$98 Cheap Flights from Calgary (YYC) to Seattle (SEA)

View $98 flight on Thu, Oct 23, 2025Opens in a new window

Popular airlines from Calgary International Airport (YYC) to Seattle-Tacoma International Airport (SEA)

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Cheap Flights from Calgary to Seattle (YYC-SEA)

Prices were available within the past 7 days and start at $98 for one-way flights and $148 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

WestJet
Wed, Oct 22 - Sat, Oct 25
YYC
Calgary
SEA
Seattle
$148 Roundtrip, found 6 hours ago
$148
Roundtrip
found 6 hours ago
Select WestJet flight, departing Wed, Oct 22 from Calgary to Seattle, returning Sat, Oct 25, priced at $148 found 6 hours ago
WestJet
Tue, Oct 21 - Wed, Oct 22
YYC
Calgary
SEA
Seattle
$150 Roundtrip, found 3 days ago
$150
Roundtrip
found 3 days ago
Select WestJet flight, departing Tue, Oct 21 from Calgary to Seattle, returning Wed, Oct 22, priced at $150 found 3 days ago
Alaska Airlines
Thu, Oct 23 - Fri, Oct 24
YYC
Calgary
SEA
Seattle
$150 Roundtrip, found 5 hours ago
$150
Roundtrip
found 5 hours ago
Select Alaska Airlines flight, departing Thu, Oct 23 from Calgary to Seattle, returning Fri, Oct 24, priced at $150 found 5 hours ago
WestJet
Tue, Oct 21 - Tue, Oct 28
YYC
Calgary
SEA
Seattle
$158 Roundtrip, found 5 hours ago
$158
Roundtrip
found 5 hours ago
Select WestJet flight, departing Tue, Oct 21 from Calgary to Seattle, returning Tue, Oct 28, priced at $158 found 5 hours ago
WestJet
Mon, Oct 20 - Fri, Oct 31
YYC
Calgary
SEA
Seattle
$160 Roundtrip, found 6 days ago
$160
Roundtrip
found 6 days ago
Select WestJet flight, departing Mon, Oct 20 from Calgary to Seattle, returning Fri, Oct 31, priced at $160 found 6 days ago
Air Canada
Thu, Oct 23 - Sat, Oct 25
YYC
Calgary
SEA
Seattle
$161 Roundtrip, just found
$161
Roundtrip
just found
Select Air Canada flight, departing Thu, Oct 23 from Calgary to Seattle, returning Sat, Oct 25, priced at $161 just found
WestJet
Tue, Oct 21 - Fri, Oct 24
YYC
Calgary
SEA
Seattle
$163 Roundtrip, found 1 day ago
$163
Roundtrip
found 1 day ago
Select WestJet flight, departing Tue, Oct 21 from Calgary to Seattle, returning Fri, Oct 24, priced at $163 found 1 day ago
WestJet
Tue, Oct 21 - Fri, Oct 24
YYC
Calgary
SEA
Seattle
$164 Roundtrip, found 1 day ago
$164
Roundtrip
found 1 day ago
Select WestJet flight, departing Tue, Oct 21 from Calgary to Seattle, returning Fri, Oct 24, priced at $164 found 1 day ago
United
Thu, Oct 23 - Sat, Oct 25
YYC
Calgary
SEA
Seattle
$171 Roundtrip, just found
$171
Roundtrip
just found
Select United flight, departing Thu, Oct 23 from Calgary to Seattle, returning Sat, Oct 25, priced at $171 just found
American Airlines
Thu, Jan 22 - Tue, Jan 27
YYC
Calgary
SEA
Seattle
$292 Roundtrip, found 1 day ago
$292
Roundtrip
found 1 day ago
Select American Airlines flight, departing Thu, Jan 22 from Calgary to Seattle, returning Tue, Jan 27, priced at $292 found 1 day ago

Find the cheapest month to fly from Calgary (YYC) to Seattle (SEA)

October is typically the cheapest month to fly

From $142 - $305 per traveler.

Alternative airports near Seattle

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Seattle - Tacoma Intl. SEA. Cheapest option available. Average driving time to city center is 20 minutes. Flights from $238
SEA
Seattle - Tacoma Intl.
Cheapest
Average driving time to city center20 min
Flights from $238

