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$100+ Cheap flights from Alberta 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 12/4. Fares are subject to change and may not be available on all flights or dates of travel.
YYC — SEA
Dec 2 — Dec 91
Tue 12/2
Tue 12/9
1 adult, Economy
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Find flight deals from Alberta to Seattle

Cheapest flights from Alberta to Seattle
Explore the most affordable flight options available from Alberta to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 2, 2025.

This Kiwi.com deal was found by Cheapflights users on 11/1. 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.
Thu 12/181:25 pmYYC - SEA
Nonstop1h 55mWestJet
Wed 12/243:10 pmSEA - YYC
Nonstop1h 40mWestJet
Deal found 11/1$161
This Trip.com deal was found by Cheapflights users on 10/31. 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.
Fri 11/214:30 pmYYC - SEA
1 stop6h 36mAir Canada
Sun 11/233:40 pmSEA - YYC
1 stop6h 04mAir Canada
Deal found 10/31$163
This Trip.com deal was found by Cheapflights users on 10/30. 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.
Thu 11/201:25 pmYYC - SEA
Nonstop1h 55mWestJet
Thu 12/43:10 pmSEA - YYC
Nonstop1h 40mWestJet
Deal found 10/30$165
This CheapOair deal was found by Cheapflights users on 10/30. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/51:25 pmYYC - SEA
Nonstop1h 55mWestJet
Tue 12/93:10 pmSEA - YYC
Nonstop1h 40mWestJet
Deal found 10/30$166
This Kiwi.com deal was found by Cheapflights users on 10/31. 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.
Fri 11/211:25 pmYYC - SEA
Nonstop1h 55mWestJet
Sun 11/2311:55 amSEA - YYC
1 stop5h 25mWestJet
Deal found 10/31$167
This Trip.com deal was found by Cheapflights users on 10/31. 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.
Fri 11/211:25 pmYYC - SEA
Nonstop1h 55mMultiple Airlines
Sun 11/238:12 amSEA - YYC
Nonstop1h 38mMultiple Airlines
Deal found 10/31$172
This Trip.com deal was found by Cheapflights users on 10/31. 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 12/227:50 amYYC - SEA
1 stop3h 32mWestJet
Fri 1/23:10 pmSEA - YYC
Nonstop1h 40mWestJet
Deal found 10/31$175
This Air Canada deal was found by Cheapflights users on 10/30. 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 11/206:00 amYYC - SEA
1 stop4h 31mAir Canada
Thu 12/43:40 pmSEA - YYC
1 stop4h 19mAir Canada
Deal found 10/30$178
This Trip.com deal was found by Cheapflights users on 10/31. 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.
Tue 12/27:00 amYEG - SEA
2 stops8h 20mWestJet
Tue 12/163:10 pmSEA - YEG
1 stop6h 39mWestJet
Deal found 10/31$218
This FlightHub deal was found by Cheapflights users on 11/2. 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 12/49:00 amYEG - SEA
1 stop6h 20mWestJet
Mon 12/83:10 pmSEA - YEG
1 stop6h 39mWestJet
Deal found 11/2$223
This Trip.com deal was found by Cheapflights users on 10/31. 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.
Fri 12/51:15 pmYEG - SEA
1 stop22h 07mWestJet
Sun 12/711:55 amSEA - YEG
1 stop4h 06mWestJet
Deal found 10/31$224
This iWofly deal was found by Cheapflights users on 11/2. 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 iWofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/179:00 amYEG - SEA
1 stop6h 20mWestJet
Wed 12/243:10 pmSEA - YEG
1 stop6h 39mWestJet
Deal found 11/2$225

Cheap flight deals from Alberta to Seattle

Keep the following information in mind while searching for Alberta to Seattle flight deals. Data was last updated November 2, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$161
(Kiwi.com)

One-way from

$100
(Kiwi.com)

Popular in

December

Cheapest in

March

Average price

$279

Good round-trip deal

$288 or less

Good one-way deal

$211 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 Alberta to Seattle/Tacoma Intl
Search Deals
One-way flight from Alberta to Seattle/Tacoma Intl
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($48 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals
Price to beat on a round-trip flight from Alberta to Seattle/Tacoma Intl.
Search Deals
Price to beat on a one-way flight from Alberta to Seattle/Tacoma Intl.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Alberta 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 November 2, 2025.
Use the filters below to find and compare flights from Alberta to Seattle that are best for you.

