HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Lake Louise

$86+ Cheap flights from Washington, D.C. (WAS) 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 9/13. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — YYC
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Washington, D.C. 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 Washington, D.C. to Lake Louise are usually found in March or November, booked 66 days in advance, depart on a Wednesday or Monday and return on a Saturday

Cheap flight deals from Washington, D.C. to Lake Louise

Keep the following information in mind while searching for Washington, D.C. to Lake Louise flight deals. Data was last updated June 12, 2025.

Round-trip from

$205

One-way from

$90
(American Airlines)

Popular in

December

Cheapest in

March

Average price

$427
From Washington, D.C. (WAS) to Lake Louise
Search Deals
One-way flight from Washington, D.C. (WAS) to Lake Louise
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($40 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2025
Search Deals

Find flight deals from Washington, D.C. to Lake Louise

Cheapest flights from Washington, D.C. to Lake Louise
Explore the most affordable flight options available from Washington, D.C. to Lake Louise. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This deal was found by Cheapflights users on 6/11. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/186:45 pmIAD - YYC
Nonstop4h 52mWestJet
Mon 8/2511:30 amYYC - IAD
Nonstop4h 24mWestJet
Deal found 6/11$205
This Air Canada deal was found by Cheapflights users on 6/12. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/34:35 pmDCA - YYC
1 stop8h 41mAir Canada
Tue 9/91:10 amYYC - DCA
1 stop7h 10mAir Canada
Deal found 6/12$215
This United Airlines deal was found by Cheapflights users on 6/10. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/216:30 amIAD - YYC
1 stop17h 18mUnited Airlines
Wed 7/232:55 pmYYC - IAD
Nonstop4h 21mUnited Airlines
Deal found 6/10$215
This United Airlines deal was found by Cheapflights users on 6/11. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/286:00 pmDCA - YYC
1 stop6h 53mUnited Airlines
Tue 8/128:30 amYYC - DCA
1 stop8h 32mUnited Airlines
Deal found 6/11$220
This Mytrip deal was found by Cheapflights users on 6/11. 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.
Tue 8/1210:20 amIAD - YYC
1 stop15h 50mAir Canada
Thu 8/1412:25 amYYC - IAD
1 stop7h 12mAir Canada
Deal found 6/11$226
This Kiwi.com deal was found by Cheapflights users on 6/11. 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 9/181:51 pmBWI - YYC
1 stop10h 00mMultiple Airlines
Tue 9/237:00 amYYC - BWI
2 stops10h 25mMultiple Airlines
Deal found 6/11$230
This American Airlines deal was found by Cheapflights users on 6/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/55:00 amDCA - YYC
1 stop8h 49mAmerican Airlines
Sat 9/136:45 amYYC - DCA
1 stop12h 15mAmerican Airlines
Deal found 6/11$232
This American Airlines deal was found by Cheapflights users on 6/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/176:25 amIAD - YYC
1 stop17h 25mAmerican Airlines
Tue 9/236:45 amYYC - IAD
1 stop14h 04mAmerican Airlines
Deal found 6/11$232
This Kiwi.com deal was found by Cheapflights users on 6/11. 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 8/214:56 pmIAD - YYC
2 stops27h 44mMultiple Airlines
Mon 8/2511:30 amYYC - IAD
Nonstop4h 24mMultiple Airlines
Deal found 6/11$233
This Delta deal was found by Cheapflights users on 6/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/612:39 pmIAD - YYC
1 stop9h 21mDelta
Fri 9/1211:30 amYYC - IAD
Nonstop4h 20mDelta
Deal found 6/9$301
This Delta deal was found by Cheapflights users on 6/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2711:00 amDCA - YYC
1 stop12h 07mDelta
Wed 9/37:00 amYYC - DCA
2 stops13h 01mDelta
Deal found 6/11$316
This Mytrip deal was found by Cheapflights users on 6/11. 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.
Sat 7/266:40 pmDCA - YYC
1 stop7h 30mMultiple Airlines
Fri 8/112:45 amYYC - DCA
1 stop15h 17mMultiple Airlines
Deal found 6/11$348

Cheapflights Fare Finder

Customize your flight search to find flights from Washington, D.C. 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 June 12, 2025.
Use the filters below to find and compare flights from Washington, D.C. to Lake Louise that are best for you.

Fly from

Washington, D.C.