Frequently asked questions

How much does a flight from Calgary Intl. Airport (YYC) to Seattle - Tacoma Intl. Airport (SEA) cost?
Secure a cheap one-way flight from $98 or cheap return flight from $148 from Calgary Intl. Airport (YYC) to Seattle - Tacoma Intl. Airport (SEA) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Calgary Intl. Airport (YYC) to Seattle - Tacoma Intl. Airport (SEA)?
The cheapest month to fly from YYC to SEA is October, when there's less demand. Off-peak season is typically when you'll find cheap fares for travel between these airports.
Which airlines fly direct from Calgary Intl. Airport (YYC) to Seattle - Tacoma Intl. Airport (SEA)?
Board a nonstop flight with Alaska Airlines and fly straight from Calgary Intl. Airport (YYC) to Seattle - Tacoma Intl. Airport (SEA).
What is the cheapest airline that flies from Calgary Intl. Airport (YYC) to Seattle - Tacoma Intl. Airport (SEA)?
While prices can change depending on when you travel, WestJet and Alaska Airlines are often among the top picks for flights between Calgary Intl. Airport (YYC) and Seattle - Tacoma Intl. Airport (SEA). You can also compare carriers on Expedia and use the "Sort by" filter to find the best deal for your YYC to SEA flight.
How many flights per day from Calgary Intl. Airport (YYC) to Seattle - Tacoma Intl. Airport (SEA)?
On average, you'll only find 1 direct flight departing from Calgary Intl. Airport (YYC) to Seattle - Tacoma Intl. Airport (SEA) each day. If this doesn't fit your travel plans, think about flights with a layover. Just filter your search on Expedia to include one stop or more to discover the next best option.
What are the most popular departure times for flights from Calgary Intl. Airport (YYC) to Seattle - Tacoma Intl. Airport (SEA)?
The 7 PM departures from YYC to SEA are the most sought after. Greater demand means you'll likely pay more for these departures. If you're hoping to save money, book during off-peak hours.
What day of the week has the most flights from YYC to SEA?
Friday offers the most flights from Calgary Intl. Airport (YYC) to Seattle - Tacoma Intl. Airport (SEA). Consider traveling on this day and you'll have a greater chance of finding a departure that fits your schedule.
What is the earliest flight from Calgary Intl. Airport (YYC) to Seattle - Tacoma Intl. Airport (SEA)?
Catch the earliest flight at around 1:20PM UTC-7, heading out of Calgary Intl. Airport (YYC). You'll be in the air for roughly 2h 1m, landing at Seattle - Tacoma Intl. Airport (SEA) at approximately 2:21PM UTC-8.
How long does it take to fly from Calgary Intl. Airport (YYC) to Seattle - Tacoma Intl. Airport (SEA)?
The average flight duration from YYC to SEA is 1 hour and 57 minutes, covering a total distance of 450 mi.
What airline has the least delays from YYC to SEA?
Delta Air Lines has the strongest track record for on-time direct flights from Calgary Intl. Airport (YYC) to Seattle - Tacoma Intl. Airport (SEA), with an on-time score of 80%. Use the Expedia App to look up your journey status before you go and get real-time alerts about any trip changes.
What is the best time to fly from Calgary Intl. Airport (YYC) to Seattle - Tacoma Intl. Airport (SEA)?
To avoid potential delays on the Calgary Intl. Airport (YYC) to Seattle - Tacoma Intl. Airport (SEA) route, aim to travel before 3 PM. Flights after this time have a 22% higher chance of being canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Seattle from Calgary Intl. Airport (YYC)?
Check out your flight options from Calgary Intl. Airport (YYC) to Seattle - Tacoma Intl. Airport (SEA). This is the only airport in Seattle you can fly into if you're taking a direct flight.
Is it cheaper to buy a plane ticket from Calgary Intl. Airport (YYC) to Seattle - Tacoma Intl. Airport (SEA) last-minute?
Waiting until just before your departure to book your flight from YYC to SEA often results in higher prices. While you may find some last-minute discounts, they aren't always guaranteed. Be flexible with your itinerary for a better chance of landing a bargain.
Is it cheaper to book a YYC to SEA flight and hotel package?
Booking a YYC to SEA flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip all in one place. Select from our wide range of hotels and then add activities, flights and car rentals to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Calgary Intl. Airport (YYC) to Seattle - Tacoma Intl. Airport (SEA)?
Usually, it's possible to cancel or reschedule your YYC to SEA flight. However, for bookings made more than 24 hours ago, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and if any costs are involved. You'll also find more information on our Customer Service portal.

Travel information

Travel information

0
Origin airport
Calgary Intl.
Destination airport
Seattle - Tacoma Intl.
Airlines serving
Air Canada, Alaska Airlines, American Airlines, Delta, United, WestJet
Roundtrip price
$148
Distance
451 mi

Book with confidence

Book with confidence

Calgary to Seattle Flights

The cheapest times to fly from Calgary to Seattle

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Calgary to Seattle are during the month of October. You can find some of the cheapest flights from Calgary to Seattle with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Calgary to Seattle

Sunday is one of the best days to book for cheap flights from Calgary to Seattle: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Calgary to Seattle

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Calgary to Seattle in 2025. You can also book with separate airlines for your outbound and return journeys, from $98 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Calgary to Seattle flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Calgary to Seattle airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Calgary to Seattle Flights

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