months ($ 634), 4 to 5 months ($ 584), 5 to 6 months ($ 586), 6 to 7 months ($ 588), 7 to 8 months ($ 633), 9 to 10 months ($ 631), 10 to 11 months ($ 636)

October

Best time: 7 to 8 months before departure (average price: 518 $)

Other interesting period(s): 1 to 2 months ($ 553), 2 to 3 months ($ 551), 3 to 4 months ($ 530), 4 to 5 months ($ 554), 5 to 6 months ($ 543), 6 to 7 months ($ 521)

November

Best time: 2 to 3 months before departure (average price: 553 $)

Other interesting period(s): 1 to 2 months ($ 556), 3 to 4 months ($ 553), 4 to 5 months ($ 570), 6 to 7 months ($ 553), 9 to 10 months ($ 576)

December

Best time: 9 to 10 months before departure (average price: 805 $)

Other interesting period(s): 1 to 2 months ($ 869), 2 to 3 months ($ 878), 6 to 7 months ($ 883), 7 to 8 months ($ 825), 8 to 9 months ($ 813), 10 to 11 months ($ 847)

What day of the week should I book my flight ticket?

Created with Highcharts 8.2.2 $ +6 $ +6 $ +8 $ +8 $ -9 $ -9 $ 0 $ 0 $ +2 $ +2 $ +7 $ +7 $ -3 $ -3Average price of plane ticket according to the booking daysundaymondaytuesdaywednesdaythursdayfridaysaturday-10-50510

Data analysis:

Statistically, tuesday is the day when plane tickets for Melbourne->Koh Samui are the cheapest. So, by buying your plane ticket on a tuesday, you will save $9. Conversely, by buying it on a monday, you may end up paying $8 more.



Melbourne to Koh Samui: flight price when booking today

Information: this data is not statistics but comes from real prices collected less than 7 days ago. Some months may not be available as we do not have enough data for them.

Month Current price
April 2025$ 848
$636 to $1090
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May 2025$ 427
$383 to $502
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June 2025$ 528
$394 to $1867
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July 2025$ 617
$447 to $750
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August 2025$ 584
$414 to $4169
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September 2025$ 510
$423 to $630
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October 2025$ 477
$388 to $1698
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November 2025$ 591
$388 to $2989
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December 2025$ 720
$588 to $880
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January 2026$ 784
$623 to $920
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February 2026$ 541
$500 to $652
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March 2026$ 687
$592 to $822
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Data analysis:

Compared to the average price, may, june, july, august, september, october, december, january and february are cheaper to travel to Koh Samui. So it may be interesting to book now to leave during these months!



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