HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Seattle

$147+ 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 10/6. Fares are subject to change and may not be available on all flights or dates of travel.
YYC — SEA
Jul 20 — Jul 271
Mon 7/20
Mon 7/27
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Alberta 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.

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 June 20, 2026.

This Trip.com deal was found by Cheapflights users on 6/19. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/88:45 am
YYC
-
SEA
Nonstop1h 55m
Multiple Airlines
Sun 10/118:05 am
SEA
-
YYC
Nonstop1h 38m
Multiple Airlines
Deal found 6/19$238
This Trip.com deal was found by Cheapflights users on 6/20. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1612:35 pm
YYC
-
SEA
2 stops10h 22m
Air Canada
Wed 11/183:15 pm
SEA
-
YYC
1 stop6h 29m
Air Canada
Deal found 6/20$254
This Trip.com deal was found by Cheapflights users on 6/18. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/61:25 pm
YYC
-
SEA
Nonstop0h 55m
Multiple Airlines
Tue 12/85:57 pm
SEA
-
YYC
Nonstop1h 30m
Multiple Airlines
Deal found 6/18$266
This Justfly.com deal was found by Cheapflights users on 6/20. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/238:45 am
YYC
-
SEA
Nonstop1h 55m
WestJet
Thu 10/157:35 pm
SEA
-
YYC
Nonstop1h 40m
WestJet
Deal found 6/20$268
This Trip.com deal was found by Cheapflights users on 6/18. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/248:45 am
YYC
-
SEA
Nonstop1h 55m
Multiple Airlines
Sat 9/268:10 pm
SEA
-
YYC
Nonstop1h 36m
Multiple Airlines
Deal found 6/18$269
This FlightHub deal was found by Cheapflights users on 6/20. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/255:50 pm
YYC
-
SEA
Nonstop1h 55m
WestJet
Sun 9/2710:30 am
SEA
-
YYC
Nonstop1h 40m
WestJet
Deal found 6/20$270
This oojo deal was found by Cheapflights users on 6/18. 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.
Wed 11/41:25 pm
YYC
-
SEA
Nonstop0h 55m
WestJet
Mon 11/93:10 pm
SEA
-
YYC
Nonstop2h 40m
WestJet
Deal found 6/18$271
This FlightHub deal was found by Cheapflights users on 6/20. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/225:50 pm
YYC
-
SEA
Nonstop1h 55m
WestJet
Thu 10/157:35 pm
SEA
-
YYC
Nonstop1h 40m
WestJet
Deal found 6/20$273
This Air Canada deal was found by Cheapflights users on 6/17. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/66:30 pm
YYC
-
SEA
1 stop4h 27m
Air Canada
Tue 12/83:15 pm
SEA
-
YYC
1 stop6h 29m
Air Canada
Deal found 6/17$277
This Mytrip deal was found by Cheapflights users on 6/16. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/148:45 am
YYC
-
SEA
Nonstop1h 55m
WestJet
Thu 9/1710:30 am
SEA
-
YYC
Nonstop1h 40m
WestJet
Deal found 6/16$278
This Kiwi.com deal was found by Cheapflights users on 6/17. 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.
Wed 10/148:45 am
YYC
-
SEA
Nonstop1h 55m
WestJet
Sat 10/177:35 pm
SEA
-
YYC
Nonstop1h 40m
WestJet
Deal found 6/17$279
This Super.com deal was found by Cheapflights users on 6/17. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/123:00 pm
YEG
-
SEA
1 stop4h 45m
WestJet
Tue 10/273:10 pm
SEA
-
YEG
1 stop6h 37m
WestJet
Deal found 6/17$296

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 June 20, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$238
(Trip.com)

One-way from

$147

Popular in

December

Cheapest in

November

Average price

$317

Good round-trip deal

$398 or less

Good one-way deal

$214 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
High demand for flights, 5% potential price rise
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 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 June 20, 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
Quickest round-trip

