Currently, the most affordable month to book a United Airlines flight from Toronto Pearson Intl Airport to Seattle in October, with an average price of C$ 299. Conversely, traveling with United Airlines from Toronto Pearson Intl Airport to Seattle in August will be the most expensive, with an average cost of C$ 432. Various factors influence flight prices, so comparing airlines, departure airports, and times can help reduce costs.
January
C$ 451
February
C$ 460
March
C$ 578
April
C$ 575
May
C$ 437
June
C$ 489
July
C$ 570
August
C$ 590
September
C$ 553
October
C$ 408
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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