Statistics on Calgary-Saint Lucia (Castries) 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 Saint Lucia (Castries) (from: Calgary)

The average price to go to Saint Lucia (Castries) from Calgary airport is $ 878 (round trip). However, there are variations depending on the departure month. Thus, it is possible to pay for your plane ticket on average between $ 696 (in april) and $ 1113 (in october), which is a saving of $ 183 or a surplus of $ 236 (compared to the average price) depending on the period you leave.

The analysis of all prices reveals that the most frequent price is between $542 to $597 and it is generally more economical to leave on a wednesday and return on a sunday 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 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 Calgary-Saint Lucia (Castries) plane ticket.

How are these data calculated?

We have studied a sample of 3218 airfare prices from previous years for flights to Saint Lucia (Castries) from Calgary 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 $802 $802 $810 $810 $955 $955 $696 $696 $922 $922 $834 $834 $818 $818 $1035 $1035 $845 $845 $1113 $1113 $824 $824 $880 $880Average price of round-trip airfare in USD according to the departure monthjan.feb.mar.apr.mayjun.jul.aug.sep.oct.nov.dec.500600700800900100011001200

Data analysis:

By leaving in april, the price of the plane ticket will statistically be the cheapest ($ 696, saving $ 183 compared to the average price over the year which is $ 878). Conversely, october will be the most expensive ($ 1113).

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

Month Good price* Average price Our opinion
January$ 629 $ 802 good price
February$ 658 $ 810 good price
March$ 749 $ 955 fair price
April$ 567 $ 696 very good price
May$ 670 $ 922 fair price
June$ 574 $ 834 fair price
July$ 587 $ 818 fair price
August$ 685 $ 1035 high price
September$ 591 $ 845 fair price
October$ 702 $ 1113 very high price
November$ 638 $ 824 fair price
December$ 645 $ 880 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 Calgary to Saint Lucia (Castries)

Created with Highcharts 8.2.21%1%2%2%7%7%8%8%9%9%8%8%9%9%7%7%6%6%6%6%5%5%5%5%4%4%3%3%3%3%2%2%3%3%2%2%1%1%Percentage of plane tickets found at this price$326 to $380$380 to $434$434 to $488$488 to $542$542 to $597$597 to $651$651 to $705$705 to $759$759 to $813$813 to $867$867 to $922$922 to $976$976 to $1030$1030 to $1084$1084 to $1138$1138 to $1193$1193 to $1247$1247 to $1301$1301 to $13550246810

Data analysis:

The prices for flights from Calgary to Saint Lucia (Castries) range from $325 to $1355. 1% of tickets were purchased at the minimum price (from $326 to $380), 1% at the maximum price (from $1301 to $1355). The majority of plane tickets were purchased in the range of $651 to $705 (9% of tickets).

Cheapest airlines for the Calgary->Saint Lucia flight

There are 7 companies that serve Calgary from Saint Lucia (Castries) airport: Air Canada, WestJet, Iberia, Delta, Kish Airline, United and flair airlines.

Created with Highcharts 8.2.2Air Canada: 41 %Air Canada: 41 %WestJet: 34 %WestJet: 34 %Iberia: 6 %Iberia: 6 %Delta: 3 %Delta: 3 %Kish Airline: 3 %Kish Airline: 3 %United: 3 %United: 3 %flair airlines: 2 %flair airlines: 2 %

Data analysis:

Of the 3218 flights analyzed in previous years, Air Canada was the airline that offered the best fare most often in the flight ticket search results (41% of the time) on the Calgary->Saint Lucia route.

Which day of the week to leave?

Created with Highcharts 8.2.2 $ +36 $ +36 $ +30 $ +30 $ -30 $ -30 $ -60 $ -60 $ +10 $ +10 $ +32 $ +32 $ +56 $ +56Average airfare price according to the departure daya sundaya mondaya tuesdaya wednesdaya thursdaya fridaya saturday-75-50-250255075

Data analysis:

Statistically, Calgary-Saint Lucia (Castries) 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 $60. On the other hand, departing on a saturday may cost you an additional $56.

Which day of the week to come back?

