Cheap flights from Calgary 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 Calgary 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 Calgary 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 August, then flying in September is also cheap. Prices for this month can be found on momondo for an average of C$ 234.
What is the cheapest day to depart on your flight to Seattle?
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$ 516. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around C$ 1,729. 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 Calgary to Seattle during this time can be as low as C$ 337. Flights at noon are often more expensive with an average ticket price of C$ 1,711.
What is the cheapest Calgary to Seattle/Tacoma Intl flight route?
Fly from Calgary to Seattle/Tacoma Intl for the best Calgary - 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 Calgary when booking 12 weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around C$ 302 when searching 12 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Calgary for as low as C$ 224 on momondo.
What cabin class options are available on Calgary to Seattle/Tacoma Intl flights?
There are 4 cabin classes available to choose from on Calgary 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 Calgary to Seattle/Tacoma Intl?
WestJet, Air Canada, and United Airlines are the most popular carriers operating from Calgary to Seattle/Tacoma Intl
Which airlines fly to Seattle?
WestJet, Alaska Airlines and Air Canada are the top three most popular airlines that fly to Seattle from Calgary according to our data. WestJet is the first choice among our users, with 77% of people opting to fly with this airline when travelling to Seattle. Keep in mind that there are 5 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 Calgary to Seattle on average per day?
11 flights are operational daily from Calgary to Seattle as of June 2025. The most popular departure time for this route is 11:00a.m., with 56% of flights per day taking off at noon.
How many flights depart from Calgary to Seattle on average per week?
The number of flights available between Calgary and Seattle is 79 per week as of June 2025. The most frequent departure day is Thu, with 19% of weekly flights leaving on this day.
When to book flights from Calgary to Seattle
Cheap Calgary to Seattle (YYC to SEA) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Calgary to Seattle
How far is Calgary to Seattle/Tacoma Intl by plane?
Calgary and Seattle/Tacoma Intl are 709.5 km apart from one another. A reasonable flight in good conditions will take 1h 50m.
When did momondo last update prices for flights from Calgary Airport to Seattle/Tacoma Intl Airport?
Prices for flights from Calgary Airport to Seattle/Tacoma Intl Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Calgary Airport to Seattle/Tacoma Intl Airport?
There are 5 operators available for flights from Calgary Airport to Seattle/Tacoma Intl Airport as of June 2025.
How old do you have to be to fly from Calgary Airport 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 Calgary Airport 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 Calgary to Seattle?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Calgary to Seattle is Boeing 737 MAX 8 (28.44% of total bookings). The next most popular plane models are Boeing 737-800 Passenger/BBJ2 (winglets) (19.79%), De Havilland (Bombardier) DHC-8-400 Dash 8Q (16.17%), and Embraer 175 (12.77%).
What is the most popular airline from Calgary to Seattle?
momondo data reveals that the most frequently booked airline on the route from Calgary to Seattle is WestJet, representing 77% of all bookings. The subsequent popular airlines are Alaska Airlines at 12%, Air Canada at 10%, and United Airlines at 1%.
Best airlines flying from Calgary to Seattle
Compare and see reviews for airlines that fly from Calgary to Seattle with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom C$ 151 | Free Cancellation | Rating 7.2 2,868 reviews | |||
| PriceFrom C$ 178 | Free Cancellation | Rating 7.4 8,790 reviews | |||
| PriceFrom C$ 200 | Free Cancellation | Rating 8.0 7,946 reviews | |||
| PriceFrom C$ 234 | Free Cancellation | Rating 8.0 10,000 reviews | |||
| PriceFrom C$ 240 | Free Cancellation | Rating 7.1 9,537 reviews |
Delta Flights From Calgary to Seattle
The lowest priced Delta flight from Calgary to Seattle from the last 72 hours was C$ 146. Generally, Delta has 12 flights on this route every week with an average price of C$ 242. Delta is rated 8.0/10 by our users.
Alaska Airlines Flights From Calgary to Seattle
C$ 171 is the best Alaska Airlines flight deal from Calgary to Seattle found on momondo over the last 72 hours. The average Alaska Airlines ticket price found was closer to C$ 286, however, with flight time and availability significantly affecting the price. Alaska Airlines (8.0/10 from 10,000 user reviews) flies into Seattle from Calgary 3 times in an average week so prices can vary.
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 Calgary to Seattle?
Finding the right flight to Seattle from Calgary 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 Calgary to Seattle with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to Seattle from Calgary with this policy.
How can momondo help me find flights from Calgary to Seattle?
momondo helps you find the best flight between Calgary 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 Calgary to Seattle right now. Can momondo alert me if prices change?
If you are not ready to book a flight from Calgary to Seattle now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Seattle and let you know when they change.