Find flights
Deals
When to book
FAQs

Cheap flights from Alberta to Seattle from C$ 137

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 18/5. Fares are subject to change and may not be available on all flights or dates of travel.
YYC — SEA
2 Mar — 9 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Alberta to Seattle

Enter your travel dates to find the best prices.

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 31 January 2026.

Sat 28/37:50 a.m.
YYC
-
SEA
1 stop3h 35m
WestJet
Sun 29/311:55 a.m.
SEA
-
YYC
1 stop5h 23m
WestJet
Deal found 29/1C$ 217
Thu 5/31:25 p.m.
YYC
-
SEA
Nonstop1h 54m
WestJet
Sun 8/311:55 a.m.
SEA
-
YYC
1 stop5h 23m
WestJet
Deal found 30/1C$ 222
Wed 29/45:50 p.m.
YYC
-
SEA
Nonstop1h 55m
WestJet
Wed 13/510:30 a.m.
SEA
-
YYC
Nonstop1h 40m
WestJet
Deal found 29/1C$ 224
Fri 27/27:50 a.m.
YYC
-
SEA
1 stop3h 35m
WestJet
Fri 6/311:55 a.m.
SEA
-
YYC
1 stop4h 20m
WestJet
Deal found 30/1C$ 226
Thu 5/36:00 a.m.
YYC
-
SEA
1 stop4h 35m
Air Canada
Sun 8/33:40 p.m.
SEA
-
YYC
1 stop6h 04m
Air Canada
Deal found 30/1C$ 228
Fri 3/41:25 p.m.
YYC
-
SEA
Nonstop1h 54m
WestJet
Mon 6/411:55 a.m.
SEA
-
YYC
1 stop5h 18m
WestJet
Deal found 28/1C$ 232
Mon 6/41:25 p.m.
YYC
-
SEA
Nonstop1h 54m
WestJet
Mon 20/411:55 a.m.
SEA
-
YYC
1 stop4h 18m
WestJet
Deal found 28/1C$ 233
Thu 5/31:25 p.m.
YYC
-
SEA
Nonstop1h 54m
WestJet
Mon 9/33:10 p.m.
SEA
-
YYC
Nonstop1h 40m
WestJet
Deal found 30/1C$ 234
Thu 26/29:00 a.m.
YEG
-
SEA
1 stop6h 19m
WestJet
Fri 6/311:55 a.m.
SEA
-
YEG
1 stop3h 54m
WestJet
Deal found 30/1C$ 260
Wed 25/29:00 a.m.
YEG
-
SEA
1 stop6h 19m
WestJet
Fri 6/311:55 a.m.
SEA
-
YEG
1 stop3h 54m
WestJet
Deal found 30/1C$ 261
Sat 7/310:10 a.m.
YEG
-
SEA
2 stops10h 06m
Air Canada
Sun 8/38:00 p.m.
SEA
-
YEG
1 stop13h 02m
Air Canada
Deal found 30/1C$ 268
Fri 27/26:15 a.m.
YEG
-
SEA
1 stop4h 00m
Air Canada
Sat 7/310:05 a.m.
SEA
-
YEG
2 stops10h 38m
Air Canada
Deal found 30/1C$ 276

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 31 January 2026.

Round-trip from

C$ 217

One-way from

C$ 137

Popular in

December

Cheapest in

July

Average price

C$ 374

Good round-trip deal

C$ 477 or less

Good one-way deal

C$ 540 or less
WestJet
  • WestJet
  • 28/3-29/3
  • 2 total stops
  • 8h 58m total
  • Alberta to Seattle
Search Deals
WestJet
  • WestJet
  • 18/5
  • Nonstop
  • 1h 55m total
  • Alberta to Seattle
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (C$ 61 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (C$ 18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 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 629,999 searches. Data last updated 31 January 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 5/3

1:25 p.m.-2:19 p.m.

Nonstop1h 54m

Seattle/Tacoma Intl

Sun 8/3

3:10 p.m.-5:50 p.m.

Nonstop1h 40m

C$ 222

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Tue 14/4

1:25 p.m.-2:19 p.m.

Nonstop1h 54m

Seattle/Tacoma Intl

Wed 15/4

3:10 p.m.-5:50 p.m.

Nonstop1h 40m

C$ 226

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Fri 27/2

1:25 p.m.-2:19 p.m.

Nonstop1h 54m

Seattle/Tacoma Intl

Fri 6/3

11:55 a.m.-6:18 p.m.

1 stop5h 23m

C$ 229

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Fri 24/4

1:25 p.m.-2:19 p.m.

Nonstop1h 54m

Seattle/Tacoma Intl

Mon 27/4

7:35 p.m.-10:15 p.m.

Nonstop1h 40m

C$ 232

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Fri 27/3

7:50 a.m.-10:25 a.m.

1 stop3h 35m

Seattle/Tacoma Intl

Mon 30/3

11:55 a.m.-5:15 p.m.

1 stop4h 20m

C$ 236

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Mon 6/4

7:50 a.m.-10:25 a.m.

1 stop3h 35m

Seattle/Tacoma Intl

Tue 21/4

3:10 p.m.-5:50 p.m.

Nonstop1h 40m

C$ 240

EdmontonSeattle

YEG - SEA

YEGSEA

Edmonton

Tue 3/3

9:00 a.m.-2:19 p.m.

1 stop6h 19m

Seattle/Tacoma Intl

Fri 6/3

11:55 a.m.-4:49 p.m.

1 stop3h 54m

C$ 260

EdmontonSeattle

YEG - SEA

YEGSEA

Edmonton

Thu 26/2

9:00 a.m.-2:19 p.m.

