Cheap flights from Seattle to Canada from C$ 99

In general, January is the cheapest month to fly from Seattle to Canada. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 343. If you’re not able to fly to Canada in January, then November is your next best option. Flight prices from Seattle to Canada during November average around C$ 376.

Our data shows that Wednesday is the least expensive day to fly to Canada. Tickets to fly out on this day can be as low as C$ 533. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around C$ 937. These prices are subject to change though, so be sure to set up a Price Alert for flights to Canada.

Fly from Seattle/Tacoma Intl to Vancouver Intl for the best Seattle/Tacoma Intl - Canada flight prices

You are more likely to see cheaper flights to Canada from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Canada for around C$ 522 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Canada from Seattle for as low as C$ 332 on momondo.

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

No. A direct flight is the cheapest option for a flight between Seattle to Canada.

Alaska Airlines, Delta, and United Airlines are the most popular carriers operating from Seattle/Tacoma Intl to Canada

Alaska Airlines, WestJet and Air Canada are the top three most popular airlines that fly to Canada from Seattle according to our data. Alaska Airlines is the first choice among our users, with 45% of people opting to fly with this airline when travelling to Canada. Keep in mind that there are 3 different airlines that fly to Canada on a routine basis, so you have a few additional options to choose from.

Historically, on average around 20% of flights between Seattle and Canada have experienced a delay on any given week. The average delay length over the past 12 months has been 105 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights departing in the evening have, in the past, seen delays more frequently in comparison.

Tuesday is statistically the day of the week that experiences the fewest delays on this flight route. Thursday has historically seen more delays on average compared to the rest of the week.

According to our data, Alaska Airlines has had the least delays on this route over the last 12 months, with about 15% of their flights experiencing any sort of delay.

As of March 2026, there are 85 flights per day flying from Seattle to Canada. The most common time of day flights depart is 3:00p.m., with 33% of flights taking off in the evening.

601 flights are operational weekly from Seattle to Canada as of March 2026. The most popular departure day for this route is Wed, with 15% of flights per week taking off on this day.