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Cheap flights from Alberta to Seattle from C$ 91

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 29/9. Fares are subject to change and may not be available on all flights or dates of travel.
YYC — SEA
16 Oct — 23 Oct1
1 adult
1 adult, Economy

Cheap flight deals from Alberta to Seattle

Keep the following information in mind while searching for Alberta to Seattle flight deals. Data was last updated 16 September 2025.

Round-trip from

C$ 189

One-way from

C$ 91

Popular in

December

Cheapest in

March

Average price

C$ 330

Good round-trip deal

C$ 220 or less

Good one-way deal

C$ 402 or less
Air Canada
  • Air Canada
  • 18/10-19/10
  • 4 total stops
  • 16h 11m total
  • Alberta to Seattle
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WestJet
  • WestJet
  • 29/9
  • 1 total stop
  • 5h 54m total
  • Alberta to Seattle
Search Deals
Highest demand for flights based on searches. 16% potential increase in price (C$ 91 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease (C$ 23 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Alberta to Seattle/Tacoma Intl.
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Price to beat on a one-way flight from Alberta to Seattle/Tacoma Intl.
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Find 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 16 September 2025.

Sat 18/103:50 p.m.YYC - SEA
2 stops7h 41mAir Canada
Sun 19/105:30 a.m.SEA - YYC
2 stops8h 30mAir Canada
Deal found 16/9C$ 189
Tue 21/104:00 p.m.YEG - SEA
1 stop4h 21mWestJet
Thu 23/108:40 a.m.SEA - YEG
1 stop5h 17mWestJet
Deal found 16/9C$ 189
Wed 5/111:25 p.m.YYC - SEA
Nonstop1h 55mWestJet
Sat 15/1111:55 a.m.SEA - YYC
1 stop4h 20mWestJet
Deal found 14/9C$ 191
Sat 25/108:00 a.m.YEG - SEA
1 stop5h 59mWestJet
Sun 26/1011:55 a.m.SEA - YEG
1 stop3h 56mWestJet
Deal found 16/9C$ 192
Wed 29/101:25 p.m.YYC - SEA
Nonstop1h 55mWestJet
Wed 5/113:10 p.m.SEA - YYC
Nonstop1h 40mWestJet
Deal found 14/9C$ 195
Wed 15/109:30 a.m.YEG - SEA
1 stop4h 29mWestJet
Mon 20/108:40 a.m.SEA - YEG
1 stop4h 17mWestJet
Deal found 15/9C$ 196
Thu 23/1012:05 p.m.YYC - SEA
Nonstop1h 54mWestJet
Sat 1/113:20 p.m.SEA - YYC
Nonstop1h 54mWestJet
Deal found 14/9C$ 198
Mon 17/117:50 a.m.YYC - SEA
1 stop3h 33mWestJet
Fri 21/1111:55 a.m.SEA - YYC
1 stop5h 20mWestJet
Deal found 16/9C$ 199
Wed 12/111:25 p.m.YYC - SEA
Nonstop1h 55mWestJet
Thu 13/113:10 p.m.SEA - YYC
Nonstop1h 40mWestJet
Deal found 14/9C$ 200
Mon 3/117:50 a.m.YYC - SEA
1 stop3h 33mWestJet
Mon 17/1111:55 a.m.SEA - YYC
1 stop4h 20mWestJet
Deal found 15/9C$ 202
Wed 29/103:00 p.m.YYC - SEA
1 stop5h 16mAir Canada
Wed 5/113:40 p.m.SEA - YYC
1 stop4h 19mAir Canada
Deal found 14/9C$ 207
Sat 25/108:00 a.m.YEG - SEA
1 stop5h 59mWestJet
Mon 27/1011:55 a.m.SEA - YEG
1 stop5h 41mWestJet
Deal found 16/9C$ 207

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 16 September 2025.
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

Wed 12/11

1:25 p.m.-2:20 p.m.

Nonstop1h 55m

Seattle/Tacoma Intl

Thu 13/11

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

Nonstop1h 40m

C$ 200

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Fri 31/10

1:30 p.m.-10:06 p.m.

