HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Seattle

$103+ 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 1/17. Fares are subject to change and may not be available on all flights or dates of travel.
YYC — SEA
Jan 8 — Jan 151
Thu 1/8
Thu 1/15
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Calgary to Seattle with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Calgary to Seattle/Tacoma Intl are usually found in November or July, booked 56 days in advance, depart on a Friday or Thursday and return on a Friday

Cheap 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 December 9, 2025.

This Air Canada deal was found by Cheapflights users on 12/7. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/86:00 amYYC - SEA
1 stop4h 31mAir Canada
Tue 12/93:40 pmSEA - YYC
1 stop6h 04mAir Canada
Deal found 12/7$176
This Air Canada deal was found by Cheapflights users on 12/8. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/96:00 amYYC - SEA
1 stop4h 31mAir Canada
Tue 12/93:40 pmSEA - YYC
1 stop6h 04mAir Canada
Deal found 12/8$198
This Air Canada deal was found by Cheapflights users on 12/9. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/186:00 amYYC - SEA
1 stop4h 31mAir Canada
Fri 1/233:40 pmSEA - YYC
1 stop4h 19mAir Canada
Deal found 12/9$220
This Air Canada deal was found by Cheapflights users on 12/8. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/116:00 amYYC - SEA
1 stop4h 31mAir Canada
Sun 12/145:50 amSEA - YYC
1 stop12h 54mAir Canada
Deal found 12/8$229
This United Airlines deal was found by Cheapflights users on 12/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/73:30 pmYYC - SEA
1 stop8h 45mUnited Airlines
Mon 12/87:34 pmSEA - YYC
1 stop15h 52mUnited Airlines
Deal found 12/7$247
This United Airlines deal was found by Cheapflights users on 12/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/136:15 amYYC - SEA
2 stops18h 00mUnited Airlines
Tue 12/1612:35 pmSEA - YYC
1 stop8h 18mUnited Airlines
Deal found 12/9$254
This oojo deal was found by Cheapflights users on 12/7. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/181:25 pmYYC - SEA
Nonstop1h 55mWestJet
Fri 1/2311:55 amSEA - YYC
1 stop4h 20mWestJet
Deal found 12/7$278
This Kiwi.com deal was found by Cheapflights users on 12/7. 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.
Sat 12/1311:05 pmYYC - SEA
2 stops12h 17mMultiple Airlines
Mon 1/1211:55 amSEA - YYC
1 stop5h 25mMultiple Airlines
Deal found 12/7$282

Find 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 December 9, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$155
(FlightHub)

One-way from

$103
(FlightHub)

Popular in

December

Cheapest in

November

Average price

$381

Good round-trip deal

$359 or less

Good one-way deal

$140 or less
Provider with most accurate pricing for Calgary-Seattle/Tacoma Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Calgary-Seattle/Tacoma Intl flights.
Search Deals
From Calgary to Seattle/Tacoma Intl
Search Deals
One-way flight from Calgary to Seattle/Tacoma Intl
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($29 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from Calgary to Seattle/Tacoma Intl.
Search Deals
Price to beat on a one-way flight from Calgary to Seattle/Tacoma Intl.
Search Deals

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 December 9, 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

