S$148 Cheap Flights from Calgary to Seattle

View S$148 flight on Mon, 20 Oct, 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 S$148 for one-way flights and S$254 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Mon, 8 Dec - Wed, 10 Dec
YYC
Calgary
SEA
Seattle
S$254 Return, found 3 days ago
S$254
Return
found 3 days ago
Select Air Canada flight, departing Mon, 8 Dec from Calgary to Seattle, returning Wed, 10 Dec, priced at S$254 found 3 days ago
United
Mon, 8 Dec - Wed, 10 Dec
YYC
Calgary
SEA
Seattle
S$261 Return, found 3 days ago
S$261
Return
found 3 days ago
Select United flight, departing Mon, 8 Dec from Calgary to Seattle, returning Wed, 10 Dec, priced at S$261 found 3 days ago
WestJet
Mon, 8 Dec - Wed, 10 Dec
YYC
Calgary
SEA
Seattle
S$270 Return, found 3 days ago
S$270
Return
found 3 days ago
Select WestJet flight, departing Mon, 8 Dec from Calgary to Seattle, returning Wed, 10 Dec, priced at S$270 found 3 days ago
Air Canada
Sat, 29 Nov - Sat, 6 Dec
YYC
Calgary
SEA
Seattle
S$274 Return, found 15 hours ago
S$274
Return
found 15 hours ago
Select Air Canada flight, departing Sat, 29 Nov from Calgary to Seattle, returning Sat, 6 Dec, priced at S$274 found 15 hours ago
Air Canada
Mon, 8 Dec - Wed, 10 Dec
YYC
Calgary
SEA
Seattle
S$278 Return, found 3 days ago
S$278
Return
found 3 days ago
Select Air Canada flight, departing Mon, 8 Dec from Calgary to Seattle, returning Wed, 10 Dec, priced at S$278 found 3 days ago
WestJet
Mon, 8 Dec - Wed, 10 Dec
YYC
Calgary
SEA
Seattle
S$280 Return, found 3 days ago
S$280
Return
found 3 days ago
Select WestJet flight, departing Mon, 8 Dec from Calgary to Seattle, returning Wed, 10 Dec, priced at S$280 found 3 days ago
Air Canada
Mon, 8 Dec - Wed, 10 Dec
YYC
Calgary
SEA
Seattle
S$280 Return, found 3 days ago
S$280
Return
found 3 days ago
Select Air Canada flight, departing Mon, 8 Dec from Calgary to Seattle, returning Wed, 10 Dec, priced at S$280 found 3 days ago
United
Mon, 8 Dec - Wed, 10 Dec
YYC
Calgary
SEA
Seattle
S$286 Return, found 3 days ago
S$286
Return
found 3 days ago
Select United flight, departing Mon, 8 Dec from Calgary to Seattle, returning Wed, 10 Dec, priced at S$286 found 3 days ago
United
Mon, 8 Dec - Wed, 10 Dec
YYC
Calgary
SEA
Seattle
S$287 Return, found 3 days ago
S$287
Return
found 3 days ago
Select United flight, departing Mon, 8 Dec from Calgary to Seattle, returning Wed, 10 Dec, priced at S$287 found 3 days ago
Delta
Tue, 2 Dec - Wed, 3 Dec
YYC
Calgary
SEA
Seattle
S$506 Return, found 4 days ago
S$506
Return
found 4 days ago
Select Delta flight, departing Tue, 2 Dec from Calgary to Seattle, returning Wed, 3 Dec, priced at S$506 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 S$188 - S$413 per traveller.

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 S$254. 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 kilometres. 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 travellers 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.

Travel information

0
Origin airport
Calgary Intl.
Destination airport
Seattle - Tacoma Intl.
Airlines serving
Air Canada, American Airlines, Delta, United, WestJet
Return price
S$253
Distance
722 km

Book with confidence

Flights from Calgary to Seattle

There are several airlines that operate frequent flights from Calgary (YYC) to Seattle (SEA) including

The earliest flight leaves Calgary Intl. Airport at 06:00 and arrives at Seattle Tacoma Intl. Airport at 06:47. The last flight of the day departs Calgary at 19:30 and arrives at Seattle at 20:23.

The flight distance from Calgary to Seattle is about 729 km, the shortest flight is 01 hours 40 minutes with WestJet.

Expedia lets you search across the largest number of airlines and Seattle flights, which means that you’ll be able to find a great flight deal at the perfect travel date and time. Our simple-to-use booking engine makes looking for terrific bargains easy and hassle-free; just enter your travel dates and departure city, and let Expedia do the rest! Adjust your travel dates and explore connecting flights to find an even better deal on your Calgary Seattle flight!

Browse through dozens of options and rest 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 to Seattle trip. There’s simply no substitute for great prices suited to your travel needs and backed by excellent customer support.

Combine your Seattle flight with a hotel and/or car rental for a package deal designed to save you even more money! Discover additional savings by booking in advance or find a last minute deal. There are tons of ways to save on your flights from Calgary to Seattle with Expedia. Use us as your stop travel destination and have the confidence that you’re getting a bargain!

Flights from Calgary to Seattle

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