Fly from

Alberta

Fly to

Seattle

Route

Depart

Return

Price

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Fri 11/21

1:10 pm-10:06 pm

2 stops9h 56m

Seattle/Tacoma Intl

Sun 11/23

3:40 pm-10:44 pm

1 stop6h 04m

$172

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Fri 12/5

3:00 pm-7:16 pm

1 stop5h 16m

Seattle/Tacoma Intl

Tue 12/9

3:40 pm-8:59 pm

1 stop4h 19m

$178

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Fri 11/21

7:50 am-10:22 am

1 stop3h 32m

Seattle/Tacoma Intl

Sun 11/23

11:55 am-6:20 pm

1 stop5h 25m

$180

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Fri 12/5

7:50 am-10:22 am

1 stop3h 32m

Seattle/Tacoma Intl

Tue 12/9

3:10 pm-5:50 pm

Nonstop1h 40m

$183

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Fri 3/6

4:30 pm-10:06 pm

1 stop6h 36m

Seattle/Tacoma Intl

Sun 3/8

3:40 pm-10:44 pm

1 stop6h 04m

$185

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Thu 11/20

1:25 pm-2:20 pm

Nonstop1h 55m

Seattle/Tacoma Intl

Sun 11/23

11:55 am-6:20 pm

1 stop5h 25m

$193

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Thu 11/20

6:00 am-9:31 am

1 stop4h 31m

Seattle/Tacoma Intl

Sun 11/23

3:40 pm-10:44 pm

1 stop6h 04m

$197

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Tue 3/3

1:25 pm-2:19 pm

Nonstop1h 54m

Seattle/Tacoma Intl

Thu 3/5

3:10 pm-5:50 pm

Nonstop1h 40m

$197

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Thu 12/18

1:25 pm-2:20 pm

Nonstop1h 55m

Seattle/Tacoma Intl

Fri 1/23

11:55 am-6:15 pm

1 stop5h 20m

$198

EdmontonSeattle

YEG - SEA

YEGSEA

Edmonton

Wed 4/29

10:05 am-7:18 pm

2 stops10h 13m

Seattle/Tacoma Intl

Thu 4/30

3:40 pm-11:14 pm

1 stop6h 34m

$216

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/31

Showing 1-10 of 38 results
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Best time to book a flight from Alberta to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Alberta 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 Alberta to Seattle

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

Currently, September is the cheapest month in which you can book a flight from Alberta to Seattle (average of $108). Flying from Alberta to Seattle in December is currently the most expensive (average of $152). 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 AB to SEA?

Find hourly flight availability from Alberta 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 November 2, 2025.

One of the essential ways to save on airfare from Alberta to Seattle is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the evening could potentially save you up to 80% on airfare.

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

Use this chart to determine the cheapest time to fly round-trip from Alberta to Seattle. Price data was last updated on November 2, 2025.

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

Weekly flight availability from Alberta to Seattle

Explore weekly flight availability from Alberta 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 November 2, 2025.

The most flights from CAAB to SEA are scheduled on a Sunday (6 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (3 on average).

Related info for your journey

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

  • What airport do you fly into for flights to Seattle from Alberta?

    Most people fly into Seattle/Tacoma Intl (SEA) if they book a flight to Seattle from Alberta. Seattle/Tacoma Intl is conveniently located just 11.4 mi from Seattle’s city center.

  • How popular is this Alberta to Seattle flight route?

    The Alberta to Seattle/Tacoma Intl flight path was viewed by 61 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Alberta to Seattle?

    There are many flights that can get you from Alberta to Seattle in 3h 32m. Fly via Air Canada or WestJet to get the fastest option. There are 451 mi between Alberta and Seattle. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    The cheapest airlines for a one-way flight from Alberta to Seattle are WestJet ($101), Air Canada ($116), and United Airlines ($137).

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

    Consider Singapore Airlines (95%), Emirates (93%) or Qatar Airways (91%) when booking your flight. These represent the most reliable airlines when flying from Alberta to Seattle.

  • What are the cheapest flights from Alberta to Seattle?

    While on average a flight from Alberta to Seattle is generally $498, our data shows the cheapest flight currently is $122. When looking at the most popular route, (Calgary - Seattle/Tacoma Intl), you can expect to pay $175 for that flight.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Alberta 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 Alberta to Seattle?

    Currently, September is the cheapest month in which you can book a flight from Alberta to Seattle (average of $108). Flying from Alberta to Seattle in December is currently the most expensive (average of $152). 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
Olympia
Ocean Shores
Lynnwood
Edmonds
Leavenworth
Renton
Kirkland
Lacey
Kent
Federal Way
Cle Elum
Marysville
Puyallup
Chehalis
Fife
Issaquah

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Alberta to Seattle

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Alberta to Seattle

Discover the top 3 airlines that operate flights from Alberta 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 November 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$77Average$248FlexibilityNo cancel feeOn-time67%
WestJetCheapest$127Average$219FlexibilityNo cancel feeOn-time60%
Alaska AirlinesCheapest$190Average$368FlexibilityNo cancel feeOn-time75%

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