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$104+ 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 6/4. Fares are subject to change and may not be available on all flights or dates of travel.
YYC — SEA
Mar 5 — Mar 121
Thu 3/5
Thu 3/12
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 February 3, 2026.

This Super.com deal was found by Cheapflights users on 2/1. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/78:45 am
YYC
-
SEA
Nonstop1h 55m
WestJet
Sun 5/107:35 pm
SEA
-
YYC
Nonstop1h 40m
WestJet
Deal found 2/1$161
This Trip.com deal was found by Cheapflights users on 1/31. 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.
Thu 5/78:45 am
YYC
-
SEA
Nonstop1h 55m
WestJet
Mon 5/1110:30 am
SEA
-
YYC
Nonstop1h 40m
WestJet
Deal found 1/31$167
This oojo deal was found by Cheapflights users on 2/2. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/295:50 pm
YYC
-
SEA
Nonstop1h 55m
WestJet
Wed 5/137:35 pm
SEA
-
YYC
Nonstop1h 40m
WestJet
Deal found 2/2$168
This oojo deal was found by Cheapflights users on 2/1. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/261:25 pm
YYC
-
SEA
Nonstop1h 54m
WestJet
Mon 3/3011:55 am
SEA
-
YYC
1 stop4h 20m
WestJet
Deal found 2/1$181
This Trip.com deal was found by Cheapflights users on 2/1. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/111:25 pm
YYC
-
SEA
Nonstop1h 54m
WestJet
Wed 5/1310:30 am
SEA
-
YYC
Nonstop1h 40m
WestJet
Deal found 2/1$187
This Trip.com deal was found by Cheapflights users on 2/1. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/187:50 pm
YYC
-
SEA
1 stop4h 07m
Air Canada
Wed 3/255:40 am
SEA
-
YYC
1 stop5h 09m
Air Canada
Deal found 2/1$188
This Trip.com deal was found by Cheapflights users on 2/1. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/27:50 am
YYC
-
SEA
1 stop3h 35m
WestJet
Mon 3/93:10 pm
SEA
-
YYC
Nonstop1h 40m
WestJet
Deal found 2/1$189
This FlightHub deal was found by Cheapflights users on 2/2. 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 4/187:50 am
YYC
-
SEA
1 stop3h 35m
WestJet
Mon 4/277:35 pm
SEA
-
YYC
Nonstop1h 40m
WestJet
Deal found 2/2$190
This Trip.com deal was found by Cheapflights users on 1/31. 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 3/179:00 am
YEG
-
SEA
1 stop6h 19m
WestJet
Thu 4/163:10 pm
SEA
-
YEG
1 stop6h 37m
WestJet
Deal found 1/31$190
This oojo deal was found by Cheapflights users on 2/1. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/178:45 am
YYC
-
SEA
Nonstop1h 55m
WestJet
Thu 6/1110:30 am
SEA
-
YYC
Nonstop1h 40m
WestJet
Deal found 2/1$194
This Air Canada deal was found by Cheapflights users on 2/2. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/294:30 pm
YYC
-
SEA
1 stop3h 48m
Air Canada
Wed 5/137:20 pm
SEA
-
YYC
1 stop5h 21m
Air Canada
Deal found 2/2$197
This Air Canada deal was found by Cheapflights users on 2/1. 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.
Wed 3/1111:20 am
YYC
-
SEA
1 stop4h 41m
Air Canada
Wed 5/133:00 pm
SEA
-
YYC
1 stop5h 51m
Air Canada
Deal found 2/1$201

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 February 3, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$161
(Super.com)

One-way from

$104
(Mytrip)

Popular in

December

Cheapest in

July

Average price

$277

Good round-trip deal

$378 or less

Good one-way deal

$202 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. 12% potential increase in price ($33 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 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 February 3, 2026.
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

Thu 5/7

8:45 am-9:40 am

Nonstop1h 55m

Seattle/Tacoma Intl

Sun 5/10

7:35 pm-10:15 pm

Nonstop1h 40m

$161

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Sat 4/18

7:50 am-10:25 am

1 stop3h 35m

Seattle/Tacoma Intl

Mon 4/27

7:35 pm-10:15 pm

Nonstop1h 40m

$190

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Sun 5/17

8:45 am-9:40 am

Nonstop1h 55m

Seattle/Tacoma Intl

Thu 6/11

10:30 am-1:10 pm

Nonstop1h 40m

$194

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Thu 3/26

7:50 pm-10:57 pm

1 stop4h 07m

Seattle/Tacoma Intl

Mon 3/30

3:40 pm-9:30 pm

1 stop4h 50m

$202

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Thu 4/2

11:00 am-10:25 am

1 stop24h 25m

Seattle/Tacoma Intl

Mon 4/6

11:55 am-6:13 pm

1 stop5h 18m

$203

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Mon 3/2

3:00 pm-7:16 pm

1 stop5h 16m

Seattle/Tacoma Intl

Tue 3/17

3:40 pm-10:44 pm

1 stop6h 04m

$204

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Wed 3/18

3:00 pm-7:16 pm

1 stop5h 16m

Seattle/Tacoma Intl

Thu 3/19

3:40 pm-10:44 pm

1 stop6h 04m

$204

EdmontonSeattle

YEG - SEA

YEGSEA

Edmonton

Tue 3/31

11:30 am-3:03 pm

1 stop4h 33m

Seattle/Tacoma Intl

Wed 4/29

3:40 pm-11:14 pm

1 stop6h 34m

$205

EdmontonSeattle

YEG - SEA

YEGSEA

Edmonton

Sat 5/9

6:00 am-9:15 am

1 stop4h 15m

Seattle/Tacoma Intl

Sat 5/16

5:40 am-10:54 am

1 stop4h 14m

$205

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Wed 5/27

5:50 pm-6:45 pm

Nonstop1h 55m

Seattle/Tacoma Intl

Tue 6/2

7:35 pm-10:15 pm

Nonstop1h 40m

$206

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/1

Showing 1-10 of 45 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 $107). 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 February 3, 2026.

One of the essential ways to save on airfare from Alberta to Seattle is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the evening could potentially save you up to 72% 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 January 31, 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 February 3, 2026.

The most flights from CAAB to SEA are scheduled on a Sunday (7 on average). You will have fewer flight options on Wednesday, 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 1h 55m. Fly via WestJet, Air Canada, or United Airlines 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 ($93), Air Canada ($105), and Alaska Airlines ($114).

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

    Consider Alaska Airlines (86%), Horizon Air (86%) or Hawaiian Airlines (72%) 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 $779, our data shows the cheapest flight currently is $153. When looking at the most popular route, (Calgary - Seattle/Tacoma Intl), you can expect to pay $189 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 $107). 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
Tacoma
SeaTac
Lakewood
Ocean Shores
Olympia
Lynnwood
Edmonds
Lacey
Renton
Puyallup
Kirkland
Kent
Tukwila
Fife
Aberdeen
Shoreline
Marysville
Centralia
Federal Way
Chehalis

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 February 3, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$56Average$225FlexibilityNo cancel feeOn-time67%
WestJetCheapest$127Average$220FlexibilityNo cancel feeOn-time60%
Alaska AirlinesCheapest$186Average$379FlexibilityNo cancel feeOn-time75%

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