Cheap flights from Canada to Seattle from C$ 137
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Canada to Seattle departing on 23/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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How to get the cheapest flight ticket from Canada to Seattle
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Seattle?
If you aren’t able to travel to Seattle during the month of February, then flying in January is also cheap. Prices for this month can be found on momondo for an average of C$ 364.
What is the cheapest day to depart on your flight to Seattle?
Our data shows that Thursday is the least expensive day to fly to Seattle. Tickets to fly out on this day can be as low as C$ 551. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around C$ 720. These prices are subject to change though, so be sure to set up a Price Alert for flights to Seattle.
What is the cheapest time of day to depart on your flight to Seattle?
Our most recent data shows that the best time of day to fly to Seattle is in the evening. Flights from Canada to Seattle during this time can be as low as C$ 506. Flights in the morning are often more expensive with an average ticket price of C$ 770.
What is the cheapest Canada to Seattle/Tacoma Intl flight route?
Fly from Calgary to Seattle/Tacoma Intl for the best Canada - Seattle/Tacoma Intl flight prices
How far in advance should I book a flight to Seattle?
You are more likely to see cheaper flights to Seattle from Canada when booking 7 weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around C$ 496 when searching 7 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Canada for as low as C$ 431 on momondo.
What cabin class options are available on Canada to Seattle/Tacoma Intl flights?
There are 4 cabin classes available to choose from on Canada to Seattle/Tacoma Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from Canada to Seattle/Tacoma Intl?
WestJet, Air Canada, and United Airlines are the most popular carriers operating from Canada to Seattle/Tacoma Intl
Which airlines fly to Seattle?
WestJet, Air Canada and Alaska Airlines are the top three most popular airlines that fly to Seattle from Canada according to our data. WestJet is the first choice among our users, with 44% of people opting to fly with this airline when travelling to Seattle. Keep in mind that there are 8 different airlines that fly to Seattle on a routine basis, so you have a few additional options to choose from.
How many flights depart from Canada to Seattle on average per day?
102 flights are operational daily from Canada to Seattle as of June 2025. The most popular departure time for this route is 11:00a.m., with 42% of flights per day taking off at noon.
How many flights depart from Canada to Seattle on average per week?
As of June 2025, there are 719 flights per week flying from Canada to Seattle. The most common day of the week flights depart is Thu, with 19% of flights taking off on this day.
Cheap Canada to Seattle flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Canada to Seattle
When did momondo last update prices for flights from Canada to Seattle/Tacoma Intl Airport?
Prices for flights from Canada to Seattle/Tacoma Intl Airport refresh daily.
How many operators does momondo search for flights from Canada to Seattle/Tacoma Intl Airport?
The number of operators available for flights from Canada to Seattle/Tacoma Intl Airport is 8 as of June 2025.
How old do you have to be to fly from Canada to Seattle/Tacoma Intl Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Canada to Seattle/Tacoma Intl Airport.
What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?
The travel and health documents required for your trip to Seattle/Tacoma Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Seattle/Tacoma Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Canada to Seattle?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Canada to Seattle is Airbus A220-300 (15.89% of total bookings). The next most popular plane models are Boeing 737 MAX 8 (15.37%), Boeing 777-300ER (11.05%), and Boeing 777 (10.24%).
Best airlines flying from Canada to Seattle
Compare and see reviews for airlines that fly from Canada to Seattle with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom C$ 151 | Free Cancellation | Rating 7.2 2,868 reviews | |||
| PriceFrom C$ 174 | Free Cancellation | Rating 7.4 8,790 reviews | |||
| PriceFrom C$ 185 | Free Cancellation | Rating 8.0 7,950 reviews | |||
| PriceFrom C$ 207 | Free Cancellation | Rating 7.1 9,531 reviews | |||
| PriceFrom C$ 231 | Free Cancellation | Rating 8.0 10,000 reviews | |||
| PriceFrom C$ 303 | Free Cancellation | Rating 9.2 10 reviews | |||
| PriceFrom C$ 404 | Free Cancellation | Rating 7.8 2,494 reviews | |||
| PriceFrom C$ 524 | Free Cancellation | Rating 7.2 10,000 reviews |
Travelling to a place near Seattle?
Book flights to Seattle if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Canada to Seattle?
Finding the right flight to Seattle from Canada is quick and easy when you have a range of options in front of you, from reputable agents and recognizable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Seattle quick and easy, saving you time and money.
Can I find flights from Canada to Seattle with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for Canada to Seattle flights to just show those with flexible booking policies.
How can momondo help me find flights from Canada to Seattle?
momondo helps you find the best flight between Canada and Seattle by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.
I’m not ready to book a flight from Canada to Seattle right now. Can momondo alert me if prices change?
If you are simply researching potential flights to Seattle, momondo offers a useful price alert feature which will track prices for flights to Seattle from Canada and alert you when they change.