Created with Highcharts 8.2.2 $ -74 $ -74 $ +43 $ +43 $ -22 $ -22 $ -44 $ -44 $ -23 $ -23 $ -20 $ -20 $ +209 $ +209Average airfare price based on the return daya sundaya mondaya tuesdaya wednesdaya thursdaya fridaya saturday-100-50050100150200250

Data analysis:

Statistically, return flights from Saint Lucia (Castries) to Calgary departing on a sunday are cheaper than on other days of the week. By choosing a sunday for your return date, you will save an average of $74. Conversely, departing from Saint Lucia (Castries) on a saturday may cost you an additional $209.

Top prices Calgary-Saint Lucia (Castries)

Round tripDatesPrice
Calgary → Castries16-06 to 26-06-2025$ 449 
Calgary → Castries17-06 to 26-06-2025$ 449 
Calgary → Castries04-07 to 15-07-2025$ 482 
Calgary → Castries05-07 to 15-07-2025$ 482 
Calgary → Castries06-07 to 15-07-2025$ 482 
Calgary → Castries12-07 to 20-07-2025$ 519 
Calgary → Castries19-07 to 25-07-2025$ 614 
Calgary → Castries23-07 to 29-07-2025$ 534 
Calgary → Castries01-08 to 07-08-2025$ 502 
Calgary → Castries19-08 to 26-08-2025$ 448 

When to book your flight Calgary - Saint Lucia (Castries) to get the cheapest price?

Statistically, you will make the biggest savings by buying your plane ticket between 5 to 6 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 Calgary-Saint Lucia flight, it is recommended to book your ticket on a wednesday.

How far in advance should I buy my flight?

Created with Highcharts 8.2.2 $940 $940 $813 $813 $815 $815 $884 $884 $921 $921 $805 $805 $897 $897 $838 $838 $935 $935Average 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 months7007508008509009501000

Data analysis:

To get the cheapest flight ticket from Calgary to Saint Lucia (Castries), it is recommended to buy it 5 to 6 months before departure (it is then on average 805 $, which is a saving of 73 $ 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 (62 $ more than the average price).

Depending on the departure month

The best time to buy your Calgary 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: 1 to 2 months before departure (average price: 707 $)
February

Best time: 2 to 3 months before departure (average price: 706 $)
March

Best time: 1 to 2 months before departure (average price: 856 $)
April

Best time: 2 to 3 months before departure (average price: 633 $)

Other interesting period(s): 1 to 2 months ($ 671)
May

Best time: 2 to 3 months before departure (average price: 898 $)
June

Best time: 3 to 4 months before departure (average price: 662 $)
July

Best time: 4 to 5 months before departure (average price: 632 $)
August-
September

Best time: 0 to 1 month before departure (average price: 719 $)
October

Best time: 1 to 2 months before departure (average price: 872 $)
November

Best time: 3 to 4 months before departure (average price: 785 $)

Other interesting period(s): 1 to 2 months ($ 810)
December

Best time: 1 to 2 months before departure (average price: 776 $)

Other interesting period(s): 0 to 1 month ($ 787), 5 to 6 months ($ 815)

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

Created with Highcharts 8.2.2 $ -7 $ -7 $ +27 $ +27 $ -15 $ -15 $ -39 $ -39 $ +87 $ +87 $ -26 $ -26 $ -24 $ -24Average price of plane ticket according to the booking daysundaymondaytuesdaywednesdaythursdayfridaysaturday-50-250255075100

Data analysis:

Statistically, wednesday is the day when plane tickets for Calgary->Saint Lucia are the cheapest. So, by buying your plane ticket on a wednesday, you will save $39. Conversely, by buying it on a thursday, you may end up paying $87 more.

Calgary 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
April 2025$ 660
$660 to $660		Find a flight
May 2025$ 859
$826 to $890		Find a flight
June 2025$ 652
$341 to $1066		Find a flight
July 2025$ 719
$367 to $1126		Find a flight
August 2025$ 587
$448 to $739		Find a flight
November 2025$ 1005
$1005 to $1005		Find a flight
December 2025$ 1037
$840 to $1340		Find a flight
January 2026$ 874
$853 to $916		Find a flight
February 2026$ 985
$974 to $995		Find a flight

Data analysis:

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

Change currency