HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Lake Louise

$72+ 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 6/3. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — YYC
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Seattle to Lake Louise with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.
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 Thursday and return on a Friday

Cheap 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 January 29, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/29. 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.
Sun 4/267:35 pm
SEA
-
YYC
Nonstop1h 40m
WestJet
Wed 4/295:50 pm
YYC
-
SEA
Nonstop1h 55m
WestJet
Deal found 1/29$171
This Kiwi.com deal was found by Cheapflights users on 1/28. 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 2/2711:55 am
SEA
-
YYC
1 stop5h 18m
WestJet
Fri 3/67:50 am
YYC
-
SEA
1 stop3h 35m
WestJet
Deal found 1/28$173
This Kiwi.com deal was found by Cheapflights users on 1/29. 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 4/1011:55 am
SEA
-
YYC
1 stop5h 18m
WestJet
Wed 4/151:25 pm
YYC
-
SEA
Nonstop1h 54m
WestJet
Deal found 1/29$175
This Kiwi.com deal was found by Cheapflights users on 1/29. 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 3/2311:55 am
SEA
-
YYC
1 stop4h 20m
WestJet
Wed 3/251:25 pm
YYC
-
SEA
Nonstop1h 54m
WestJet
Deal found 1/29$177
This FlightHub deal was found by Cheapflights users on 1/28. 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.
Sun 5/177:35 pm
SEA
-
YYC
Nonstop1h 40m
WestJet
Wed 5/205:50 pm
YYC
-
SEA
Nonstop1h 55m
WestJet
Deal found 1/28$183
This Super.com deal was found by Cheapflights users on 1/29. 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.
Sat 4/253:20 pm
SEA
-
YYC
Nonstop1h 59m
WestJet
Tue 4/285:50 pm
YYC
-
SEA
Nonstop1h 55m
WestJet
Deal found 1/29$185
This Booking.com deal was found by Cheapflights users on 1/27. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/293:00 pm
SEA
-
YYC
1 stop3h 51m
Air Canada
Thu 6/47:10 pm
YYC
-
SEA
1 stop4h 10m
Air Canada
Deal found 1/27$188
This Trip.com deal was found by Cheapflights users on 1/27. 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 5/293:00 pm
SEA
-
YYC
1 stop5h 51m
Multiple Airlines
Thu 6/47:00 pm
YYC
-
SEA
Nonstop1h 49m
Multiple Airlines
Deal found 1/27$191
This Gotogate deal was found by Cheapflights users on 1/26. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/305:40 am
SEA
-
YYC
2 stops8h 22m
Air Canada
Sat 6/62:05 pm
YYC
-
SEA
1 stop5h 25m
Air Canada
Deal found 1/26$192

Find 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 January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$171
(Kiwi.com)

One-way from

$72
(Kiwi.com)

Popular in

December

Cheapest in

March

Average price

$270
Provider with most accurate pricing for Seattle/Tacoma Intl-Calgary flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Calgary flights.
Search Deals
From Seattle/Tacoma Intl to Lake Louise
Search Deals
One-way flight from Seattle/Tacoma Intl to Lake Louise
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($41 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

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 January 29, 2026.
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

