Currently, the most affordable month to book a Air Canada flight from Toronto Pearson Intl Airport to Castries in December, with an average price of C$ 339. Conversely, traveling with Air Canada from Toronto Pearson Intl Airport to Castries in July will be the most expensive, with an average cost of C$ 693. Various factors influence flight prices, so comparing airlines, departure airports, and times can help reduce costs.
January
C$ 723
February
C$ 873
March
C$ 769
April
C$ 680
May
C$ 506
June
C$ 700
July
C$ 954
August
C$ 683
September
C$ 578
October
C$ 577
November
C$ 667
December
C$ 467
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