₩155,400 Cheap Flights from Calgary (YYC) to Seattle (SEA)

View ₩155,400 flight on Sun, Oct 12, 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 ₩155,400 for one-way flights and ₩259,600 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sat, Oct 11 - Sun, Oct 12
YYC
Calgary
SEA
Seattle
₩259,600 Roundtrip, found 4 days ago
₩259,600
Roundtrip
found 4 days ago
Select United flight, departing Sat, Oct 11 from Calgary to Seattle, returning Sun, Oct 12, priced at ₩259,600 found 4 days ago
Air Canada
Thu, Oct 9 - Sun, Oct 12
YYC
Calgary
SEA
Seattle
₩260,900 Roundtrip, found 5 days ago
₩260,900
Roundtrip
found 5 days ago
Select Air Canada flight, departing Thu, Oct 9 from Calgary to Seattle, returning Sun, Oct 12, priced at ₩260,900 found 5 days ago
WestJet
Fri, Oct 31 - Fri, Nov 7
YYC
Calgary
SEA
Seattle
₩263,300 Roundtrip, found 5 days ago
₩263,300
Roundtrip
found 5 days ago
Select WestJet flight, departing Fri, Oct 31 from Calgary to Seattle, returning Fri, Nov 7, priced at ₩263,300 found 5 days ago
Air Canada
Fri, Oct 31 - Fri, Nov 7
YYC
Calgary
SEA
Seattle
₩263,300 Roundtrip, found 5 days ago
₩263,300
Roundtrip
found 5 days ago
Select Air Canada flight, departing Fri, Oct 31 from Calgary to Seattle, returning Fri, Nov 7, priced at ₩263,300 found 5 days ago
WestJet
Fri, Oct 31 - Fri, Nov 7
YYC
Calgary
SEA
Seattle
₩266,400 Roundtrip, found 5 days ago
₩266,400
Roundtrip
found 5 days ago
Select WestJet flight, departing Fri, Oct 31 from Calgary to Seattle, returning Fri, Nov 7, priced at ₩266,400 found 5 days ago
WestJet
Fri, Oct 31 - Fri, Nov 7
YYC
Calgary
SEA
Seattle
₩269,600 Roundtrip, found 5 days ago
₩269,600
Roundtrip
found 5 days ago
Select WestJet flight, departing Fri, Oct 31 from Calgary to Seattle, returning Fri, Nov 7, priced at ₩269,600 found 5 days ago
Air Canada
Sat, Nov 1 - Sat, Nov 8
YYC
Calgary
SEA
Seattle
₩272,800 Roundtrip, found 3 days ago
₩272,800
Roundtrip
found 3 days ago
Select Air Canada flight, departing Sat, Nov 1 from Calgary to Seattle, returning Sat, Nov 8, priced at ₩272,800 found 3 days ago
United
Sat, Nov 1 - Sat, Nov 8
YYC
Calgary
SEA
Seattle
₩280,600 Roundtrip, found 3 days ago
₩280,600
Roundtrip
found 3 days ago
Select United flight, departing Sat, Nov 1 from Calgary to Seattle, returning Sat, Nov 8, priced at ₩280,600 found 3 days ago
Delta
Sat, Nov 1 - Sat, Nov 8
YYC
Calgary
SEA
Seattle
₩424,800 Roundtrip, found 3 days ago
₩424,800
Roundtrip
found 3 days ago
Select Delta flight, departing Sat, Nov 1 from Calgary to Seattle, returning Sat, Nov 8, priced at ₩424,800 found 3 days ago
American Airlines
Sat, Nov 1 - Sat, Nov 8
YYC
Calgary
SEA
Seattle
₩991,400 Roundtrip, found 3 days ago
₩991,400
Roundtrip
found 3 days ago
Select American Airlines flight, departing Sat, Nov 1 from Calgary to Seattle, returning Sat, Nov 8, priced at ₩991,400 found 3 days ago

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

October is typically the cheapest month to fly

From ₩197,501 - ₩423,318 per traveler.

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 ₩259,600. 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.

Travel information

Travel information

0
Origin airport
Calgary Intl.
Destination airport
Seattle - Tacoma Intl.
Airlines serving
Air Canada, American Airlines, Delta, United, WestJet
Roundtrip price
₩259,600
Distance
722 km

Book with confidence

Book with confidence

Calgary to Seattle Flights

Sometimes you just need to get out of town or maybe you’re looking for a change of scenery. Regardless of the reason, a flight from Calgary to Seattle will do just the trick! Go on, plan to see all the famous landmarks and eat your weight in the local cuisine. Your trip is beckoning, so answer the call by packing your suitcase and filling your travel itinerary with exploring Seattle.

Whether you’re flying for business or jet-setting on your personal time, you’ve come to the right place. Here at Expedia.com, we’ll pair you up with YYC to SEA flights that won’t make your bank account wince. Ready to temporarily leave behind Calgary for new horizons? Browse through our cheap airfare, and filter by flight times and dates until you find just what you had in mind. From flights without layovers to ones that arrive early in the morning, you’ll come across plane tickets that suit your travel preferences. You can even bundle your flight to SEA with hotels and car rentals to score even bigger savings.

All set to hit the clouds? Book your travel arrangements with us today and have left-over money to put toward your travel outings and adventures.

Calgary to Seattle Flights

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