2 stops9h 36m

Seattle/Tacoma Intl

Fri 7/11

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

1 stop6h 04m

C$ 210

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Sat 18/10

3:50 p.m.-10:31 p.m.

2 stops7h 41m

Seattle/Tacoma Intl

Sun 19/10

8:40 a.m.-11:30 a.m.

Nonstop1h 50m

C$ 210

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Wed 29/10

1:30 p.m.-10:06 p.m.

2 stops9h 36m

Seattle/Tacoma Intl

Wed 5/11

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

1 stop6h 04m

C$ 210

EdmontonSeattle

YEG - SEA

YEGSEA

Edmonton

Wed 15/10

7:15 p.m.-10:31 p.m.

1 stop4h 16m

Seattle/Tacoma Intl

Wed 22/10

5:30 a.m.-12:00 p.m.

1 stop5h 30m

C$ 220

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Fri 17/10

6:10 a.m.-9:21 a.m.

1 stop4h 11m

Seattle/Tacoma Intl

Mon 3/11

3:40 p.m.-8:59 p.m.

1 stop4h 19m

C$ 222

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Wed 15/10

6:10 a.m.-9:21 a.m.

1 stop4h 11m

Seattle/Tacoma Intl

Wed 15/10

7:15 p.m.-12:42 a.m.

1 stop4h 27m

C$ 222

CalgarySeattle

YYC - SEA

YYCSEA

Calgary

Thu 23/10

6:00 p.m.-10:31 p.m.

1 stop5h 31m

Seattle/Tacoma Intl

Sat 1/11

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

1 stop6h 04m

C$ 222

EdmontonSeattle

YEG - SEA

YEGSEA

Edmonton

Thu 2/10

3:17 p.m.-9:34 p.m.

1 stop7h 17m

Seattle/Tacoma Intl

Fri 3/10

12:43 p.m.-10:04 p.m.

1 stop8h 21m

C$ 227

EdmontonSeattle

YEG - SEA

YEGSEA

Edmonton

Sun 5/10

3:17 p.m.-9:34 p.m.

1 stop7h 17m

Seattle/Tacoma Intl

Tue 7/10

8:42 a.m.-10:04 p.m.

2 stops12h 22m

C$ 227

Flights are sorted by cheapest round-trip flights first.

Deals found on 15/9

Showing 1-10 of 51 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, January is the cheapest month in which you can book a flight from Alberta to Seattle (average of C$ 262). Flying from Alberta to Seattle in December is currently the most expensive (average of C$ 353). 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 16 September 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Alberta to Seattle as you normally would.

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 16 September 2025.

The most flights from CAAB to SEA are scheduled on a Tuesday (20 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (13 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 3,285 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, Air Canada, and United Airlines fly from Alberta to Seattle in about 1h 55m. The time it takes to get you to your destination can typically vary by up to 7h 41m. 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 WestJet, with whom users have recently found tickets for as low as C$ 91. However, be on the lookout for offers from Air Canada and Alaska Airlines, 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 Singapore Airlines (91%), Qatar Airways (77%) or American Airlines (75%) 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$ 1,089 for a flight from Alberta to Seattle. The cheapest flight overall is C$ 131 while the most popular route, (Calgary - Seattle/Tacoma Intl) is currently priced at C$ 193.

  • 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, January is the cheapest month in which you can book a flight from Alberta to Seattle (average of C$ 262). Flying from Alberta to Seattle in December is currently the most expensive (average of C$ 353). 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
Tukwila
Tacoma
Bothell
Cashmere
Renton
Olympia
Marysville
Lynnwood

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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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St John to Portland flights
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Fort St. John to Portland flights
Sault Ste Marie to Seattle 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 16 September 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 180AverageC$ 292FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
WestJetCheapestC$ 189AverageC$ 351FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air CanadaCheapestC$ 213AverageC$ 336FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Alaska AirlinesCheapestC$ 218AverageC$ 413FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
Hawaiian AirlinesCheapestC$ 270AverageC$ 430FlexibilityNo cancel feeOn-time85%
Search Hawaiian Airlines flights
DeltaCheapestC$ 281AverageC$ 363FlexibilityNo cancel feeOn-timeN/A
Search Delta 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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