Currently, the most affordable month to book a Alaska Airlines flight from Calgary to Seattle in October, with an average price of C$ 299. Conversely, traveling with Alaska Airlines from Calgary to Seattle in March will be the most expensive, with an average cost of C$ 420. Various factors influence flight prices, so comparing airlines, departure airports, and times can help reduce costs.
January
C$ 446
February
C$ 461
March
C$ 574
April
C$ 563
May
C$ 432
June
C$ 520
July
C$ 566
August
C$ 573
September
C$ 554
October
C$ 409
November
C$ 428
December
C$ 484
SEA Temperature | 5 - 19 °C |
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If weather is an important factor for your trip to Seattle, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 19.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 5.0 C).
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