Currently, the most affordable month to book a WestJet flight from Calgary to Seattle in October, with an average price of C$ 302. Conversely, traveling with WestJet from Calgary to Seattle in August will be the most expensive, with an average cost of C$ 426. Various factors influence flight prices, so comparing airlines, departure airports, and times can help reduce costs.
January
C$ 446
February
C$ 461
March
C$ 578
April
C$ 563
May
C$ 435
June
C$ 491
July
C$ 559
August
C$ 582
September
C$ 555
October
C$ 413
November
C$ 428
December
C$ 485
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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