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$121+ 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 6/24. Fares are subject to change and may not be available on all flights or dates of travel.
YYC — SEA
Apr 20 — Apr 271
Mon 4/20
Mon 4/27
1 adult, Economy
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Cheap 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 March 21, 2026.

This Air Canada deal was found by Cheapflights users on 3/18. 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.
Wed 7/11:15 pm
YEG
-
SEA
1 stop6h 17m
Air Canada
Tue 7/143:00 pm
SEA
-
YEG
1 stop5h 44m
Air Canada
Deal found 3/18$205
This Air Canada deal was found by Cheapflights users on 3/19. 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 6/256:00 am
YEG
-
SEA
1 stop4h 52m
Air Canada
Wed 7/15:40 am
SEA
-
YEG
1 stop4h 53m
Air Canada
Deal found 3/19$213
This Super.com deal was found by Cheapflights users on 3/19. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/278:45 am
YYC
-
SEA
Nonstop1h 55m
WestJet
Sat 5/307:35 pm
SEA
-
YYC
Nonstop1h 40m
WestJet
Deal found 3/19$220
This Gotogate deal was found by Cheapflights users on 3/20. 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.
Thu 5/288:45 am
YYC
-
SEA
Nonstop1h 55m
WestJet
Sat 5/3010:30 am
SEA
-
YYC
Nonstop1h 40m
WestJet
Deal found 3/20$222
This Air Canada deal was found by Cheapflights users on 3/18. 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.
Fri 6/126:00 am
YYC
-
SEA
1 stop4h 50m
Air Canada
Sun 6/145:40 am
SEA
-
YYC
2 stops8h 22m
Air Canada
Deal found 3/18$224
This Air Canada deal was found by Cheapflights users on 3/19. 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 6/16:00 am
YYC
-
SEA
1 stop4h 50m
Air Canada
Thu 6/42:55 pm
SEA
-
YYC
1 stop6h 06m
Air Canada
Deal found 3/19$225
This oojo deal was found by Cheapflights users on 3/18. 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.
Sat 5/238:45 am
YYC
-
SEA
Nonstop1h 55m
WestJet
Tue 5/267:35 pm
SEA
-
YYC
Nonstop1h 40m
WestJet
Deal found 3/18$228
This Mytrip deal was found by Cheapflights users on 3/20. 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.
Fri 5/228:45 am
YYC
-
SEA
Nonstop1h 55m
WestJet
Sun 5/2410:30 am
SEA
-
YYC
Nonstop1h 40m
WestJet
Deal found 3/20$229
This Mytrip deal was found by Cheapflights users on 3/18. 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.
Thu 5/79:20 am
YYC
-
SEA
2 stops10h 10m
Air Canada
Mon 5/115:40 am
SEA
-
YYC
2 stops8h 22m
Air Canada
Deal found 3/18$231
This Kiwi.com deal was found by Cheapflights users on 3/17. 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 5/28:45 am
YYC
-
SEA
Nonstop1h 55m
WestJet
Sat 5/910:30 am
SEA
-
YYC
Nonstop1h 40m
WestJet
Deal found 3/17$232
This Kiwi.com deal was found by Cheapflights users on 3/20. 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.
Mon 5/45:50 pm
YYC
-
SEA
Nonstop1h 55m
WestJet
Mon 5/1110:30 am
SEA
-
YYC
Nonstop1h 40m
WestJet
Deal found 3/20$233
This Mytrip deal was found by Cheapflights users on 3/17. 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.
Sat 5/29:20 am
YYC
-
SEA
2 stops10h 10m
Air Canada
Sat 5/95:40 am
SEA
-
YYC
2 stops8h 22m
Air Canada
Deal found 3/17$234

Find flight deals from Alberta to Seattle

Keep the following information in mind while searching for Alberta to Seattle flight deals. Data was last updated March 21, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$205
(Air Canada)

One-way from

$121
(iWofly)

