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Lake Louise

$83+ Cheap flights from Seattle (SEA) to Lake Louise, Canada

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 10/1. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — YYC
Aug 25 — Sep 11
Mon 8/25
Mon 9/1
1 adult, Economy
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Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Lake Louise are usually found in March or April, booked 70 days in advance, depart on a Friday or Tuesday and return on a Friday

Cheap flight deals from Seattle to Lake Louise

Keep the following information in mind while searching for Seattle to Lake Louise flight deals. Data was last updated August 20, 2025.

Round-trip from

$185
(Kiwi.com)

One-way from

$83
(Kiwi.com)

Popular in

December

Cheapest in

March

Average price

$238
From Seattle/Tacoma Intl to Lake Louise
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One-way flight from Seattle/Tacoma Intl to Lake Louise
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Highest demand for flights based on searches. 22% potential increase in price ($75 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($14 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from Seattle to Lake Louise

Cheapest flights from Seattle to Lake Louise
Explore the most affordable flight options available from Seattle to Lake Louise. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 20, 2025.

This Kiwi.com deal was found by Cheapflights users on 8/20. 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.
Fri 9/261:15 pmSEA - YYC
1 stop4h 25mWestJet
Mon 9/297:35 pmYYC - SEA
Nonstop1h 54mWestJet
Deal found 8/20$185
This Trip.com deal was found by Cheapflights users on 8/18. 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.
Fri 10/248:40 amSEA - YYC
Nonstop1h 50mWestJet
Sun 10/261:25 pmYYC - SEA
Nonstop1h 55mWestJet
Deal found 8/18$186
This Mytrip deal was found by Cheapflights users on 8/18. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/112:55 pmSEA - YYC
1 stop4h 32mAir Canada
Mon 9/153:50 pmYYC - SEA
2 stops7h 26mAir Canada
Deal found 8/18$187
This Mytrip deal was found by Cheapflights users on 8/18. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/185:30 amSEA - YYC
2 stops8h 30mAir Canada
Sun 9/213:50 pmYYC - SEA
2 stops7h 26mAir Canada
Deal found 8/18$188
This United deal was found by Cheapflights users on 8/19. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/65:05 amSEA - YYC
1 stop15h 48mMultiple Airlines
Mon 11/104:30 pmYYC - SEA
1 stop6h 36mMultiple Airlines
Deal found 8/19$189
This Trip.com deal was found by Cheapflights users on 8/18. 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.
Fri 9/261:15 pmSEA - YYC
1 stop4h 25mWestJet
Sun 9/2812:05 pmYYC - SEA
Nonstop1h 54mWestJet
Deal found 8/18$191
This Cheapflightsfares deal was found by Cheapflights users on 8/18. 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.
Tue 12/93:10 pmSEA - YYC
Nonstop1h 40mWestJet
Mon 12/151:25 pmYYC - SEA
Nonstop1h 55mWestJet
Deal found 8/18$192
This Trip.com deal was found by Cheapflights users on 8/18. 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 9/117:15 pmSEA - YYC
1 stop4h 27mMultiple Airlines
Mon 9/157:35 pmYYC - SEA
Nonstop1h 54mMultiple Airlines
Deal found 8/18$193
This Kiwi.com deal was found by Cheapflights users on 8/19. 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.
Thu 11/63:10 pmSEA - YYC
Nonstop1h 40mWestJet
Mon 11/101:25 pmYYC - SEA
Nonstop1h 55mWestJet
Deal found 8/19$194
This Kiwi.com deal was found by Cheapflights users on 8/18. 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.
Thu 10/237:05 amSEA - YYC
Nonstop1h 40mWestJet
Sun 10/2611:40 pmYYC - SEA
1 stop11h 43mWestJet
Deal found 8/18$196
This Trip.com deal was found by Cheapflights users on 8/19. 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 9/178:40 amSEA - YYC
Nonstop1h 57mWestJet
Sun 9/217:00 amYYC - SEA
1 stop6h 35mWestJet
Deal found 8/19$197
This Kiwi.com deal was found by Cheapflights users on 8/19. 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.
Fri 9/261:15 pmSEA - YYC
1 stop4h 25mMultiple Airlines
Sun 9/286:15 amYYC - SEA
Nonstop2h 00mMultiple Airlines
Deal found 8/19$198

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seattle to Lake Louise 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 August 20, 2025.
Use the filters below to find and compare flights from Seattle to Lake Louise that are best for you.