Sun 1/11

9:15 am-10:22 am

1 stop26h 07m

Seattle/Tacoma Intl

Mon 1/19

11:55 am-5:15 pm

1 stop4h 20m

$177

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Tue 2/3

1:25 pm-2:19 pm

Nonstop1h 54m

Seattle/Tacoma Intl

Mon 2/16

11:55 am-7:31 am

1 stop18h 36m

$190

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Mon 5/11

9:00 am-2:09 pm

1 stop6h 09m

Seattle/Tacoma Intl

Thu 5/14

7:05 am-9:45 am

Nonstop1h 40m

$198

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Wed 2/4

2:13 pm-9:15 pm

1 stop8h 02m

Seattle/Tacoma Intl

Tue 2/17

5:00 am-9:53 pm

1 stop15h 53m

$211

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Tue 2/3

6:15 am-6:26 pm

1 stop13h 11m

Seattle/Tacoma Intl

Tue 2/17

5:00 am-9:53 pm

1 stop15h 53m

$211

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Mon 2/2

6:15 am-9:15 pm

1 stop16h 00m

Seattle/Tacoma Intl

Tue 2/17

5:00 am-9:53 pm

1 stop15h 53m

$211

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Fri 3/6

6:00 am-9:31 am

1 stop4h 31m

Seattle/Tacoma Intl

Tue 3/10

3:40 pm-10:44 pm

1 stop6h 04m

$213

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Wed 1/21

1:25 pm-2:20 pm

Nonstop1h 55m

Seattle/Tacoma Intl

Wed 1/28

11:05 pm-11:05 am

2 stops11h 00m

$213

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Tue 3/31

6:00 am-11:36 pm

2 stops18h 36m

Seattle/Tacoma Intl

Wed 4/8

5:00 am-9:48 pm

1 stop15h 48m

$219

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Fri 3/6

7:50 am-10:25 am

1 stop3h 35m

Seattle/Tacoma Intl

Tue 3/10

3:10 pm-5:50 pm

Nonstop1h 40m

$238

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/8

Showing 1-10 of 21 results
1
2
3

Compare providers for flights from Calgary to Seattle

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Calgary to Seattle in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
MytripPrice Accuracy3 starsTrust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars
Trip.comPrice Accuracy2 starsTrust Score*3 stars
oojoPrice Accuracy3 starsTrust Score*3 stars
CheapTicketsDealPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Calgary-Seattle flights, users find the pricing of Mytrip to be most consistent on Cheapflights vs. Mytrip Users can find the same prices on Calgary-Seattle flight deals on Cheapflights vs. Mytrip >95% of the time. Price accuracy is based on data collected from Calgary-Seattle flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Calgary-Seattle flights, Cheapflights users trust Mytrip the most. Mytrip has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Calgary-Seattle flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 December 5, 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, September is the cheapest month in which you can book a flight from Calgary to Seattle (average of $107). Flying from Calgary to Seattle in December is currently the most expensive (average of $166). 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 December 9, 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 80% 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 December 6, 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.

The best insider tips for Calgary to Seattle flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
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

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 December 9, 2025.
Read reviews from past customers who have flown Alaska Airlines, WestJet, and Air Canada 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
11,423 reviews

Comfort

7.8

Food

7.1

Overall

8.0

Boarding

8.1

Crew

8.5

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.
Alaska Airlines
8.0
Very good
11,423 reviews
Alaska Airlines
8.0
Very good
11,423 reviews

Comfort

7.8

Food

7.1

Overall

8.0

Boarding

8.1

Crew

8.5

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.
WestJet
7.2
Good
3,193 reviews
Alaska Airlines
8.0
Very good
11,423 reviews

Comfort

7.8

Food

7.1

Overall

8.0

Boarding

8.1

Crew

8.5

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.
Air Canada
7.1
Good
10,515 reviews
Alaska Airlines
8.0
Very good
11,423 reviews

Comfort

7.8

Food

7.1

Overall

8.0

Boarding

8.1

Crew

8.5

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.

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 4 flights from Calgary to Seattle/Tacoma Intl, all of which are around 1h 52m for a nonstop flight. You can also purchase a plane ticket from 3 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 59 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 32m. WestJet provides one of the quickest options available for as low as $155. The distance from Calgary to Seattle is about 451 mi.

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

    According to our current data, Air Canada ($56), WestJet ($131), and Alaska Airlines ($186) offers the cheapest pricing from Calgary to Seattle. Air Canada is priced at 75% 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?

    $73 is the cheapest one-way deal found within the past few days, from Alaska Airlines. You may also be able to find cheap deals on WestJet and Air Canada, with prices starting from $90 and $105, respectively.

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

    The top 3 most reliable airlines when flying from Calgary to Seattle are Japan Airlines (100%), Qantas Airways (89%) and Qatar Airways (86%).

  • What are the cheapest flights from Calgary to Seattle?

    The cheapest flight price from Calgary to Seattle is $93. On average you can expect to pay $633. The most popular route, (Calgary - Seattle/Tacoma Intl), can usually be booked for $175.

  • 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, September is the cheapest month in which you can book a flight from Calgary to Seattle (average of $107). Flying from Calgary to Seattle in December is currently the most expensive (average of $166). 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
Tacoma
SeaTac
Lakewood
Olympia
Ocean Shores
Edmonds
Lynnwood
Renton
Puyallup
Kirkland
Tukwila
Kent
Cle Elum
Marysville
Leavenworth
Fife
Aberdeen
Shoreline
Centralia
Federal Way

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 3 airlines flying from Calgary to Seattle

Discover the top 3 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 December 9, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$77Average$221FlexibilityNo cancel feeOn-time67%
WestJetCheapest$131Average$229FlexibilityNo cancel feeOn-time60%
Alaska AirlinesCheapest$186Average$342FlexibilityNo cancel feeOn-time75%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.