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

The average price to go to Koh Samui from London airport is $ 1081 (round trip). However, there are variations depending on the departure month. Thus, it is possible to pay for your plane ticket on average between $ 945 (in may) and $ 1361 (in august), which is a saving of $ 136 or a surplus of $ 281 (compared to the average price) depending on the period you leave.

The analysis of all prices reveals that the most frequent price is between $900 to $953 and it is generally more economical to leave on a monday and return on a monday 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 London-Koh Samui plane ticket.

How are these data calculated?

We have studied a sample of 60000 airfare prices from previous years for flights to Koh Samui from London 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

Data analysis:

By leaving in may, the price of the plane ticket will statistically be the cheapest ($ 945, saving $ 136 compared to the average price over the year which is $ 1081). Conversely, august will be the most expensive ($ 1361).

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

Month Good price* Average price Our opinion
January$ 1005 $ 1087 fair price
February$ 959 $ 1057 fair price
March$ 881 $ 957 good price
April$ 998 $ 1113 fair price
May$ 880 $ 945 very good price
June$ 880 $ 970 good price
July$ 1093 $ 1242 fair price
August$ 1174 $ 1361 very high price
September$ 873 $ 964 good price
October$ 888 $ 1033 good price
November$ 859 $ 961 good price
December$ 1073 $ 1264 fair 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 London to Koh Samui

Data analysis:

The prices for flights from London to Koh Samui range from $741 to $1482. 2% of tickets were purchased at the minimum price (from $741 to $794), 1% at the maximum price (from $1429 to $1482). The majority of plane tickets were purchased in the range of $900 to $953 (17% of tickets).

Cheapest airlines for the London->Koh Samui flight

There are 25 companies that serve London from Koh Samui airport: Etihad Airways, Wizz Air Uk, EVA Air, Cathay Pacific, Gulf Air, China Eastern, Singapore Airlines, Lufthansa, Swiss, Qatar Airways, Ryanair, Saudia, EasyJet, Austrian Airlines, British Airways, Air China, Emirates, Thai Airways, Air France, Qantas, Malaysia Airlines, Shenzhen Airlines, wizz air malta, SAS and Air India.

Data analysis:

Of the 60000 flights analyzed in previous years, Etihad Airways was the airline that offered the best fare most often in the flight ticket search results (11% of the time) on the London->Koh Samui route.

Which day of the week to leave?

Data analysis:

Statistically, London-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 $27. On the other hand, departing on a friday may cost you an additional $16.

Which day of the week to come back?

Data analysis:

Statistically, return flights from Koh Samui to London departing on a monday are cheaper than on other days of the week. By choosing a monday for your return date, you will save an average of $14. Conversely, departing from Koh Samui on a saturday may cost you an additional $27.


Top prices London-Koh Samui

Round tripDatesPrice
London → Koh Samui01-12 to 07-12-2024$ 831 
London → Koh Samui06-12 to 15-12-2024$ 837 
London → Koh Samui01-03 to 11-03-2025$ 820 
London → Koh Samui02-03 to 11-03-2025$ 802 
London → Koh Samui09-03 to 21-03-2025$ 815 
London → Koh Samui11-03 to 18-03-2025$ 822 
London → Koh Samui12-03 to 19-03-2025$ 835 
London → Koh Samui15-03 to 25-03-2025$ 772 
London → Koh Samui17-03 to 29-03-2025$ 779 
London → Koh Samui24-03 to 30-03-2025$ 795 


When to book your flight London - 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 0 to 1 month 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 London-Koh Samui flight, it is recommended to book your ticket on a sunday.

How far in advance should I buy my flight?

Data analysis:

To get the cheapest flight ticket from London to Koh Samui, it is recommended to buy it 3 to 4 months before departure (it is then on average 1031 $, which is a saving of 50 $ compared to the overall average price). On the other hand, if you buy your ticket 0 to 1 month in advance, you will pay the full price (56 $ more than the average price).