Sun 5/17

7:35 pm-10:15 pm

Nonstop1h 40m

Calgary

Wed 5/20

5:50 pm-6:45 pm

Nonstop1h 55m

$183

SeattleCalgary

SEA - YYC

SEAYYC

Seattle/Tacoma Intl

Sat 4/25

3:20 pm-6:19 pm

Nonstop1h 59m

Calgary

Tue 4/28

5:50 pm-6:45 pm

Nonstop1h 55m

$185

SeattleCalgary

SEA - YYC

SEAYYC

Seattle/Tacoma Intl

Sun 4/5

11:55 am-5:13 pm

1 stop4h 18m

Calgary

Sat 4/11

7:50 am-10:25 am

1 stop3h 35m

$208

SeattleCalgary

SEA - YYC

SEAYYC

Seattle/Tacoma Intl

Mon 5/4

7:35 pm-10:15 pm

Nonstop1h 40m

Calgary

Wed 5/6

5:50 pm-6:45 pm

Nonstop1h 55m

$211

SeattleCalgary

SEA - YYC

SEAYYC

Seattle/Tacoma Intl

Fri 4/10

11:55 am-9:32 pm

2 stops8h 37m

Calgary

Wed 4/15

1:25 pm-2:19 pm

Nonstop1h 54m

$212

SeattleCalgary

SEA - YYC

SEAYYC

Seattle/Tacoma Intl

Fri 4/10

11:10 pm-11:05 am

2 stops10h 55m

Calgary

Wed 4/15

1:25 pm-2:19 pm

Nonstop1h 54m

$223

SeattleCalgary

SEA - YYC

SEAYYC

Seattle/Tacoma Intl

Mon 5/4

7:20 pm-1:41 am

1 stop5h 21m

Calgary

Wed 5/6

6:00 am-9:15 am

1 stop4h 15m

$226

SeattleCalgary

SEA - YYC

SEAYYC

Seattle/Tacoma Intl

Sun 5/17

5:40 am-3:02 pm

2 stops8h 22m

Calgary

Wed 5/20

9:20 am-6:30 pm

2 stops10h 10m

$226

SeattleCalgary

SEA - YYC

SEAYYC

Seattle/Tacoma Intl

Fri 4/24

3:40 pm-10:43 pm

1 stop6h 03m

Calgary

Sun 4/26

6:00 am-9:33 am

1 stop4h 33m

$231

SeattleCalgary

SEA - YYC

SEAYYC

Seattle/Tacoma Intl

Mon 5/25

7:20 pm-1:41 am

1 stop5h 21m

$88

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/26

Showing 1-10 of 20 results
1
2

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 January 23, 2026.

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, March is the cheapest month in which you can book a flight from Seattle to Lake Louise (average of $102). Flying from Seattle to Lake Louise in January is currently the most expensive (average of $155). 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 January 29, 2026.

When flying from Seattle to Lake Louise, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 21% versus a flight at noon.

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 January 24, 2026.

Travelers seeking maximum savings on their Seattle to Lake Louise flight should consider departing on Monday mornings 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 January 29, 2026.

The most flights from SEA to LL9 are scheduled on a Tuesday (10 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (5 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 January 29, 2026.
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
11,805 reviews

Comfort

7.8

Crew

8.5

Boarding

8.1

Entertainment

7.0

Overall

8.0

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Dec 2025

SEA - MSY

I really got a lesson in upgrades. I let my seat get chosen . Both times a middle seat...on purpose ...even when we were not full. That's petty I sat behind the first class . They got more than 1 drink ...and a snack . .and the staff actually talked to them...behind a see thru shawl/sheet in the aisle....... You could see over the seats just fine and you could hear the voices just fine. But the sheet let You KNOW. Your not welcome here. For a moment I regretted not spending 300 dollars per seat so I could see a smile and eat a sandwhich and enjoy my seat . The married couple drank champain and laughed and flirted with each other. It looked so happy and care free MONEY really does buy happiness ..the hateful glares and sighs from my seat mates brought me back to reality I wasn't rich and I still had 2 hours left in this middle seat.
Alaska Airlines
8.0
Very good
11,805 reviews
Alaska Airlines
8.0
Very good
11,805 reviews

Comfort

7.8

Crew

8.5

Boarding

8.1

Entertainment

7.0

Overall

8.0

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Dec 2025

SEA - MSY

I really got a lesson in upgrades. I let my seat get chosen . Both times a middle seat...on purpose ...even when we were not full. That's petty I sat behind the first class . They got more than 1 drink ...and a snack . .and the staff actually talked to them...behind a see thru shawl/sheet in the aisle....... You could see over the seats just fine and you could hear the voices just fine. But the sheet let You KNOW. Your not welcome here. For a moment I regretted not spending 300 dollars per seat so I could see a smile and eat a sandwhich and enjoy my seat . The married couple drank champain and laughed and flirted with each other. It looked so happy and care free MONEY really does buy happiness ..the hateful glares and sighs from my seat mates brought me back to reality I wasn't rich and I still had 2 hours left in this middle seat.
Delta
7.9
Good
8,127 reviews
Alaska Airlines
8.0
Very good
11,805 reviews