1 stop6h 19m

Seattle/Tacoma Intl

Fri 6/3

11:55 a.m.-4:49 p.m.

1 stop3h 54m

C$ 260

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Sat 18/4

11:30 p.m.-10:25 a.m.

2 stops11h 55m

Seattle/Tacoma Intl

Mon 27/4

7:35 p.m.-10:15 p.m.

Nonstop1h 40m

C$ 266

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Thu 5/3

8:25 a.m.-10:56 p.m.

2 stops15h 31m

Seattle/Tacoma Intl

Sun 8/3

3:40 p.m.-10:44 p.m.

1 stop6h 04m

C$ 270

Flights are sorted by cheapest round-trip flights first.

Deals found on 29/1

Showing 1-10 of 42 results
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, September is the cheapest month in which you can book a flight from Alberta to Seattle (average of C$ 145). Flying from Alberta to Seattle in December is currently the most expensive (average of C$ 210). 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 31 January 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 67% 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 24 January 2026.

Travelers seeking maximum savings on their Alberta to Seattle flight should consider departing on Friday evenings 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 31 January 2026.

The most flights from CAAB to SEA are scheduled on a Saturday (6 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (2 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 18.4 km from Seattle’s city centre.

  • How popular is this Alberta to Seattle flight route?

    The Alberta to Seattle/Tacoma Intl flight path was viewed by 2,402 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?

    Airlines like WestJet and Air Canada fly from Alberta to Seattle in about 3h 35m. The time it takes to get you to your destination can typically vary by up to 2h 15m. Alberta and Seattle are separated by a distance of 726 km. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Alberta to Seattle one-way?

    The cheapest airline one-way is Alaska Airlines, with whom users have recently found tickets for as low as C$ 101. However, be on the lookout for offers from Air Canada and WestJet, as they are both options that can get you from Alberta to Seattle for a low price.

  • What are the most popular routes from Alberta to Seattle?

    While some choose either Edmonton - Seattle/Tacoma Intl or Medicine Hat - Seattle/Tacoma Intl, Calgary - Seattle/Tacoma Intl is the most popular route from Alberta to Seattle.

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

    Consider Alaska Airlines (88%), Horizon Air (88%) or Delta (71%) 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?

    On average you can expect to pay C$ 1,997 for a flight from Alberta to Seattle. The cheapest flight overall is C$ 142 while the most popular route, (Calgary - Seattle/Tacoma Intl) is currently priced at C$ 233.

  • 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 C$ 145). Flying from Alberta to Seattle in December is currently the most expensive (average of C$ 210). 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

Travelling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Leavenworth
SeaTac
Mukilteo
Tacoma
Kent
Bothell
Cashmere
Tukwila
Olympia
Renton
Marysville
Lynnwood
Kirkland

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.

Alternative routes for Alberta to Seattle

See prices for flight routes from nearby airports that may be better suited for you.
Pearson Intl to Seattle flights
Vancouver Intl to Seattle flights
Calgary to Seattle flights
Edmonton to Seattle flights
Winnipeg to Seattle flights
Hamilton to Seattle flights
Vancouver Intl to Portland flights
Toronto Island to Seattle flights
Pierre Elliott Trudeau Intl to Seattle flights
Ottawa to Seattle flights
Region of Waterloo Intl to Seattle flights
Pierre Elliott Trudeau Intl to Portland flights
Victoria to Seattle flights
Pearson Intl to Portland flights
Ottawa to Portland flights
Kelowna to Seattle flights
Calgary to Portland flights
Edmonton to Portland flights
Vancouver Intl to Spokane flights
Québec City to Seattle flights
Toronto Island to Portland flights
Saskatoon to Portland flights
Winnipeg to Portland flights
Saskatoon to Seattle flights
Hamilton to Portland flights
Victoria to Portland flights
Calgary to Spokane flights
Edmonton to Spokane flights
Pierre Elliott Trudeau Intl to Spokane flights
Prince George to Seattle flights
Fort St. John to Portland flights
London to Seattle flights
Regina to Portland flights
Pearson Intl to Spokane flights
Halifax to Seattle flights
Region of Waterloo Intl to Portland flights
Regina to Seattle flights
London to Portland flights
Nanaimo to Portland flights
Vancouver Intl to Bellingham flights
Québec City to Portland flights
Kelowna to Portland flights
Kamloops to Portland flights
Pierre Elliott Trudeau Intl to Pasco flights
Vancouver Intl to Pullman flights
Kelowna to Bellingham flights
Pearson Intl to Pasco flights
Fort St. John to Spokane flights
Thunder Bay to Portland flights

Top 6 airlines flying from Alberta to Seattle

Discover the top 6 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 629,999 searches. Data last updated 31 January 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 155AverageC$ 301FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 165AverageC$ 267FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
WestJetCheapestC$ 185AverageC$ 329FlexibilityNo cancel feeOn-time60%
Search WestJet flights
DeltaCheapestC$ 198AverageC$ 332FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Alaska AirlinesCheapestC$ 212AverageC$ 384FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
Hawaiian AirlinesCheapestC$ 265AverageC$ 421FlexibilityNo cancel feeOn-time85%
Search Hawaiian Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Alberta to Seattle?

Deals for Alberta to Seattle flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Alberta to Seattle?

Cheapflights helps you find that perfect flight to Seattle from Alberta by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Alberta to Seattle with no change fees?

Certainly. Search results for flights to Seattle from Alberta shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Alberta to Seattle become cheaper?

Of course! You can now track prices for flights from Alberta to Seattle and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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.