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Wed 9/23

6:33 am-7:20 am

Nonstop1h 47m

Seattle/Tacoma Intl

Tue 10/13

8:05 am-10:43 am

Nonstop1h 38m

$290

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Thu 7/23

7:15 pm-8:00 am

1 stop13h 45m

Seattle/Tacoma Intl

Mon 7/27

5:45 am-3:02 pm

2 stops8h 17m

$325

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Fri 7/17

7:15 pm-8:00 am

1 stop13h 45m

Seattle/Tacoma Intl

Tue 7/21

5:45 am-3:02 pm

2 stops8h 17m

$325

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Thu 8/27

1:41 pm-11:26 pm

1 stop10h 45m

Seattle/Tacoma Intl

Mon 8/31

5:50 am-3:02 pm

2 stops8h 12m

$325

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Tue 9/1

1:41 pm-6:29 pm

1 stop5h 48m

Seattle/Tacoma Intl

Fri 9/4

5:50 am-3:02 pm

2 stops8h 12m

$337

EdmontonSeattle

YEG - SEA

YEGSEA

Edmonton

Sat 8/29

3:00 pm-6:45 pm

1 stop4h 45m

Seattle/Tacoma Intl

Wed 9/9

10:30 am-3:25 pm

1 stop3h 55m

$362

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Fri 7/3

6:00 am-11:24 pm

2 stops18h 24m

Seattle/Tacoma Intl

Sun 7/5

5:45 am-6:31 pm

2 stops11h 46m

$363

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Sun 12/6

1:25 pm-1:20 pm

Nonstop0h 55m

Seattle/Tacoma Intl

Tue 12/8

9:20 am-4:20 pm

1 stop6h 00m

$368

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Sat 9/26

5:50 pm-6:45 pm

Nonstop1h 55m

Seattle/Tacoma Intl

Tue 10/13

7:20 am-1:10 pm

1 stop4h 50m

$372

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Thu 9/24

5:50 pm-6:45 pm

Nonstop1h 55m

Seattle/Tacoma Intl

Wed 10/14

9:20 am-3:15 pm

1 stop4h 55m

$372

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/17

Showing 1-10 of 45 resultsSorted by cheapest first
1
2
3
...
5

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, October is the cheapest month in which you can book a flight from Alberta to Seattle (average of $52). Flying from Alberta to Seattle in July is currently the most expensive (average of $167). 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 June 20, 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 65% on airfare.

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 June 20, 2026.

The most flights from CAAB to SEA are scheduled on a Friday (16 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (9 on average).

How much does it cost to fly round-trip from Alberta to Seattle?

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

Booking 56 days in advance of your planned departure date is, on average, the best time to get cheap flights from Alberta to Seattle. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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 June 20, 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.

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 38 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 47m. Fly via Alaska Airlines 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 ($98), Alaska Airlines ($103), and Air Canada ($115).

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

    Consider Japan Airlines (100%), Hawaiian Airlines (100%) or WestJet Encore (100%) 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 $656, our data shows the cheapest flight currently is $148. When looking at the most popular route, (Edmonton - Seattle/Tacoma Intl), you can expect to pay $325 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, October is the cheapest month in which you can book a flight from Alberta to Seattle (average of $52). Flying from Alberta to Seattle in July is currently the most expensive (average of $167). 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
Lacey
Ocean Shores
Leavenworth
Olympia
Edmonds
Snoqualmie
Tumwater
Tukwila
Puyallup
Kent
Lynnwood
Renton
Ellensburg
Fife
Lakewood
Issaquah
Shoreline
Marysville

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.

Top 4 airlines flying from Alberta to Seattle

Discover the top 4 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 June 20, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$56Average$277FlexibilityNo cancel feeOn-time67%
WestJetCheapest$144Average$241FlexibilityNo cancel feeOn-time60%
Alaska AirlinesCheapest$146Average$375FlexibilityNo cancel feeOn-time75%
DeltaCheapest$343Average$405FlexibilityNo cancel feeOn-timeN/A

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.
Site
©2026 Cheapflights