Cheap flights from Alberta to Seattle from C$ 81

If you aren’t able to travel to Seattle during the month of November, then flying in May is also cheap. Prices for this month can be found on momondo for an average of C$ 383.

Our data shows that Friday is the least expensive day to fly to Seattle. Tickets to fly out on this day can be as low as C$ 759. If your travel schedule is flexible, try to avoid departing on a Tuesday because tickets tend to average around C$ 1,828. These prices are subject to change though, so be sure to set up a Price Alert for flights to Seattle.

Our most recent data shows that the best time of day to fly to Seattle is in the afternoon. Flights from Alberta to Seattle during this time can be as low as C$ 590. Flights at noon are often more expensive with an average ticket price of C$ 1,872.

Fly from Calgary to Seattle/Tacoma Intl for the best Alberta - Seattle/Tacoma Intl flight prices

You are more likely to see cheaper flights to Seattle from Alberta when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around C$ 415 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Alberta for as low as C$ 319 on momondo.

There are 4 cabin classes available to choose from on Alberta to Seattle flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Alaska Airlines and WestJet are the most popular carriers operating from Alberta to Seattle/Tacoma Intl

WestJet, Air Canada and Alaska Airlines are the top three most popular airlines that fly to Seattle from Alberta according to our data. WestJet is the first choice among our users, with 59% of people opting to fly with this airline when travelling to Seattle. Keep in mind that there are 4 different airlines that fly to Seattle on a routine basis, so you have a few additional options to choose from.

As of November 2026, 5 flights take off from Alberta and land in Seattle each day. The most common flight departure time for this route is 9:00a.m., with 73% of daily flights taking off at noon.

As of November 2026, there are 37 flights per week flying from Alberta to Seattle. The most common day of the week flights depart is Sat, with 35% of flights taking off on this day.