Comfort

7.8

Crew

8.5

Boarding

8.1

Entertainment

7.0

Overall

8.0

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Dec 2025

SEA - MSY

I really got a lesson in upgrades. I let my seat get chosen . Both times a middle seat...on purpose ...even when we were not full. That's petty I sat behind the first class . They got more than 1 drink ...and a snack . .and the staff actually talked to them...behind a see thru shawl/sheet in the aisle....... You could see over the seats just fine and you could hear the voices just fine. But the sheet let You KNOW. Your not welcome here. For a moment I regretted not spending 300 dollars per seat so I could see a smile and eat a sandwhich and enjoy my seat . The married couple drank champain and laughed and flirted with each other. It looked so happy and care free MONEY really does buy happiness ..the hateful glares and sighs from my seat mates brought me back to reality I wasn't rich and I still had 2 hours left in this middle seat.
WestJet
7.2
Good
3,252 reviews
Alaska Airlines
8.0
Very good
11,805 reviews

Comfort

7.8

Crew

8.5

Boarding

8.1

Entertainment

7.0

Overall

8.0

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Dec 2025

SEA - MSY

I really got a lesson in upgrades. I let my seat get chosen . Both times a middle seat...on purpose ...even when we were not full. That's petty I sat behind the first class . They got more than 1 drink ...and a snack . .and the staff actually talked to them...behind a see thru shawl/sheet in the aisle....... You could see over the seats just fine and you could hear the voices just fine. But the sheet let You KNOW. Your not welcome here. For a moment I regretted not spending 300 dollars per seat so I could see a smile and eat a sandwhich and enjoy my seat . The married couple drank champain and laughed and flirted with each other. It looked so happy and care free MONEY really does buy happiness ..the hateful glares and sighs from my seat mates brought me back to reality I wasn't rich and I still had 2 hours left in this middle seat.
Air Canada
7.1
Good
10,666 reviews
Alaska Airlines
8.0
Very good
11,805 reviews

Comfort

7.8

Crew

8.5

Boarding

8.1

Entertainment

7.0

Overall

8.0

Food

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Dec 2025

SEA - MSY

I really got a lesson in upgrades. I let my seat get chosen . Both times a middle seat...on purpose ...even when we were not full. That's petty I sat behind the first class . They got more than 1 drink ...and a snack . .and the staff actually talked to them...behind a see thru shawl/sheet in the aisle....... You could see over the seats just fine and you could hear the voices just fine. But the sheet let You KNOW. Your not welcome here. For a moment I regretted not spending 300 dollars per seat so I could see a smile and eat a sandwhich and enjoy my seat . The married couple drank champain and laughed and flirted with each other. It looked so happy and care free MONEY really does buy happiness ..the hateful glares and sighs from my seat mates brought me back to reality I wasn't rich and I still had 2 hours left in this middle seat.

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 8 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 31 times in the past calendar month.

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

    WestJet can get you from Seattle to Lake Louise in just under 1h 40m. Your travel time will be generally consistent. There are 451 mi between Seattle and Lake Louise. Generally, flights for this route are nonstop.

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

    To fly one-way, consider booking your trip with WestJet, which is currently one of the cheapest options available, starting at $58. Air Canada flights start at $73 while deals on Alaska Airlines start at $90 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: Alaska Airlines (94%), Horizon Air (94%), Qantas Airways (89%).

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

    The cheapest flight price from Seattle to Lake Louise is $69. On average you can expect to pay $576. The most popular route, (Seattle/Tacoma Intl - Calgary), can usually be booked for $190.

  • 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, March is the cheapest month in which you can book a flight from Seattle to Lake Louise (average of $102). Flying from Seattle to Lake Louise in January is currently the most expensive (average of $155). 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

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 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 January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$85Average$210FlexibilityNo cancel feeOn-time67%
DeltaCheapest$106Average$251FlexibilityNo cancel feeOn-timeN/A
WestJetCheapest$138Average$216FlexibilityNo cancel feeOn-time60%
Alaska AirlinesCheapest$205Average$345FlexibilityNo cancel feeOn-time75%

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.