Fly from

Seattle

Fly to

Lake Louise

Route

Depart

Return

Price

SeattleCalgary

SEA - YYC

SEAYYC

Seattle/Tacoma Intl

Fri 9/26

1:15 pm-6:40 pm

1 stop4h 25m

Calgary

Mon 9/29

7:35 pm-8:29 pm

Nonstop1h 54m

$185

SeattleCalgary

SEA - YYC

SEAYYC

Seattle/Tacoma Intl

Fri 10/24

8:40 am-11:30 am

Nonstop1h 50m

Calgary

Sun 10/26

1:25 pm-2:20 pm

Nonstop1h 55m

$186

SeattleCalgary

SEA - YYC

SEAYYC

Seattle/Tacoma Intl

Thu 9/11

2:55 pm-8:27 pm

1 stop4h 32m

Calgary

Mon 9/15

3:50 pm-10:16 pm

2 stops7h 26m

$187

SeattleCalgary

SEA - YYC

SEAYYC

Seattle/Tacoma Intl

Fri 9/26

1:15 pm-6:40 pm

1 stop4h 25m

Calgary

Sun 9/28

7:00 am-12:35 pm

1 stop6h 35m

$187

SeattleCalgary

SEA - YYC

SEAYYC

Seattle/Tacoma Intl

Thu 9/18

5:30 am-3:00 pm

2 stops8h 30m

Calgary

Sun 9/21

3:50 pm-10:16 pm

2 stops7h 26m

$188

SeattleCalgary

SEA - YYC

SEAYYC

Seattle/Tacoma Intl

Thu 11/6

3:10 pm-5:50 pm

Nonstop1h 40m

Calgary

Mon 11/10

7:50 am-10:23 am

1 stop3h 33m

$188

SeattleCalgary

SEA - YYC

SEAYYC

Seattle/Tacoma Intl

Thu 11/6

5:05 am-9:53 pm

1 stop15h 48m

Calgary

Mon 11/10

4:30 pm-10:06 pm

1 stop6h 36m

$189

SeattleCalgary

SEA - YYC

SEAYYC

Seattle/Tacoma Intl

Tue 12/9

3:10 pm-5:50 pm

Nonstop1h 40m

Calgary

Mon 12/15

1:25 pm-2:20 pm

Nonstop1h 55m

$192

SeattleCalgary

SEA - YYC

SEAYYC

Seattle/Tacoma Intl

Thu 9/11

7:15 pm-12:42 am

1 stop4h 27m

Calgary

Mon 9/15

7:35 pm-8:29 pm

Nonstop1h 54m

$193

SeattleCalgary

SEA - YYC

SEAYYC

Seattle/Tacoma Intl

Fri 9/26

1:15 pm-6:40 pm

1 stop4h 25m

Calgary

Tue 9/30

12:05 pm-12:59 pm

Nonstop1h 54m

$193

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/18

Showing 1-10 of 20 results
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Best time to book a flight from Seattle to Lake Louise

Have a flexible travel schedule? Discover the best time to fly to Lake Louise from Seattle 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 Seattle to Lake Louise

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

Use this chart to determine the optimal time to book a round-trip flight from Seattle to Lake Louise. Price data was last updated on August 8, 2025.

To ensure you get the cheapest price possible for a flight from Seattle to Lake Louise, you should look to book at least 70 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Seattle to Lake Louise?

