Cheap flights from Seattle to Alberta from C$ 128

The month of October is, on average, the cheapest month to fly to Alberta from Seattle, with most prices found around C$ 302. If you aren’t able to travel during the month of October, then book flights to Alberta from Seattle during April instead. Flights to Alberta in April, while not as cheap as those in October, still average around C$ 309.

The cheapest day to depart on your flight to Alberta is on a Wednesday when prices can be found for as low as C$ 296. This is often the case because there is less demand to fly during this day of the week. Flights from Seattle to Alberta on a Friday will generally be more expensive and average around C$ 531. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

According to our data, the cheapest time of day to fly to Alberta is in the morning. momondo users have found flights departing from Seattle to Alberta in the morning for as low as C$ 311. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Alberta are more costly in the afternoon, with an average ticket price of C$ 541. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

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

You are more likely to see cheaper flights to Alberta from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Alberta for around C$ 369 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Alberta from Seattle for as low as C$ 284 on momondo.

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

As of March 2026, there are 10 flights per day flying from Seattle to Alberta. The most common time of day flights depart is 3:00p.m., with 63% of flights taking off in the afternoon.

The number of flights available between Seattle and Alberta is 76 per week as of March 2026. The most frequent departure day is Tue, with 16% of weekly flights leaving on this day.