Statistics on Dublin-Koh Samui flights: what is the right price and when to buy your plane ticket?

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

The average price to go to Koh Samui from Dublin airport is $ 1054 (round trip). However, there are variations depending on the departure month. Thus, it is possible to pay for your plane ticket on average between $ 896 (in september) and $ 1247 (in august), which is a saving of $ 158 or a surplus of $ 194 (compared to the average price) depending on the period you leave.

The analysis of all prices reveals that the most frequent price is between $972 to $1026 and it is generally more economical to leave on a wednesday and return on a wednesday 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 Dublin-Koh Samui plane ticket.

How are these data calculated?

We have studied a sample of 32476 airfare prices from previous years for flights to Koh Samui from Dublin 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

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Data analysis:

By leaving in september, the price of the plane ticket will statistically be the cheapest ($ 896, saving $ 158 compared to the average price over the year which is $ 1054). Conversely, august will be the most expensive ($ 1247).

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

Month Good price* Average price Our opinion
January$ 959 $ 1118 fair price
February$ 934 $ 1088 fair price
March$ 860 $ 963 good price
April$ 987 $ 1146 fair price
May$ 821 $ 896 good price
June$ 829 $ 969 fair price
July$ 1064 $ 1235 high price
August$ 1045 $ 1247 very high price
September$ 801 $ 896 very good price
October$ 836 $ 933 good price
November$ 823 $ 947 good price
December$ 1006 $ 1205 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 Dublin to Koh Samui

Created with Highcharts 8.2.22%2%7%7%9%9%8%8%9%9%9%9%10%10%9%9%8%8%7%7%5%5%4%4%3%3%2%2%2%2%2%2%1%1%Percentage of plane tickets found at this price$648 to $702$702 to $756$756 to $810$810 to $864$864 to $918$918 to $972$972 to $1026$1026 to $1080$1080 to $1134$1134 to $1188$1188 to $1242$1242 to $1296$1296 to $1350$1350 to $1404$1404 to $1458$1458 to $1511$1511 to $1565024681012

Data analysis:

The prices for flights from Dublin to Koh Samui range from $648 to $1565. 2% of tickets were purchased at the minimum price (from $648 to $702), 1% at the maximum price (from $1511 to $1565). The majority of plane tickets were purchased in the range of $972 to $1026 (10% of tickets).

Cheapest airlines for the Dublin->Koh Samui flight

There are 12 companies that serve Dublin from Koh Samui airport: Qatar Airways, Ryanair, Etihad Airways, Aer Lingus, KLM, Lufthansa, Finnair, Emirates, Swiss, Turkish Airlines, Air France and IndiGo.

Created with Highcharts 8.2.2Qatar Airways: 21 %Qatar Airways: 21 %Ryanair: 16 %Ryanair: 16 %Etihad Airways: 14 %Etihad Airways: 14 %Aer Lingus: 7 %Aer Lingus: 7 %KLM: 6 %KLM: 6 %Lufthansa: 6 %Lufthansa: 6 %Finnair: 5 %Finnair: 5 %Emirates: 5 %Emirates: 5 %Swiss: 4 %Swiss: 4 %Turkish Airlines: 4 %Turkish Airlines: 4 %

Data analysis:

Of the 32476 flights analyzed in previous years, Qatar Airways was the airline that offered the best fare most often in the flight ticket search results (21% of the time) on the Dublin->Koh Samui route.

Which day of the week to leave?

Created with Highcharts 8.2.2 $ +8 $ +8 $ -17 $ -17 $ -22 $ -22 $ -36 $ -36 $ -1 $ -1 $ +24 $ +24 $ +35 $ +35Average airfare price according to the departure daya sundaya mondaya tuesdaya wednesdaya thursdaya fridaya saturday-40-2002040

Data analysis:

Statistically, Dublin-Koh Samui flights departing on a wednesday are cheaper than on other days of the week. By choosing a wednesday as your departure date, you can save an average of $36. On the other hand, departing on a saturday may cost you an additional $35.

Which day of the week to come back?

Created with Highcharts 8.2.2 $ 0 $ 0 $ -14 $ -14 $ -8 $ -8 $ -36 $ -36 $ -8 $ -8 $ +22 $ +22 $ +34 $ +34Average airfare price based on the return daya sundaya mondaya tuesdaya wednesdaya thursdaya fridaya saturday-40-2002040

Data analysis:

Statistically, return flights from Koh Samui to Dublin departing on a wednesday are cheaper than on other days of the week. By choosing a wednesday for your return date, you will save an average of $36. Conversely, departing from Koh Samui on a saturday may cost you an additional $34.

Top prices Dublin-Koh Samui

Round tripDatesPrice
Dublin → Koh Samui09-05 to 23-05-2025$ 802 
Dublin → Koh Samui12-05 to 26-05-2025$ 881 
Dublin → Koh Samui14-05 to 21-05-2025$ 861 
Dublin → Koh Samui15-05 to 29-05-2025$ 770 
Dublin → Koh Samui05-06 to 16-06-2025$ 883 
Dublin → Koh Samui23-06 to 30-06-2025$ 877 
Dublin → Koh Samui03-09 to 17-09-2025$ 869 
Dublin → Koh Samui04-10 to 16-10-2025$ 855 
Dublin → Koh Samui10-11 to 24-11-2025$ 851 
Dublin → Koh Samui18-11 to 27-11-2025$ 782 

When to book your flight Dublin - 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 Dublin-Koh Samui flight, it is recommended to book your ticket on a friday.

