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$107+ 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 7/25. Fares are subject to change and may not be available on all flights or dates of travel.
YYC — SEA
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
1 adult, Economy
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Cheapflights Tip: The best prices from Calgary to Seattle/Tacoma Intl are usually found in August or September, booked 50 days in advance, depart on a Thursday or Friday 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 July 3, 2025.

Round-trip from

$174
(FlightHub)

One-way from

$107
(SmartFares)

Popular in

December

Cheapest in

August

Average price

$198

Good round-trip deal

$326 or less

Good one-way deal

$174 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. 22% potential increase in price ($63 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($13 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 3, 2025.

This FlightHub deal was found by Cheapflights users on 7/2. 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 8/77:00 amYYC - SEA
1 stop6h 35mWestJet
Sun 8/107:35 pmSEA - YYC
Nonstop1h 40mWestJet
Deal found 7/2$174
This Flightnetwork deal was found by Cheapflights users on 7/2. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/1212:30 pmYYC - SEA
2 stops7h 06mMultiple Airlines
Mon 7/147:35 pmSEA - YYC
Nonstop1h 40mMultiple Airlines
Deal found 7/2$180
This Flightnetwork deal was found by Cheapflights users on 7/3. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/261:20 pmYYC - SEA
1 stop6h 16mAir Canada
Mon 7/282:55 pmSEA - YYC
1 stop6h 00mAir Canada
Deal found 7/3$184
This Alaska Airlines deal was found by Cheapflights users on 7/2. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/197:00 pmYYC - SEA
Nonstop1h 52mAlaska Airlines
Sun 9/217:59 amSEA - YYC
Nonstop1h 41mAlaska Airlines
Deal found 7/2$196

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 July 3, 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

Thu 8/7

7:00 am-12:35 pm

1 stop6h 35m

Seattle/Tacoma Intl

Sun 8/10

7:35 pm-10:15 pm

Nonstop1h 40m

$174

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Sat 8/16

12:30 pm-6:36 pm

2 stops7h 06m

Seattle/Tacoma Intl

Sat 8/23

5:30 am-3:01 pm

2 stops8h 31m

$182

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Fri 9/19

7:00 pm-7:52 pm

Nonstop1h 52m

Seattle/Tacoma Intl

Sun 9/21

7:59 am-10:40 am

Nonstop1h 41m

$196

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Sat 8/16

6:10 am-9:21 am

1 stop4h 11m

Seattle/Tacoma Intl

Sat 8/23

7:35 pm-10:25 pm

Nonstop1h 50m

$207

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Fri 7/25

5:45 pm-6:38 pm

Nonstop1h 53m

$107

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Thu 7/10

1:20 pm-6:36 pm

1 stop6h 16m

$111

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Sat 7/26

7:00 pm-7:50 pm

Nonstop1h 50m

$116

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Mon 7/14

5:00 pm-9:10 pm

1 stop5h 10m

$154

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Thu 8/7

6:00 am-6:58 am

Nonstop1h 58m

$178

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/3

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 June 27, 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 50 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 July is currently the most expensive (average of $390). 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 July 3, 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 67% 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 June 29, 2025.

Travelers seeking maximum savings on their Calgary to Seattle flight should consider departing on Wednesday evenings 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.

Weekly flight availability from Calgary to Seattle

Explore weekly flight availability from Calgary to Seattle. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated July 3, 2025.

The most flights from YYC to SEA are scheduled on a Wednesday (23 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (14 on average).

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 July 3, 2025.
Read reviews from past customers who have flown Alaska Airlines, Delta, and American Airlines 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

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,982 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
WestJet
7.2
Good
2,917 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Air Canada
7.1
Good
9,681 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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 32 times in the past calendar month.

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

    According to our current data, WestJet ($174), Air Canada ($182), and Alaska Airlines ($196) offers the cheapest pricing from Calgary to Seattle. WestJet is priced at 21% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Calgary to Seattle one-way?

    $107 is the cheapest one-way deal found within the past few days, from WestJet. You may also be able to find cheap deals on Air Canada and Alaska Airlines, with prices starting from $111 and $116, respectively.

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

    The top 3 most reliable airlines when flying from Calgary to Seattle are Finnair (82%), Japan Airlines (79%) and Qantas Airways (79%).

  • What are the cheapest flights from Calgary to Seattle?

    The cheapest flight price from Calgary to Seattle is $115. On average you can expect to pay $363. The most popular route, (Calgary - Seattle/Tacoma Intl), can usually be booked for $188.

  • 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 July is currently the most expensive (average of $390). 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 Calgary?

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

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
Calgary to Spokane flights
Edmonton to Portland 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 July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$100Average$234FlexibilityNo cancel feeOn-timeN/A
WestJetCheapest$110Average$222FlexibilityNo cancel feeOn-time60%
Air CanadaCheapest$146Average$210FlexibilityNo cancel feeOn-time67%
Alaska AirlinesCheapest$219Average$340FlexibilityNo cancel feeOn-time75%

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