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$90+ Cheap flights from Calgary (YYC) to Seattle (SEA)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/20. Fares are subject to change and may not be available on all flights or dates of travel.
YYC — SEA
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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Cheapflights Tip: The best prices from Calgary to Seattle/Tacoma Intl are usually found in March or July, booked 56 days in advance, depart on a Friday or Sunday and return on a Friday

Cheap flight deals from Calgary to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Calgary (YYC) to Seattle (SEA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 16, 2025.

Round-trip from

$137
(Gotogate)

One-way from

$90
(Trip.com)

Popular in

December

Cheapest in

March

Average price

$239

Good round-trip deal

$336 or less

Good one-way deal

$304 or less
From Calgary to Seattle/Tacoma Intl
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One-way flight from Calgary to Seattle/Tacoma Intl
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Highest demand for flights based on searches. 16% potential increase in price ($47 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($12 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Calgary to Seattle/Tacoma Intl.
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Price to beat on a one-way flight from Calgary to Seattle/Tacoma Intl.
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Find flight deals from Calgary to Seattle

Cheapest flights from Calgary to Seattle
Explore the most affordable flight options available from Calgary to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.

This Gotogate deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/183:50 pmYYC - SEA
2 stops7h 41mAir Canada
Sun 10/195:30 amSEA - YYC
2 stops8h 30mAir Canada
Deal found 9/16$137
This Kiwi.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/51:25 pmYYC - SEA
Nonstop1h 55mWestJet
Sat 11/1511:55 amSEA - YYC
1 stop4h 20mWestJet
Deal found 9/14$138
This Booking.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/291:25 pmYYC - SEA
Nonstop1h 55mWestJet
Wed 11/53:10 pmSEA - YYC
Nonstop1h 40mWestJet
Deal found 9/14$141
This FlightHub deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2312:05 pmYYC - SEA
Nonstop1h 54mWestJet
Sat 11/13:20 pmSEA - YYC
Nonstop1h 54mWestJet
Deal found 9/14$143
This Trip.com deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/177:50 amYYC - SEA
1 stop3h 33mWestJet
Fri 11/2111:55 amSEA - YYC
1 stop5h 20mWestJet
Deal found 9/16$144
This FlightHub deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/121:25 pmYYC - SEA
Nonstop1h 55mWestJet
Thu 11/133:10 pmSEA - YYC
Nonstop1h 40mWestJet
Deal found 9/14$145
This Trip.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/37:50 amYYC - SEA
1 stop3h 33mWestJet
Mon 11/1711:55 amSEA - YYC
1 stop4h 20mWestJet
Deal found 9/15$146
This Mytrip deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/293:00 pmYYC - SEA
1 stop5h 16mAir Canada
Wed 11/53:40 pmSEA - YYC
1 stop4h 19mAir Canada
Deal found 9/14$150

Cheapflights Fare Finder

 
Customize your flight search to find flights from Calgary to Seattle that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 16, 2025.
Use the filters below to find and compare flights from Calgary to Seattle that are best for you.

Fly from

Calgary

Fly to

Seattle

Route

Depart

Return

Price

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Fri 10/31

7:50 am-10:25 am

1 stop3h 35m

Seattle/Tacoma Intl

Fri 11/7

11:55 am-6:15 pm

1 stop5h 20m

$140

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Wed 11/12

1:25 pm-2:20 pm

Nonstop1h 55m

Seattle/Tacoma Intl

Thu 11/13

3:10 pm-5:50 pm

Nonstop1h 40m

$145

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Mon 10/20

6:10 am-9:21 am

1 stop4h 11m

Seattle/Tacoma Intl

Thu 10/23

7:15 pm-12:42 am

1 stop4h 27m

$153

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Sat 10/11

11:30 pm-12:35 pm

1 stop14h 05m

Seattle/Tacoma Intl

Sat 10/18

1:50 pm-4:31 pm

Nonstop1h 41m

$156

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Fri 10/31

6:00 am-9:31 am

1 stop4h 31m

Seattle/Tacoma Intl

Fri 11/7

3:10 pm-5:50 pm

Nonstop1h 40m

$160

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Wed 10/15

6:10 am-9:21 am

1 stop4h 11m

Seattle/Tacoma Intl

Wed 10/15

7:15 pm-12:42 am

1 stop4h 27m

$161

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Thu 10/23

6:00 pm-10:31 pm

1 stop5h 31m

Seattle/Tacoma Intl

Sat 11/1

3:40 pm-10:44 pm

1 stop6h 04m

$161

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Wed 10/15

3:50 pm-10:31 pm

2 stops7h 41m

Seattle/Tacoma Intl

Thu 10/16

5:30 am-3:00 pm

2 stops8h 30m

$174

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Fri 11/28

7:50 am-10:23 am

1 stop3h 33m

Seattle/Tacoma Intl

Sun 11/30

11:55 am-7:18 pm

2 stops6h 23m

$174

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Sat 10/4

12:30 pm-6:36 pm

2 stops7h 06m

Seattle/Tacoma Intl

Wed 10/8

2:55 pm-8:27 pm

1 stop4h 32m

$174

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 19 results
1
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The best insider tips for Calgary to Seattle flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Calgary to Seattle trip
Airports
YYC

For a quick transit at YYC, use the LINK shuttle between terminals. It's fast, free, and wheelchair accessible.

Read more about YYCby Jenna Scatena
SEA

Use the Link light rail from SEA to downtown Seattle. It's affordable, runs every 10 minutes, and takes less than 40 minutes.