Fly to

Lake Louise

Route

Depart

Return

Price

Washington, D.C.Calgary

IAD - YYC

IADYYC

Washington, D.C. Dulles Intl

Mon 8/18

6:45 pm-9:37 pm

Nonstop4h 52m

Calgary

Mon 8/25

11:30 am-5:54 pm

Nonstop4h 24m

$205

Washington, D.C.Calgary

DCA - YYC

DCAYYC

Washington, D.C. Reagan-National

Wed 9/3

4:35 pm-11:16 pm

1 stop8h 41m

Calgary

Tue 9/9

1:10 am-10:20 am

1 stop7h 10m

$215

Washington, D.C.Calgary

IAD - YYC

IADYYC

Washington, D.C. Dulles Intl

Mon 7/21

6:30 am-9:48 pm

1 stop17h 18m

Calgary

Wed 7/23

2:55 pm-9:16 pm

Nonstop4h 21m

$215

Washington, D.C.Calgary

DCA - YYC

DCAYYC

Washington, D.C. Reagan-National

Mon 7/28

6:00 pm-10:53 pm

1 stop6h 53m

Calgary

Tue 8/12

8:30 am-7:02 pm

1 stop8h 32m

$220

Washington, D.C.Calgary

IAD - YYC

IADYYC

Washington, D.C. Dulles Intl

Tue 8/12

10:20 am-12:10 am

1 stop15h 50m

Calgary

Thu 8/14

12:25 am-9:37 am

1 stop7h 12m

$226

BaltimoreCalgary

BWI - YYC

BWIYYC

Baltimore/Washington

Thu 9/18

1:51 pm-9:51 pm

1 stop10h 00m

Calgary

Tue 9/23

7:00 am-7:25 pm

2 stops10h 25m

$230

Washington, D.C.Calgary

DCA - YYC

DCAYYC

Washington, D.C. Reagan-National

Fri 9/5

5:00 am-11:49 am

1 stop8h 49m

Calgary

Sat 9/13

6:45 am-9:00 pm

1 stop12h 15m

$232

Washington, D.C.Calgary

IAD - YYC

IADYYC

Washington, D.C. Dulles Intl

Sat 8/30

11:51 am-9:58 pm

1 stop12h 07m

Calgary

Wed 9/3

6:45 am-10:49 pm

1 stop14h 04m

$232

Washington, D.C.Calgary

IAD - YYC

IADYYC

Washington, D.C. Dulles Intl

Thu 8/21

4:56 pm-6:40 pm

2 stops27h 44m

Calgary

Mon 8/25

11:30 am-5:54 pm

Nonstop4h 24m

$233

Washington, D.C.Calgary

IAD - YYC

IADYYC

Washington, D.C. Dulles Intl

Sat 9/6

12:39 pm-8:00 pm

1 stop9h 21m

Calgary

Fri 9/12

11:30 am-5:50 pm

Nonstop4h 20m

$301

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/9

Showing 1-10 of 36 results
1
2
3
4

Best time to book a flight from Washington, D.C. to Lake Louise

Have a flexible travel schedule? Discover the best time to fly to Lake Louise from Washington, D.C. 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 Washington, D.C. to Lake Louise

How far ahead should I book a flight from Washington, D.C. to Lake Louise?

Use this chart to determine the optimal time to book a round-trip flight from Washington, D.C. to Lake Louise. Price data was last updated on June 9, 2025.

Booking 66 days in advance of your planned departure date is, on average, the best time to get cheap flights from Washington, D.C. to Lake Louise. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Washington, D.C. to Lake Louise?

Currently, January is the cheapest month in which you can book a flight from Washington, D.C. to Lake Louise (average of $300). Flying from Washington, D.C. to Lake Louise in February is currently the most expensive (average of $404). 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 WAS to LL9?

Find hourly flight availability from Washington, D.C. 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 June 12, 2025.

When flying from Washington, D.C. to Lake Louise, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

What is the cheapest day to fly from Washington, D.C. to Lake Louise?

Use this chart to determine the cheapest time to fly round-trip from Washington, D.C. to Lake Louise. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Washington, D.C. to Lake Louise flight should consider departing on Monday evenings when fares are most often at their lowest. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Lake Louise by month

Plan your trip to Lake Louise by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Lake Louise ranges from 0.4 - 3.7 inches per month. June is typically the wettest month, when rainfall can reach 3.7 in. January is typically the driest time to visit Lake Louise when rainfall is around 0.4 in.

Temperature in Lake Louise by month

Plan your trip to Lake Louise by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Lake Louise, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 19.4 F).

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 June 12, 2025.
Read through reviews of airlines operating flights from Washington, D.C. to Lake Louise, such as Alaska Airlines, Porter Airlines and Delta. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
Porter Airlines
8.0
Very good
288 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
Delta
8.0
Very good
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.

Related info for your journey

Find useful and relevant information for your journey from Washington, D.C. 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 are the cheapest airlines to fly from Washington, D.C. to Lake Louise one-way?

    To fly one-way, consider booking your trip with American Airlines, which is currently one of the cheapest options available, starting at $90. Air Canada flights start at $91 while deals on United Airlines start at $94 one-way.

  • What are the most popular routes from Washington, D.C. to Lake Louise?

    Most travelers choose Washington, D.C. Dulles Intl - Calgary, Baltimore/Washington - Calgary or Washington, D.C. Reagan-National - Calgary when deciding on the best route from Washington, D.C. to Lake Louise.

  • Can I find deals for flights from Washington, D.C. to Lake Louise that include hotel bookings?

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

  • How can I find direct flights from Washington, D.C. to Lake Louise?

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

  • Can I find deals for business class flights from Washington, D.C. to Lake Louise?

    Yes. Cheapflights offers flight deals from Washington, D.C. 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 Washington, D.C. to Lake Louise?

    Currently, January is the cheapest month in which you can book a flight from Washington, D.C. to Lake Louise (average of $300). Flying from Washington, D.C. to Lake Louise in February is currently the most expensive (average of $404). 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 5 airlines flying from Washington, D.C. to Lake Louise

Discover the top 5 airlines that operate flights from Washington, D.C. 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$140Average$439FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$144Average$457FlexibilityNo cancel feeOn-time67%
WestJetCheapest$148Average$466FlexibilityNo cancel feeOn-time60%
United AirlinesCheapest$158Average$513FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$279Average$427FlexibilityNo cancel feeOn-time71%

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.