WestJet flights from Calgary to Seattle (YYC - SEA)
Cheapflights users flying from Calgary to Seattle on WestJet typically fly into Seattle/Tacoma Intl and depart from Calgary. Select your dates above for pricing.
WestJet flights from Calgary to Seattle in 2025
Find detailed information about WestJet flights from Calgary to Seattle. Explore the options provided by WestJet to plan your journey from Calgary to Seattle. Data last updated 29 April 2025.
Find WestJet flight deals from Calgary to Seattle
Cheapest WestJet flights from Calgary to SeattleExplore the most affordable WestJet flight options available from Calgary to Seattle. Find the lowest fares with prices last updated on 29 April 2025.
Explore the most affordable WestJet flight options available from Calgary to Seattle. Find the lowest fares with prices last updated on 29 April 2025.
Travel insights for WestJet flights from Calgary to Seattle
Get recent, data-driven insights about WestJet flights from Calgary to Seattle including ideal travel times, pricing trends, and more.
How far ahead should I book a flight from Calgary to Seattle with WestJet?
Use this chart to determine the optimal time to book a round-trip flight from Calgary to Seattle. Price data was last updated on 25 April 2025.
Booking with WestJet 50 days in advance of your planned departure date is, on average, the best time to get cheap flights from Calgary to Seattle. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from Calgary to Seattle with WestJet?
Currently, the most affordable month to book a WestJet flight from Calgary to Seattle in September, with an average price of C$ 134. Conversely, traveling with WestJet from Calgary to Seattle in December will be the most expensive, with an average cost of C$ 298. Various factors influence flight prices, so comparing airlines, departure airports, and times can help reduce costs.
Rainfall in Seattle by month
Plan your trip to Seattle by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Seattle ranges from 18.0 - 168.0 mm per month. November is typically the wettest month, when rainfall can reach 168.0 mm. July is typically the driest time to visit Seattle when rainfall is around 18.0 mm.
Temperature in Seattle by month
Plan your trip to Seattle by taking into account the average temperature totals by month.
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).
Best time to book a flight from Calgary to Seattle
Have a flexible travel schedule? Discover the best time to fly to Seattle from Calgary with our price prediction graph.
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Fly from Calgary to Seattle on another airline
Consider alternative airlines that service the Seattle area. Flight routes are based on user searches made on Cheapflights and were last updated on 29 April 2025.
See what others are saying about WestJet
Read reviews and see what other travellers are saying about their experiences with WestJet. Get insights from real passengers regarding the airline's services, customer satisfaction, and overall travel experience. Use these reviews to inform your decision when choosing WestJet for your next flight. Reviews last updated 29 April 2025.
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