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$122+ 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 6/27. Fares are subject to change and may not be available on all flights or dates of travel.
YYC — SEA
Jun 5 — Jun 121
Fri 6/5
Fri 6/12
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 May 6, 2026.

This FlightHub deal was found by Cheapflights users on 5/1. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/248:45 am
YYC
-
SEA
Nonstop1h 55m
WestJet
Fri 7/247:35 pm
SEA
-
YYC
Nonstop1h 40m
WestJet
Deal found 5/1$203
This Cheapflightsfares deal was found by Cheapflights users on 5/1. 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.
Sun 5/245:50 pm
YYC
-
SEA
Nonstop1h 55m
WestJet
Sat 5/3010:30 am
SEA
-
YYC
Nonstop1h 40m
WestJet
Deal found 5/1$204
This FlightHub deal was found by Cheapflights users on 5/3. 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.
Mon 7/68:45 am
YYC
-
SEA
Nonstop1h 55m
WestJet
Mon 7/1310:30 am
SEA
-
YYC
Nonstop1h 40m
WestJet
Deal found 5/3$205
This Super.com deal was found by Cheapflights users on 5/3. 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 5/285:50 pm
YYC
-
SEA
Nonstop1h 55m
WestJet
Sun 5/3110:30 am
SEA
-
YYC
Nonstop1h 40m
WestJet
Deal found 5/3$207
This Justfly.com deal was found by Cheapflights users on 5/2. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/47:55 pm
YYC
-
SEA
Nonstop2h 05m
WestJet
Tue 9/1510:30 am
SEA
-
YYC
Nonstop1h 40m
WestJet
Deal found 5/2$208
This FlightHub deal was found by Cheapflights users on 5/3. 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 7/75:50 pm
YYC
-
SEA
Nonstop1h 55m
WestJet
Tue 7/147:00 am
SEA
-
YYC
Nonstop1h 50m
WestJet
Deal found 5/3$210
This FlightHub deal was found by Cheapflights users on 5/3. 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.
Mon 7/68:45 am
YYC
-
SEA
Nonstop1h 55m
WestJet
Sun 7/127:35 pm
SEA
-
YYC
Nonstop1h 40m
WestJet
Deal found 5/3$211
This Cheapflightsfares deal was found by Cheapflights users on 5/2. 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 Cheapflightsfares 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 6/117:35 pm
SEA
-
YYC
Nonstop1h 40m
WestJet
Deal found 5/2$212
This Cheapflightsfares deal was found by Cheapflights users on 5/2. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/305:50 pm
YYC
-
SEA
Nonstop1h 55m
WestJet
Sat 6/610:30 am
SEA
-
YYC
Nonstop1h 40m
WestJet
Deal found 5/2$213
This Kiwi.com deal was found by Cheapflights users on 5/3. 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 7/87:55 pm
YYC
-
SEA
Nonstop2h 05m
WestJet
Wed 7/157:35 pm
SEA
-
YYC
Nonstop1h 40m
WestJet
Deal found 5/3$214
This Kiwi.com deal was found by Cheapflights users on 5/3. 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 7/68:45 am
YYC
-
SEA
Nonstop1h 55m
WestJet
Wed 7/157:35 pm
SEA
-
YYC
Nonstop1h 40m
WestJet
Deal found 5/3$215
This Kiwi.com deal was found by Cheapflights users on 5/3. 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 7/87:55 pm
YYC
-
SEA
Nonstop2h 05m
WestJet
Sun 7/127:35 pm
SEA
-
YYC
Nonstop1h 40m
WestJet
Deal found 5/3$216

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 May 6, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$203
(FlightHub)

One-way from

$122
(Cheapflightsfares)

Popular in

December

Cheapest in

November

Average price

$276

Good round-trip deal

$226 or less

Good one-way deal

$228 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, 3% 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 May 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 May 6, 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

Fri 6/19

6:00 am-10:07 am

1 stop5h 07m

Seattle/Tacoma Intl

Mon 6/22

3:00 pm-10:00 pm

1 stop6h 00m

$256

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Thu 8/6

3:15 pm-8:54 pm

1 stop6h 39m

Seattle/Tacoma Intl

Sun 8/9

7:00 am-9:50 am

Nonstop1h 50m

$288

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Wed 7/29

7:55 pm-9:00 pm

Nonstop2h 05m

Seattle/Tacoma Intl

Mon 8/10

3:35 pm-10:55 pm

1 stop6h 20m

$289

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Fri 8/7

8:45 am-9:40 am

Nonstop1h 55m

Seattle/Tacoma Intl

Mon 8/10

3:35 pm-10:55 pm

1 stop6h 20m

$289

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Fri 10/9

8:45 am-9:40 am

Nonstop1h 55m

Seattle/Tacoma Intl

Thu 10/22

9:20 am-4:15 pm

1 stop5h 55m

$297

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Fri 9/4

5:50 pm-6:45 pm

Nonstop1h 55m

Seattle/Tacoma Intl

Tue 9/15

9:20 am-3:15 pm

1 stop4h 55m

$297

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Wed 9/9

8:45 am-9:40 am

Nonstop1h 55m

Seattle/Tacoma Intl

Sun 9/13

7:20 am-1:10 pm

1 stop4h 50m

$297

EdmontonSeattle

YEG - SEA

YEGSEA

Edmonton

Sat 6/27

6:10 am-9:40 am

1 stop4h 30m

Seattle/Tacoma Intl

Sat 8/29

10:30 am-3:25 pm

1 stop3h 55m

$302

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Sun 5/17

3:15 pm-9:05 pm

1 stop6h 50m

Seattle/Tacoma Intl

Thu 6/11

7:35 pm-10:15 pm

Nonstop1h 40m

$306

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Fri 6/19

5:50 pm-6:45 pm

Nonstop1h 55m

Seattle/Tacoma Intl

Mon 6/22

3:22 pm-10:00 pm

1 stop5h 38m

$311

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/2

Showing 1-10 of 37 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

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

Booking 66 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 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 March is currently the most expensive (average of $150). 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 May 6, 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 66% 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 May 2, 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.

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 May 6, 2026.

The most flights from CAAB to SEA are scheduled on a Monday (7 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (4 on average).

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

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 48 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 Delta 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), Air Canada ($115), and Alaska Airlines ($117).

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

    Consider Horizon Air (82%), Korean Air (82%) or Delta (78%) 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 $665, our data shows the cheapest flight currently is $138. When looking at the most popular route, (Calgary - Seattle/Tacoma Intl), you can expect to pay $217 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 March is currently the most expensive (average of $150). 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
Lynnwood
Lacey
Edmonds
Leavenworth
Snoqualmie
Tumwater
Tukwila
Puyallup
Kent
Renton
Kirkland
Ellensburg
Fife
Lakewood
Issaquah
Shoreline

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 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 May 6, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$82Average$261FlexibilityNo cancel feeOn-time67%
WestJetCheapest$144Average$241FlexibilityNo cancel feeOn-time60%
Alaska AirlinesCheapest$182Average$393FlexibilityNo cancel feeOn-time75%

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