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$149+ 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 9/28. Fares are subject to change and may not be available on all flights or dates of travel.
YYC — SEA
Sep 3 — Sep 101
Thu 9/3
Thu 9/10
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 August 4, 2026.

This Cheapflightsfares deal was found by Cheapflights users on 7/31. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/163:00 pm
YEG
-
SEA
1 stop4h 45m
WestJet
Tue 10/207:35 pm
SEA
-
YEG
1 stop4h 09m
WestJet
Deal found 7/31$258
This Justfly.com deal was found by Cheapflights users on 7/31. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/196:10 am
YEG
-
SEA
1 stop4h 30m
WestJet
Wed 10/217:35 pm
SEA
-
YEG
1 stop4h 09m
WestJet
Deal found 7/31$262
This FlightHub deal was found by Cheapflights users on 8/2. 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.
Sat 10/173:00 pm
YEG
-
SEA
1 stop4h 45m
WestJet
Tue 10/207:35 pm
SEA
-
YEG
1 stop4h 09m
WestJet
Deal found 8/2$263
This Air Canada deal was found by Cheapflights users on 7/31. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/85:55 pm
YYC
-
SEA
2 stops16h 32m
Air Canada
Mon 11/167:05 pm
SEA
-
YYC
1 stop5h 44m
Air Canada
Deal found 7/31$273
This Mytrip deal was found by Cheapflights users on 8/2. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/247:05 pm
YYC
-
SEA
1 stop4h 37m
Air Canada
Mon 8/315:50 am
SEA
-
YYC
1 stop6h 20m
Air Canada
Deal found 8/2$274
This Cheapflightsfares deal was found by Cheapflights users on 8/1. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/106:10 am
YEG
-
SEA
1 stop4h 30m
WestJet
Thu 9/1710:30 am
SEA
-
YEG
1 stop3h 55m
WestJet
Deal found 8/1$274
This Justfly.com deal was found by Cheapflights users on 8/1. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/88:10 am
YYC
-
SEA
Nonstop0h 50m
Multiple Airlines
Mon 11/163:10 pm
SEA
-
YYC
Nonstop2h 40m
Multiple Airlines
Deal found 8/1$275
This Jettzy deal was found by Cheapflights users on 7/30. 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 Jettzy is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/135:50 pm
YYC
-
SEA
Nonstop1h 55m
Multiple Airlines
Sat 10/243:00 pm
SEA
-
YYC
1 stop3h 49m
Multiple Airlines
Deal found 7/30$276
This Air Canada deal was found by Cheapflights users on 7/30. 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.
Sat 8/153:50 pm
YYC
-
SEA
2 stops7h 52m
Air Canada
Sat 8/297:20 pm
SEA
-
YYC
1 stop5h 20m
Air Canada
Deal found 7/30$277
This Kiwi.com deal was found by Cheapflights users on 7/31. 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.
Mon 9/211:35 pm
YYC
-
SEA
1 stop21h 07m
Multiple Airlines
Thu 9/247:35 pm
SEA
-
YYC
Nonstop1h 40m
Multiple Airlines
Deal found 7/31$278
This Cheapflightsfares deal was found by Cheapflights users on 8/4. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/106:10 am
YEG
-
SEA
1 stop4h 30m
WestJet
Mon 9/147:35 pm
SEA
-
YEG
1 stop4h 09m
WestJet
Deal found 8/4$278
This Air Canada deal was found by Cheapflights users on 8/1. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/297:05 pm
YYC
-
SEA
1 stop4h 37m
Air Canada
Sat 9/57:20 pm
SEA
-
YYC
1 stop6h 05m
Air Canada
Deal found 8/1$279

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 August 4, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$258
(Cheapflightsfares)

One-way from

$149
(Cheapflightsfares)

Popular in

December

Cheapest in

November

Average price

$309

Good round-trip deal

$352 or less

Good one-way deal

$232 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, 10% potential price rise
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 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 August 4, 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

