Currently, the most affordable month to book a American Airlines flight from Montreal Pierre Elliott Trudeau Intl Airport to Guatemala City in September, with an average price of C$ 430. Conversely, traveling with American Airlines from Montreal Pierre Elliott Trudeau Intl Airport to Guatemala City in December will be the most expensive, with an average cost of C$ 661. Various factors influence flight prices, so comparing airlines, departure airports, and times can help reduce costs.
January
C$ 638
February
C$ 704
March
C$ 697
April
C$ 624
May
C$ 623
June
C$ 644
July
C$ 816
August
C$ 697
September
C$ 589
October
C$ 609
November
C$ 723
December
C$ 905
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