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

The average price to go to Saint Lucia (Castries) from London airport is $ 898 (round trip). However, there are variations depending on the departure month. Thus, it is possible to pay for your plane ticket on average between $ 735 (in march) and $ 1205 (in december), which is a saving of $ 164 or a surplus of $ 308 (compared to the average price) depending on the period you leave.

The analysis of all the prices reveals that the most frequent price is between $654 to $709 and that it is generally more economical to leave on a monday and return on a monday on a direct flight.

Be careful, the cheapest months may correspond to unfavorable weather periods . Check out our page best time to go to Saint Lucia (Castries) 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-Saint Lucia (Castries) plane ticket.

How are these data calculated?

We have studied a sample of 60000 airfare prices from previous years for flights to Saint Lucia (Castries) 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 march, the price of the plane ticket will statistically be the cheapest ($ 735, saving $ 164 compared to the average price over the year which is $ 898). Conversely, december will be the most expensive ($ 1205).

Flight London-Saint Lucia (Castries): when is the best time to go for the best price?

Month Good price* Average price Our opinion
January$ 814 $ 883 fair price
February$ 807 $ 947 fair price
March$ 662 $ 735 very good price
April$ 764 $ 946 fair price
May$ 668 $ 746 good price
June$ 662 $ 757 good price
July$ 833 $ 1012 fair price
August$ 927 $ 1111 high price
September$ 675 $ 758 good price
October$ 705 $ 884 fair price
November$ 701 $ 793 good price
December$ 997 $ 1205 very 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 London to Saint Lucia (Castries)

Data analysis:

The prices for flights from London to Saint Lucia (Castries) range from $599 to $1362. 8% of tickets were purchased at the minimum price (from $600 to $654), 1% at the maximum price (from $1308 to $1362). The majority of plane tickets were purchased in the range of $654 to $709 (24% of tickets).

Cheapest airlines for the London->Saint Lucia flight

There are 6 companies that serve London from Saint Lucia (Castries) airport: British Airways, Virgin Atlantic, Air Canada, jetBlue, TUI and Ryanair.

Data analysis:

Of the 60000 flights analyzed in previous years, British Airways was the airline that offered the best fare most often in the flight ticket search results (74% of the time) on the London->Saint Lucia route.

Direct flight or flight with layover?

Data analysis:

To get the best price for the London-Saint Lucia (Castries) flight, you should take a direct flight (saving an average of $ 236 compared to a flight with one or more layovers).

Which day of the week to leave?

Data analysis:

Statistically, London-Saint Lucia (Castries) 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 $28. On the other hand, departing on a saturday may cost you an additional $56.

Which day of the week to come back?

Data analysis:

Statistically, return flights from Saint Lucia (Castries) 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 $32. Conversely, departing from Saint Lucia (Castries) on a saturday may cost you an additional $70.


Top prices London-Saint Lucia (Castries)

Round tripDatesPrice
London → Castries06-06 to 10-06-2024$ 668 
London → Castries09-07 to 16-07-2024$ 598 
London → Castries12-09 to 19-09-2024$ 671 
London → Castries20-09 to 28-09-2024$ 669 
London → Castries12-10 to 20-10-2024$ 669 
London → Castries02-11 to 12-11-2024$ 669 
London → Castries03-11 to 10-11-2024$ 671 
London → Castries05-11 to 12-11-2024$ 669 
London → Castries20-02 to 27-02-2025$ 669 
London → Castries11-03 to 20-03-2025$ 669 


When to book your flight London - Saint Lucia (Castries) 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 London-Saint Lucia flight, it is recommended to book your ticket on a tuesday.

How far in advance should I buy my flight?

Data analysis:

To get the cheapest flight ticket from London to Saint Lucia (Castries), it is recommended to buy it 3 to 4 months before departure (it is then on average 844 $, which is a saving of 54 $ 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 (241 $ more than the average price).