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Thu 9/17

1:41 pm-11:26 pm

1 stop10h 45m

Seattle/Tacoma Intl

Fri 9/18

5:50 am-3:02 pm

2 stops8h 12m

$292

EdmontonSeattle

YEG - SEA

YEGSEA

Edmonton

Wed 9/30

3:00 pm-6:45 pm

1 stop4h 45m

Seattle/Tacoma Intl

Sat 10/3

10:30 am-3:25 pm

1 stop3h 55m

$334

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Sun 11/1

6:00 am-7:41 am

1 stop3h 41m

Seattle/Tacoma Intl

Wed 11/4

3:10 pm-7:50 pm

Nonstop2h 40m

$338

EdmontonSeattle

YEG - SEA

YEGSEA

Edmonton

Thu 8/20

6:10 am-9:40 am

1 stop4h 30m

Seattle/Tacoma Intl

Sun 8/23

7:35 pm-12:05 pm

1 stop15h 30m

$338

EdmontonSeattle

YEG - SEA

YEGSEA

Edmonton

Wed 10/14

5:30 pm-10:42 pm

1 stop6h 12m

Seattle/Tacoma Intl

Sat 10/17

7:20 pm-1:03 am

1 stop4h 43m

$346

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Thu 10/1

3:22 pm-1:15 am

1 stop10h 53m

Seattle/Tacoma Intl

Sun 10/4

5:00 am-1:53 pm

1 stop7h 53m

$349

EdmontonSeattle

YEG - SEA

YEGSEA

Edmonton

Fri 8/28

3:17 pm-11:04 pm

1 stop8h 47m

Seattle/Tacoma Intl

Mon 8/31

5:50 am-4:44 pm

2 stops9h 54m

$349

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Sat 10/31

12:00 pm-4:59 pm

1 stop5h 59m

Seattle/Tacoma Intl

Wed 11/4

3:10 pm-7:50 pm

Nonstop2h 40m

$351

EdmontonSeattle

YEG - SEA

YEGSEA

Edmonton

Sun 8/30

3:17 pm-11:04 pm

1 stop8h 47m

Seattle/Tacoma Intl

Mon 8/31

5:50 am-4:44 pm

2 stops9h 54m

$353

EdmontonSeattle

YEG - SEA

YEGSEA

Edmonton

Fri 10/16

3:17 pm-9:15 pm

1 stop6h 58m

Seattle/Tacoma Intl

Mon 10/19

10:30 am-9:24 pm

2 stops9h 54m

$355

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/1

Showing 1-10 of 42 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, November is the cheapest month in which you can book a flight from Alberta to Seattle (average of $212). Flying from Alberta to Seattle in July is currently the most expensive (average of $344). 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 August 4, 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 50% 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 August 4, 2026.

The most flights from CAAB to SEA are scheduled on a Friday (15 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (6 on average).

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

Airfare is typical for this route at the moment.
Alberta to Seattle flights typically cost between $224 and $355 in September.
The cheapest round-trip price found within the last 5 days was $273 on Air Canada (Sep 28-Sep 29).

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 August 1, 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 mornings 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 3h 41m. Fly via WestJet, Delta, 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 ($100), Alaska Airlines ($103), and Air Canada ($115).

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

    Consider Japan Airlines (89%), Emirates (88%) or Scandinavian Airlines (86%) 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 $1,397, our data shows the cheapest flight currently is $156. When looking at the most popular route, (Calgary - Seattle/Tacoma Intl), you can expect to pay $211 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, November is the cheapest month in which you can book a flight from Alberta to Seattle (average of $212). Flying from Alberta to Seattle in July is currently the most expensive (average of $344). 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
Renton
Tacoma
Lacey
Leavenworth
Olympia
Tukwila
Edmonds
Snoqualmie
Tumwater
Centralia
Marysville
Puyallup
Kent
Ellensburg
Fife
Ocean Shores
Lakewood
Lynnwood
Poulsbo

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 August 4, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$139Average$302FlexibilityNo cancel feeOn-time67%
Alaska AirlinesCheapest$146Average$466FlexibilityNo cancel feeOn-time75%
WestJetCheapest$149Average$283FlexibilityNo cancel feeOn-time60%
DeltaCheapest$343Average$430FlexibilityNo cancel feeOn-timeN/A

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