Popular in

December

Cheapest in

November

Average price

$250

Good round-trip deal

$259 or less

Good one-way deal

$216 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. 0% potential increase in price ($2 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
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 March 21, 2026.
Use the filters below to find and compare flights from Alberta to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

EdmontonSeattle

YEG - SEA

YEGSEA

Edmonton

Sat 4/25

3:17 pm-9:06 pm

1 stop6h 49m

Seattle/Tacoma Intl

Sun 4/26

5:00 am-10:04 pm

1 stop16h 04m

$273

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Tue 4/28

1:27 pm-11:27 pm

2 stops11h 00m

Seattle/Tacoma Intl

Wed 4/29

5:00 am-1:53 pm

1 stop7h 53m

$279

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Wed 4/8

8:00 pm-10:53 pm

1 stop3h 53m

Seattle/Tacoma Intl

Wed 4/15

3:40 pm-7:12 am

2 stops14h 32m

$293

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Wed 5/20

1:00 pm-6:40 pm

1 stop6h 40m

Seattle/Tacoma Intl

Sat 6/6

10:30 am-1:10 pm

Nonstop1h 40m

$321

EdmontonSeattle

YEG - SEA

YEGSEA

Edmonton

Tue 4/14

6:15 am-7:20 pm

2 stops14h 05m

Seattle/Tacoma Intl

Wed 4/15

8:00 pm-2:43 pm

2 stops17h 43m

$321

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Sun 5/10

3:22 pm-11:29 pm

1 stop9h 07m

Seattle/Tacoma Intl

Thu 5/14

5:00 am-12:19 pm

1 stop6h 19m

$323

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Wed 4/22

4:05 pm-8:50 pm

1 stop5h 45m

Seattle/Tacoma Intl

Tue 6/23

7:00 am-9:50 am

Nonstop1h 50m

$335

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Mon 5/4

8:45 am-9:40 am

Nonstop1h 55m

Seattle/Tacoma Intl

Mon 5/11

7:35 pm-10:15 pm

Nonstop1h 40m

$335

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Sat 6/6

8:45 am-9:40 am

Nonstop1h 55m

Seattle/Tacoma Intl

Sun 6/7

7:35 pm-12:44 am

1 stop4h 09m

$340

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Tue 4/28

5:50 pm-6:45 pm

Nonstop1h 55m

Seattle/Tacoma Intl

Wed 4/29

7:35 pm-10:15 pm

Nonstop1h 40m

$363

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/20

Showing 1-10 of 43 resultsSorted by cheapest first
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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 $103). Flying from Alberta to Seattle in December is currently the most expensive (average of $155). 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 March 21, 2026.

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 68% 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 March 14, 2026.

Travelers seeking maximum savings on their Alberta to Seattle flight should consider departing on Sunday at noon when fares are most often at their lowest. Tuesday at noon 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 March 21, 2026.

The most flights from CAAB to SEA are scheduled on a Tuesday (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 59 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 1h 55m. Fly via Delta, United Airlines, or Air Canada 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 ($94), Air Canada ($112), and Alaska Airlines ($117).

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

    Consider Horizon Air (90%), Korean Air (90%) or American Airlines (74%) 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 $330, our data shows the cheapest flight currently is $187. When looking at the most popular route, (Calgary - Seattle/Tacoma Intl), you can expect to pay $235 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 $103). Flying from Alberta to Seattle in December is currently the most expensive (average of $155). 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
Tacoma
Ocean Shores
Olympia
Kent
Lynnwood
Edmonds
Lacey
Renton
Puyallup
Kirkland
Ellensburg
Tukwila
Fife
Lakewood
Aberdeen
Shoreline
Marysville
Centralia
Federal Way

Browse thousands of different options on Cheapflights for your next trip

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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 March 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$56Average$235FlexibilityNo cancel feeOn-time67%
WestJetCheapest$127Average$229FlexibilityNo cancel feeOn-time60%
Alaska AirlinesCheapest$186Average$379FlexibilityNo cancel feeOn-time75%

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