Currently, January is the cheapest month in which you can book a flight from Seattle to Lake Louise (average of $300). Flying from Seattle to Lake Louise in February is currently the most expensive (average of $402). 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 SEA to LL9?

Find hourly flight availability from Seattle to Lake Louise. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 20, 2025.

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

What is the cheapest day to fly from Seattle to Lake Louise?

Use this chart to determine the cheapest time to fly round-trip from Seattle to Lake Louise. Price data was last updated on August 17, 2025.

Travelers seeking maximum savings on their Seattle to Lake Louise flight should consider departing on Friday evenings when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Seattle to Lake Louise

Explore weekly flight availability from Seattle to Lake Louise. 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 August 20, 2025.

The most flights from SEA to LL9 are scheduled on a Wednesday (23 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (11 on average).

Reviews of airlines servicing Lake Louise

Get insights into the airlines that provide service to Lake Louise. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Lake Louise. Reviews last updated August 20, 2025.
Read through reviews of airlines operating flights from Seattle to Lake Louise, such as Alaska Airlines, Delta, and WestJet. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.0

Boarding

8.1

Comfort

7.8

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.0

Boarding

8.1

Comfort

7.8

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Delta
8.0
Very good
7,982 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.0

Boarding

8.1

Comfort

7.8

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
WestJet
7.2
Good
3,040 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.0

Boarding

8.1

Comfort

7.8

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Air Canada
7.1
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.0

Boarding

8.1

Comfort

7.8

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Lake Louise. 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 from for flights from Seattle to Lake Louise?

    For a flight from Seattle to Lake Louise, you will be flying from Seattle/Tacoma Intl. Seattle/Tacoma Intl (SEA) is just 11.4 mi from the center of the city. Seattle/Tacoma Intl is the only Seattle airport and it handles 16 outbound flights to Lake Louise per day. 4 airlines have flights to Lake Louise from Seattle/Tacoma Intl on a regular basis.

  • How popular is this Seattle to Lake Louise flight route?

    Flights from Seattle/Tacoma Intl to Lake Louise have been viewed 37 times in the past calendar month.

  • How long is the flight from Seattle to Lake Louise?

    WestJet and Air Canada can get you from Seattle to Lake Louise in just under 4h 25m. Your travel time can differ by up to 07m. There are 451 mi between Seattle and Lake Louise. Both multi-stop and nonstop flights can be found to your destination and back.

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

    To fly one-way, consider booking your trip with Alaska Airlines, which is currently one of the cheapest options available, starting at $83. WestJet flights start at $84 while deals on Air Canada start at $85 one-way.

  • What are the most reliable airlines from Seattle to Lake Louise?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Seattle to Lake Louise on time: Finnair (89%), Qatar Airways (79%), Korean Air (76%).

  • What are the cheapest flights from Seattle to Lake Louise?

    The cheapest flight price from Seattle to Lake Louise is $77. On average you can expect to pay $774. The most popular route, (Seattle/Tacoma Intl - Calgary), can usually be booked for $160.

  • Can I find deals for flights from Seattle to Lake Louise that include hotel bookings?

    Yes. In addition to deals on Seattle to Lake Louise flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Lake Louise?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Lake Louise.

  • Can I find deals for business class flights from Seattle to Lake Louise?

    Yes. Cheapflights offers flight deals from Seattle to Lake Louise 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 Seattle to Lake Louise?

    Currently, January is the cheapest month in which you can book a flight from Seattle to Lake Louise (average of $300). Flying from Seattle to Lake Louise in February is currently the most expensive (average of $402). 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

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Top 4 airlines flying from Seattle to Lake Louise

Discover the top 4 airlines that operate flights from Seattle to Lake Louise. 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 August 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$99Average$236FlexibilityNo cancel feeOn-time67%
DeltaCheapest$108Average$274FlexibilityNo cancel feeOn-timeN/A
WestJetCheapest$135Average$231FlexibilityNo cancel feeOn-time60%
Alaska AirlinesCheapest$215Average$349FlexibilityNo cancel feeOn-time75%

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