Read more about SEAby Brandon Schultz
Our travel experts
Jenna Scatena

Jenna Scatena

Expert on YYC

Jenna Scatena

Jenna Scatena

Journalist and Travel Writer, Jenna Scatena is an award-winning travel writer with a love for sharing stories and exploring new places, especially by Vespa. Though she's from San Francisco, she has spent a significant chunk of her vacation days over the last decade eating her way through Texas and sleeping in hotels around the world—especially in California, the Middle East, and Europe.

Read more
Brandon Schultz

Brandon Schultz

Expert on SEA

Brandon Schultz

Brandon Schultz

Brandon Schultz is an award-winning food and travel writer based in New York City. His work has appeared in Forbes, AAA, Thrillist, Travel + Leisure, and The Daily Meal, among many others, and he is the author of 6 books, including 3 cookbooks.

Read more

Best time to book a flight from Calgary to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Calgary with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Calgary to Seattle

How far ahead should I book a flight from Calgary to Seattle?

Use this chart to determine the optimal time to book a round-trip flight from Calgary to Seattle. Price data was last updated on September 12, 2025.

The price you pay for your flight from Calgary to Seattle may vary depending on when you book. For the best chance of a lower fare, look to book 56 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Calgary to Seattle?

Currently, January is the cheapest month in which you can book a flight from Calgary to Seattle (average of $238). Flying from Calgary to Seattle in June is currently the most expensive (average of $387). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from YYC to SEA?

Find hourly flight availability from Calgary to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 16, 2025.

When flying from Calgary to Seattle, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 79% versus a flight at noon.

What is the cheapest day to fly from Calgary to Seattle?

Use this chart to determine the cheapest time to fly round-trip from Calgary to Seattle. Price data was last updated on September 14, 2025.

Travelers seeking maximum savings on their Calgary to Seattle flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Monday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seattle. Reviews last updated September 16, 2025.
Read reviews from past customers who have flown Alaska Airlines, Delta, and WestJet from Calgary to Seattle. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Food

7.1

Entertainment

7.0

Overall

8.0

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Food

7.1

Entertainment

7.0

Overall

8.0

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Delta
8.0
Very good
7,954 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Food

7.1

Entertainment

7.0

Overall

8.0

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
WestJet
7.2
Good
3,093 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Food

7.1

Entertainment

7.0

Overall

8.0

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Air Canada
7.1
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Food

7.1

Entertainment

7.0

Overall

8.0

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why

Related info for your journey

Find useful and relevant information for your journey from Calgary to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airports do I use to fly from Calgary to Seattle?

    Booking a flight from Calgary (YYC) to Seattle/Tacoma Intl (SEA) is your only option if you wish to fly from Calgary to Seattle. On a typical day, there are 19 flights from Calgary to Seattle/Tacoma Intl, all of which are around 1h 50m for a nonstop flight. You can also purchase a plane ticket from 4 airlines when you book a flight from Calgary to Seattle.

  • How popular is this Calgary to Seattle flight route?

    Flights from Calgary to Seattle/Tacoma Intl have been viewed 52 times in the past calendar month.

  • How long is the flight from Calgary to Seattle?

    A quick flight from Calgary to Seattle can take about 3h 35m. WestJet provides one of the quickest options available for as low as $140. The distance from Calgary to Seattle is about 451 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Calgary to Seattle round-trip?

    According to our current data, Air Canada ($88), WestJet ($131), and Alaska Airlines ($190) offers the cheapest pricing from Calgary to Seattle. Air Canada is priced at 62% lower than the current average price of a flight leaving 3 months from now.

  • What are the most reliable airlines from Calgary to Seattle?

    The top 3 most reliable airlines when flying from Calgary to Seattle are Singapore Airlines (91%), American Airlines (80%) and Qatar Airways (80%).

  • What are the cheapest flights from Calgary to Seattle?

    The cheapest flight price from Calgary to Seattle is $98. On average you can expect to pay $799. The most popular route, (Calgary - Seattle/Tacoma Intl), can usually be booked for $140.

  • Can I find deals for flights from Calgary to Seattle that include hotel bookings?

    Yes. In addition to deals on Calgary to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Calgary to Seattle?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Calgary to Seattle.

  • Can I find deals for business class flights from Calgary to Seattle?

    Yes. Cheapflights offers flight deals from Calgary to Seattle by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Calgary to Seattle?

    Currently, January is the cheapest month in which you can book a flight from Calgary to Seattle (average of $238). Flying from Calgary to Seattle in June is currently the most expensive (average of $387). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
SeaTac
Tukwila
Tacoma
Lakewood
Ocean Shores
Lynnwood
Edmonds
Leavenworth
Renton
Lacey
Olympia
Kent
Federal Way
Cle Elum
Puyallup
Chehalis
Kirkland
Issaquah
Aberdeen
Shoreline

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Calgary to Seattle

See prices for flight routes from nearby airports that may be better suited for you.
Edmonton to Seattle flights
Calgary to Portland flights
Edmonton to Portland flights
Calgary to Spokane flights

Top 4 airlines flying from Calgary to Seattle

Discover the top 4 airlines that operate flights from Calgary to Seattle. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$88Average$212FlexibilityNo cancel feeOn-time67%
WestJetCheapest$131Average$242FlexibilityNo cancel feeOn-time60%
Alaska AirlinesCheapest$190Average$343FlexibilityNo cancel feeOn-time75%
DeltaCheapest$231Average$397FlexibilityNo cancel feeOn-timeN/A

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