How far in advance should I buy my flight?

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Data analysis:

To get the cheapest flight ticket from Dublin to Koh Samui, it is recommended to buy it 3 to 4 months before departure (it is then on average 1001 $, which is a saving of 53 $ 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 (189 $ more than the average price).

Depending on the departure month

The best time to buy your Dublin 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: 8 to 9 months before departure (average price: 961 $)

Other interesting period(s): 2 to 3 months ($ 1108), 3 to 4 months ($ 1069), 4 to 5 months ($ 1044), 5 to 6 months ($ 1064), 6 to 7 months ($ 1020), 9 to 10 months ($ 996), 10 to 11 months ($ 1096)
February

Best time: 8 to 9 months before departure (average price: 896 $)

Other interesting period(s): 3 to 4 months ($ 1082), 4 to 5 months ($ 1044), 5 to 6 months ($ 1007), 6 to 7 months ($ 996), 7 to 8 months ($ 1034), 9 to 10 months ($ 965), 10 to 11 months ($ 1005)
March

Best time: 9 to 10 months before departure (average price: 877 $)

Other interesting period(s): 1 to 2 months ($ 949), 2 to 3 months ($ 962), 5 to 6 months ($ 945), 6 to 7 months ($ 909), 7 to 8 months ($ 945)
April

Best time: 6 to 7 months before departure (average price: 1068 $)

Other interesting period(s): 0 to 1 month ($ 1110), 1 to 2 months ($ 1125), 10 to 11 months ($ 1115)
May

Best time: 3 to 4 months before departure (average price: 865 $)

Other interesting period(s): 1 to 2 months ($ 868)
June

Best time: 2 to 3 months before departure (average price: 889 $)

Other interesting period(s): 1 to 2 months ($ 908), 3 to 4 months ($ 894), 4 to 5 months ($ 942), 5 to 6 months ($ 951), 6 to 7 months ($ 951), 7 to 8 months ($ 952), 8 to 9 months ($ 958), 9 to 10 months ($ 919)
July

Best time: 3 to 4 months before departure (average price: 1085 $)

Other interesting period(s): 1 to 2 months ($ 1180), 2 to 3 months ($ 1140), 7 to 8 months ($ 1224), 8 to 9 months ($ 1191)
August

Best time: 3 to 4 months before departure (average price: 1107 $)

Other interesting period(s): 1 to 2 months ($ 1215), 2 to 3 months ($ 1200), 4 to 5 months ($ 1172), 9 to 10 months ($ 1246)
September

Best time: 9 to 10 months before departure (average price: 847 $)

Other interesting period(s): 1 to 2 months ($ 889), 2 to 3 months ($ 863), 3 to 4 months ($ 863), 4 to 5 months ($ 851), 5 to 6 months ($ 853), 6 to 7 months ($ 886), 8 to 9 months ($ 883)
October

Best time: 4 to 5 months before departure (average price: 862 $)

Other interesting period(s): 2 to 3 months ($ 921), 3 to 4 months ($ 897), 5 to 6 months ($ 898), 6 to 7 months ($ 914), 7 to 8 months ($ 914), 8 to 9 months ($ 933), 9 to 10 months ($ 931)
November

Best time: 7 to 8 months before departure (average price: 830 $)

Other interesting period(s): 2 to 3 months ($ 930), 3 to 4 months ($ 903), 4 to 5 months ($ 927), 5 to 6 months ($ 867), 6 to 7 months ($ 879), 8 to 9 months ($ 920), 9 to 10 months ($ 932)
December

Best time: 7 to 8 months before departure (average price: 1077 $)

Other interesting period(s): 1 to 2 months ($ 1202), 2 to 3 months ($ 1178), 3 to 4 months ($ 1166), 4 to 5 months ($ 1149), 6 to 7 months ($ 1139), 8 to 9 months ($ 1156)

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

Created with Highcharts 8.2.2 $ -5 $ -5 $ 0 $ 0 $ +6 $ +6 $ -2 $ -2 $ -4 $ -4 $ -6 $ -6 $ +18 $ +18Average price of plane ticket according to the booking daysundaymondaytuesdaywednesdaythursdayfridaysaturday-10-505101520

Data analysis:

Statistically, friday is the day when plane tickets for Dublin->Koh Samui are the cheapest. So, by buying your plane ticket on a friday, you will save $6. Conversely, by buying it on a saturday, you may end up paying $18 more.

Dublin 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$ 1407
$1070 to $1787		Find a flight
May 2025$ 906
$739 to $1065		Find a flight
June 2025$ 1023
$819 to $1160		Find a flight
July 2025$ 1328
$1019 to $1616		Find a flight
August 2025$ 1421
$1250 to $1585		Find a flight
September 2025$ 957
$791 to $1037		Find a flight
October 2025$ 1047
$855 to $1315		Find a flight
November 2025$ 993
$782 to $1220		Find a flight
December 2025$ 1551
$1041 to $2169		Find a flight
January 2026$ 1219
$930 to $1627		Find a flight
February 2026$ 1190
$1014 to $1455		Find a flight
March 2026$ 2975
$1014 to $4936		Find a flight

Data analysis:

Compared to the average price, no month is currently cheaper. We therefore advise you to wait for prices to drop before booking your flight to Koh Samui.

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