Depending on the departure month

The best time to buy your London 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: 7 to 8 months before departure (average price: 1014 $)

Other interesting period(s): 1 to 2 months ($ 1076), 4 to 5 months ($ 1082), 5 to 6 months ($ 1077), 6 to 7 months ($ 1074), 8 to 9 months ($ 1025), 9 to 10 months ($ 1086)

February

Best time: 9 to 10 months before departure (average price: 958 $)

Other interesting period(s): 2 to 3 months ($ 998), 3 to 4 months ($ 1019), 6 to 7 months ($ 1023), 8 to 9 months ($ 1002)

March

Best time: 3 to 4 months before departure (average price: 912 $)

Other interesting period(s): 4 to 5 months ($ 956), 5 to 6 months ($ 932), 6 to 7 months ($ 927), 7 to 8 months ($ 945), 9 to 10 months ($ 939), 10 to 11 months ($ 935)

April

Best time: 11 to 12 months before departure (average price: 1071 $)

Other interesting period(s): 4 to 5 months ($ 1096), 5 to 6 months ($ 1103), 7 to 8 months ($ 1098), 8 to 9 months ($ 1081), 10 to 11 months ($ 1089)

May

Best time: 2 to 3 months before departure (average price: 901 $)

Other interesting period(s): 0 to 1 month ($ 927), 1 to 2 months ($ 926), 6 to 7 months ($ 925), 7 to 8 months ($ 928), 8 to 9 months ($ 931), 9 to 10 months ($ 909)

June

Best time: 1 to 2 months before departure (average price: 867 $)

Other interesting period(s): 0 to 1 month ($ 920), 2 to 3 months ($ 945), 9 to 10 months ($ 964)

July

Best time: 1 to 2 months before departure (average price: 1109 $)

Other interesting period(s): 0 to 1 month ($ 1174), 2 to 3 months ($ 1203), 8 to 9 months ($ 1235), 9 to 10 months ($ 1211), 10 to 11 months ($ 1118), 11 to 12 months ($ 1142)

August

Best time: 1 to 2 months before departure (average price: 1140 $)

Other interesting period(s): 0 to 1 month ($ 1199), 2 to 3 months ($ 1266), 3 to 4 months ($ 1314), 8 to 9 months ($ 1318), 9 to 10 months ($ 1287), 10 to 11 months ($ 1292), 11 to 12 months ($ 1179)

September

Best time: 4 to 5 months before departure (average price: 874 $)

Other interesting period(s): 0 to 1 month ($ 924), 1 to 2 months ($ 959), 2 to 3 months ($ 925), 3 to 4 months ($ 917), 5 to 6 months ($ 930), 8 to 9 months ($ 964)

October

Best time: 3 to 4 months before departure (average price: 859 $)

Other interesting period(s): 1 to 2 months ($ 907), 2 to 3 months ($ 879), 4 to 5 months ($ 920), 5 to 6 months ($ 900), 6 to 7 months ($ 979)

November

Best time: 3 to 4 months before departure (average price: 859 $)

Other interesting period(s): 1 to 2 months ($ 943), 2 to 3 months ($ 875), 4 to 5 months ($ 901), 5 to 6 months ($ 899), 6 to 7 months ($ 897), 7 to 8 months ($ 872), 8 to 9 months ($ 916)

December

Best time: 4 to 5 months before departure (average price: 1150 $)

Other interesting period(s): 1 to 2 months ($ 1186), 2 to 3 months ($ 1205), 3 to 4 months ($ 1167), 5 to 6 months ($ 1150), 6 to 7 months ($ 1188), 7 to 8 months ($ 1222), 8 to 9 months ($ 1241)

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

Data analysis:

Statistically, sunday is the day when plane tickets for London->Koh Samui are the cheapest. So, by buying your plane ticket on a sunday, you will save $27. Conversely, by buying it on a monday, you may end up paying $30 more.



London 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
November 2024$ 928
$881 to $1046
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December 2024$ 1112
$831 to $2203
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January 2025$ 1256
$846 to $4569
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February 2025$ 961
$835 to $1359
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March 2025$ 865
$772 to $1183
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April 2025$ 1256
$837 to $4354
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May 2025$ 945
$859 to $1119
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June 2025$ 967
$875 to $1577
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July 2025$ 1083
$943 to $1677
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August 2025$ 1688
$1080 to $18706
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September 2025$ 1310
$864 to $11070
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October 2025$ 1056
$855 to $4793
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Data analysis:

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



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