Cheap Flights from Calgary (YYC) to Seattle (SEA) from HK$1,010~

View HK$1,010 flight on Fri, 12 Dec 2025Opens in a new window

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

    notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
    deals illustration

    Book smarter

    Save up to 35% on select hotels after you book a flight*
    trophy illustration

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Find Cheap Flights from Calgary (YYC) to Seattle (SEA)

Prices were available within the past 7 days and start at HK$1,010 for one-way flights and HK$1,645 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Sun, 23 Nov - Sat, 29 Nov
YYC
Calgary
SEA
Seattle
HK$1,645 Return, found 4 days ago
HK$1,645
Return
found 4 days ago
Select Air Canada flight, departing Sun, 23 Nov from Calgary to Seattle, returning Sat, 29 Nov, priced at HK$1,645 found 4 days ago
United
Sun, 23 Nov - Sat, 29 Nov
YYC
Calgary
SEA
Seattle
HK$1,689 Return, found 4 days ago
HK$1,689
Return
found 4 days ago
Select United flight, departing Sun, 23 Nov from Calgary to Seattle, returning Sat, 29 Nov, priced at HK$1,689 found 4 days ago
Air Canada
Sun, 9 Nov - Sat, 15 Nov
YYC
Calgary
SEA
Seattle
HK$1,760 Return, found 4 days ago
HK$1,760
Return
found 4 days ago
Select Air Canada flight, departing Sun, 9 Nov from Calgary to Seattle, returning Sat, 15 Nov, priced at HK$1,760 found 4 days ago
Air Canada
Sun, 23 Nov - Sat, 29 Nov
YYC
Calgary
SEA
Seattle
HK$1,791 Return, found 4 days ago
HK$1,791
Return
found 4 days ago
Select Air Canada flight, departing Sun, 23 Nov from Calgary to Seattle, returning Sat, 29 Nov, priced at HK$1,791 found 4 days ago
United
Sun, 23 Nov - Sat, 29 Nov
YYC
Calgary
SEA
Seattle
HK$1,821 Return, found 4 days ago
HK$1,821
Return
found 4 days ago
Select United flight, departing Sun, 23 Nov from Calgary to Seattle, returning Sat, 29 Nov, priced at HK$1,821 found 4 days ago
WestJet
Sun, 23 Nov - Sat, 29 Nov
YYC
Calgary
SEA
Seattle
HK$1,827 Return, found 4 days ago
HK$1,827
Return
found 4 days ago
Select WestJet flight, departing Sun, 23 Nov from Calgary to Seattle, returning Sat, 29 Nov, priced at HK$1,827 found 4 days ago
United
Sun, 23 Nov - Sat, 29 Nov
YYC
Calgary
SEA
Seattle
HK$1,835 Return, found 4 days ago
HK$1,835
Return
found 4 days ago
Select United flight, departing Sun, 23 Nov from Calgary to Seattle, returning Sat, 29 Nov, priced at HK$1,835 found 4 days ago
Air Canada
Thu, 5 Feb - Tue, 10 Feb
YYC
Calgary
SEA
Seattle
HK$1,844 Return, found 1 day ago
HK$1,844
Return
found 1 day ago
Select Air Canada flight, departing Thu, 5 Feb from Calgary to Seattle, returning Tue, 10 Feb, priced at HK$1,844 found 1 day ago
American Airlines
Thu, 5 Feb - Tue, 10 Feb
YYC
Calgary
SEA
Seattle
HK$2,852 Return, found 1 day ago
HK$2,852
Return
found 1 day ago
Select American Airlines flight, departing Thu, 5 Feb from Calgary to Seattle, returning Tue, 10 Feb, priced at HK$2,852 found 1 day ago
Delta
Sun, 23 Nov - Sat, 29 Nov
YYC
Calgary
SEA
Seattle
HK$7,285 Return, found 4 days ago
HK$7,285
Return
found 4 days ago
Select Delta flight, departing Sun, 23 Nov from Calgary to Seattle, returning Sat, 29 Nov, priced at HK$7,285 found 4 days ago

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

May is typically the cheapest month to fly

From HK$1,135 - HK$2,490 per traveller.
0
Calgary to Seattle route information
Origin airport
Calgary Intl.
Destination airport
Seattle - Tacoma Intl.
Airlines serving
Air Canada, American Airlines, United, WestJet
Return price
HK$1,645
Distance
722 km

Flights from Calgary to Seattle

Book cheap flights from Calgary (YYC) to Seattle (SEA) on Expedia.com.hk. Find the best flight deals to destinations around the world for your next leisure or business travel on Expedia.com.hk.

Search for flights from Calgary (YYC) to Seattle (SEA) to find great flight deals suitable to your travel date and time. Expedia.com.hk flight booking search engine is simple to use and looking for cheap flights is as easy as a click of a mouse or on your mobile devices.

Be assured that you’re seeing the best price guaranteed! Our friendly customer service representatives are here to serve you 24 hours day to provide assistance and answer any questions that you may have about booking your Calgary (YYC) to Seattle (SEA) trip. Call us at 3077-4857 (direct number - 24 hours day for English).

Save more when combine your Seattle flight with a hotel for a package deal! Discover additional savings by booking in advance. Now you can find activities in Seattle and things to do in Seattle for your perfect vacation with Expedia Thing to Do.

If you would like to book flights to Seattle more flexibly, many prefer to purchase one-way tickets with options to take different airlines. A one way ticket to Seattle is HK$1,010 now!

 

Frequently asked questions

How much is a flight from Calgary Intl. Airport (YYC) to Sea-Tac Airport?
Start packing your bags, because round-trip flights from YYC to Sea-Tac Airport start from HK$1,645. That's based on airfares listed within the last 7 days on Expedia for flights departing within the next year. Prices can change quickly, so book today to lock in the best deal. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from YYC to Seattle - Tacoma Intl. Airport (SEA)?
Every air carrier has its own terms and conditions. If you do decide to cancel, follow the simple instructions on our Customer Service Portal.
How do I find cheap flights from YYC Calgary International Airport to Sea-Tac Airport that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for YYC to SEA flights, you'll see a "no change fees" filter for you to select.
How far is the flight from YYC to SEA?
That movie you've been wanting to see will just have to wait — the flight distance between YYC (YYC) and SEA (SEA) is only 730 kilometers. The captain will be telling you to buckle up for touchdown before you know it.
Which airlines fly direct from YYC to SEA?
Alaska Airlines (AS) is one of the top choices for travelers jetting between Calgary Intl. Airport (YYC) and SEA. Choose from the 60 flights it offers on this route each month. Offering 47 flights per month on this route, WestJet (WS) is another top pick.
Are Calgary Intl. Airport (YYC) to SEA flight tickets cheaper when they're purchased at the last minute?
It is possible to get great last-minute deals from YYC Calgary International Airport to Sea-Tac Airport, but it can also be hit-or-miss. As many airlines release prices up to 12 months in advance, it's worth keeping an eye on fares early and being ready to book when you spot a good bargain. Expedia compares carrier prices and updates flight deals frequently, so you can feel confident knowing you're always seeing the latest offers.

Explore a world of travel with Expedia

*Available to Expedia members.