Depending on the departure month

The best time to buy your London to Saint Lucia (Castries) 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: 762 $)

Other interesting period(s): 1 to 2 months ($ 839), 2 to 3 months ($ 850), 3 to 4 months ($ 790), 4 to 5 months ($ 862), 5 to 6 months ($ 851), 6 to 7 months ($ 805)

February

Best time: 8 to 9 months before departure (average price: 833 $)

Other interesting period(s): 1 to 2 months ($ 920), 2 to 3 months ($ 894), 3 to 4 months ($ 908), 4 to 5 months ($ 851), 5 to 6 months ($ 916), 6 to 7 months ($ 929), 7 to 8 months ($ 843)

March

Best time: 10 to 11 months before departure (average price: 690 $)

Other interesting period(s): 2 to 3 months ($ 718), 3 to 4 months ($ 696), 4 to 5 months ($ 694), 5 to 6 months ($ 693), 6 to 7 months ($ 732), 7 to 8 months ($ 734), 8 to 9 months ($ 711), 9 to 10 months ($ 721)

April

Best time: 4 to 5 months before departure (average price: 871 $)

Other interesting period(s): 5 to 6 months ($ 924), 6 to 7 months ($ 885), 10 to 11 months ($ 945)

May

Best time: 8 to 9 months before departure (average price: 684 $)

Other interesting period(s): 4 to 5 months ($ 737), 5 to 6 months ($ 698), 6 to 7 months ($ 713), 7 to 8 months ($ 742), 9 to 10 months ($ 722)

June

Best time: 9 to 10 months before departure (average price: 661 $)

Other interesting period(s): 0 to 1 month ($ 704), 1 to 2 months ($ 723), 6 to 7 months ($ 736), 8 to 9 months ($ 721), 10 to 11 months ($ 711), 11 to 12 months ($ 750)

July

Best time: 2 to 3 months before departure (average price: 862 $)

Other interesting period(s): 1 to 2 months ($ 866), 3 to 4 months ($ 924), 4 to 5 months ($ 996), 6 to 7 months ($ 919), 7 to 8 months ($ 892), 8 to 9 months ($ 903), 9 to 10 months ($ 991)

August

Best time: 9 to 10 months before departure (average price: 969 $)

Other interesting period(s): 2 to 3 months ($ 1021), 3 to 4 months ($ 1058), 8 to 9 months ($ 1026), 10 to 11 months ($ 981), 11 to 12 months ($ 1043)

September

Best time: 3 to 4 months before departure (average price: 693 $)

Other interesting period(s): 1 to 2 months ($ 709), 2 to 3 months ($ 696), 4 to 5 months ($ 700), 5 to 6 months ($ 725)

October

Best time: 2 to 3 months before departure (average price: 723 $)

Other interesting period(s): 1 to 2 months ($ 748), 3 to 4 months ($ 740), 4 to 5 months ($ 749), 6 to 7 months ($ 830), 7 to 8 months ($ 860), 8 to 9 months ($ 824), 9 to 10 months ($ 820), 10 to 11 months ($ 860)

November

Best time: 1 to 2 months before departure (average price: 710 $)

Other interesting period(s): 2 to 3 months ($ 720), 3 to 4 months ($ 754), 4 to 5 months ($ 787), 5 to 6 months ($ 769), 6 to 7 months ($ 779), 7 to 8 months ($ 740), 10 to 11 months ($ 788)

December

Best time: 6 to 7 months before departure (average price: 997 $)

Other interesting period(s): 0 to 1 month ($ 1191), 1 to 2 months ($ 1083), 2 to 3 months ($ 1077), 3 to 4 months ($ 1083), 4 to 5 months ($ 1136), 5 to 6 months ($ 1108), 7 to 8 months ($ 1192), 8 to 9 months ($ 1201)

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

Data analysis:

Statistically, tuesday is the day when plane tickets for London->Saint Lucia are the cheapest. So, by buying your plane ticket on a tuesday, you will save $8. Conversely, by buying it on a thursday, you may end up paying $11 more.



London to Saint Lucia (Castries): 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
May 2024$ 1197
$404 to $2672
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June 2024$ 723
$668 to $1018
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July 2024$ 897
$598 to $1156
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August 2024$ 1115
$801 to $1690
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September 2024$ 747
$669 to $1329
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October 2024$ 813
$669 to $1159
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November 2024$ 784
$669 to $1001
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December 2024$ 1285
$748 to $2123
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January 2025$ 916
$743 to $1222
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February 2025$ 928
$669 to $1603
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March 2025$ 675
$669 to $735
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April 2025$ 1301
$684 to $1671
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Data analysis:

Compared to the average price, june, july, september, october, november, february and march are cheaper to travel to Saint Lucia (Castries). So it may be interesting to book now to leave during these months!



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