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Cheap flights from Alberta to Seattle from C$ 166

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 27/6. Fares are subject to change and may not be available on all flights or dates of travel.
YYC — SEA
6 Jun — 13 Jun1
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 7 May 2026.

Mon 10/87:55 p.m.
YYC
-
SEA
Nonstop2h 05m
WestJet
Thu 13/810:30 a.m.
SEA
-
YYC
Nonstop1h 40m
WestJet
Deal found 2/5C$ 278
Mon 6/78:45 a.m.
YYC
-
SEA
Nonstop1h 55m
WestJet
Mon 13/710:30 a.m.
SEA
-
YYC
Nonstop1h 40m
WestJet
Deal found 3/5C$ 279
Thu 28/55:50 p.m.
YYC
-
SEA
Nonstop1h 55m
WestJet
Sun 31/510:30 a.m.
SEA
-
YYC
Nonstop1h 40m
WestJet
Deal found 3/5C$ 282
Fri 4/97:55 p.m.
YYC
-
SEA
Nonstop2h 05m
WestJet
Tue 15/910:30 a.m.
SEA
-
YYC
Nonstop1h 40m
WestJet
Deal found 2/5C$ 283
Tue 7/75:50 p.m.
YYC
-
SEA
Nonstop1h 55m
WestJet
Tue 14/77:00 a.m.
SEA
-
YYC
Nonstop1h 50m
WestJet
Deal found 3/5C$ 286
Mon 6/78:45 a.m.
YYC
-
SEA
Nonstop1h 55m
WestJet
Sun 12/77:35 p.m.
SEA
-
YYC
Nonstop1h 40m
WestJet
Deal found 3/5C$ 287
Sun 17/58:45 a.m.
YYC
-
SEA
Nonstop1h 55m
WestJet
Thu 11/67:35 p.m.
SEA
-
YYC
Nonstop1h 40m
WestJet
Deal found 2/5C$ 289
Wed 8/77:55 p.m.
YYC
-
SEA
Nonstop2h 05m
WestJet
Wed 15/77:35 p.m.
SEA
-
YYC
Nonstop1h 40m
WestJet
Deal found 3/5C$ 291
Mon 6/78:45 a.m.
YYC
-
SEA
Nonstop1h 55m
WestJet
Wed 15/77:35 p.m.
SEA
-
YYC
Nonstop1h 40m
WestJet
Deal found 3/5C$ 293
Wed 8/77:55 p.m.
YYC
-
SEA
Nonstop2h 05m
WestJet
Sun 12/77:35 p.m.
SEA
-
YYC
Nonstop1h 40m
WestJet
Deal found 3/5C$ 294
Thu 9/78:45 a.m.
YYC
-
SEA
Nonstop1h 55m
WestJet
Fri 10/77:35 p.m.
SEA
-
YYC
Nonstop1h 40m
WestJet
Deal found 3/5C$ 297
Thu 11/65:50 p.m.
YYC
-
SEA
Nonstop1h 55m
WestJet
Sun 14/67:35 p.m.
SEA
-
YYC
Nonstop1h 40m
WestJet
Deal found 2/5C$ 299

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 7 May 2026.

Round-trip from

C$ 278

One-way from

C$ 166

Popular in

December

Cheapest in

November

Average price

C$ 376

Good round-trip deal

C$ 494 or less

Good one-way deal

C$ 272 or less
WestJet
  • WestJet
  • 10/8-13/8
  • Nonstop
  • 3h 45m total
  • Alberta to Seattle
Search Deals
WestJet
  • WestJet
  • 27/6
  • Nonstop
  • 1h 55m total
  • Alberta to Seattle
Search Deals
High demand for flights, 3% potential price rise
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 14 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 629,999 searches. Data last updated 7 May 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

Sat 23/5

9:20 a.m.-6:30 p.m.

2 stops10h 10m

Seattle/Tacoma Intl

Sun 24/5

5:50 a.m.-3:02 p.m.

2 stops8h 12m

C$ 314

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Wed 19/8

11:35 p.m.-7:36 a.m.

1 stop9h 01m

Seattle/Tacoma Intl

Tue 25/8

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

Nonstop1h 40m

C$ 392

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Wed 29/7

7:55 p.m.-9:00 p.m.

Nonstop2h 05m

Seattle/Tacoma Intl

Mon 10/8

3:35 p.m.-10:55 p.m.

1 stop6h 20m

C$ 393

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Fri 7/8

8:45 a.m.-9:40 a.m.

Nonstop1h 55m

Seattle/Tacoma Intl

Mon 10/8

3:35 p.m.-10:55 p.m.

1 stop6h 20m

C$ 393

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Fri 4/9

5:50 p.m.-6:45 p.m.

Nonstop1h 55m

Seattle/Tacoma Intl

Tue 15/9

9:20 a.m.-3:15 p.m.

1 stop4h 55m

C$ 404

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Wed 9/9

8:45 a.m.-9:40 a.m.

Nonstop1h 55m

Seattle/Tacoma Intl

Sun 13/9

7:20 a.m.-1:10 p.m.

1 stop4h 50m

C$ 404

EdmontonSeattle

YEG - SEA

YEGSEA

Edmonton

Tue 30/6

6:10 a.m.-9:40 a.m.

1 stop4h 30m

Seattle/Tacoma Intl

Sat 18/7

7:00 a.m.-12:05 p.m.

1 stop4h 05m

C$ 411

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Sun 17/5

3:15 p.m.-9:05 p.m.

1 stop6h 50m

Seattle/Tacoma Intl

Thu 11/6

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

Nonstop1h 40m

C$ 416

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Wed 17/6

7:55 p.m.-9:00 p.m.

Nonstop2h 05m

Seattle/Tacoma Intl

Wed 24/6

10:30 a.m.-1:10 p.m.

Nonstop1h 40m

C$ 425

EdmontonSeattle

YEG - SEA

YEGSEA

Edmonton

Tue 30/6

3:00 p.m.-6:45 p.m.

1 stop4h 45m

Seattle/Tacoma Intl

Wed 1/7

7:35 p.m.-10:50 a.m.

2 stops14h 15m

C$ 440

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/5

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

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

The best time to book flights from Alberta to Seattle is 66 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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 C$ 71). Flying from Alberta to Seattle in March is currently the most expensive (average of C$ 204). 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 7 May 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 55% 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 2 May 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 7 May 2026.

The most flights from CAAB to SEA are scheduled on a Thursday (6 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (1 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 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 1,909 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 Air Canada, Delta, and WestJet fly from Alberta to Seattle in about 4h 30m. The time it takes to get you to your destination can typically vary by up to 5h 40m. Alberta and Seattle are separated by a distance of 896 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 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?

    On average you can expect to pay C$ 833 for a flight from Alberta to Seattle. The cheapest flight overall is C$ 181 while the most popular route, (Calgary - Seattle/Tacoma Intl) is currently priced at C$ 343.

  • 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 C$ 71). Flying from Alberta to Seattle in March is currently the most expensive (average of C$ 204). 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
SeaTac
Leavenworth
Mukilteo
Kent
Tacoma
Bothell
Cashmere
Olympia
Renton
Marysville
Lynnwood
Kirkland
Tukwila

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 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 629,999 searches. Data last updated 7 May 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 150AverageC$ 316FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
WestJetCheapestC$ 187AverageC$ 319FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Alaska AirlinesCheapestC$ 213AverageC$ 379FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
United AirlinesCheapestC$ 226AverageC$ 290FlexibilityNo cancel feeOn-time69%
Search United 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.

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