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Lake Louise

$98+ 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 5/15. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — YYC
Mar 5 — Mar 121
Thu 3/5
Thu 3/12
1 adult, Economy
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Cheapflights Tip: The best prices from Washington, D.C. to Lake Louise are usually found in October or September, booked 66 days in advance, depart on a Monday or Wednesday and return on a Monday

Cheap 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 February 3, 2026.

This Kiwi.com deal was found by Cheapflights users on 2/3. 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.
Tue 4/286:00 pm
BWI
-
YYC
1 stop19h 00m
Multiple Airlines
Mon 5/47:00 am
YYC
-
BWI
1 stop23h 12m
Multiple Airlines
Deal found 2/3$258
This Kiwi.com deal was found by Cheapflights users on 2/1. 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.
Wed 4/299:07 am
BWI
-
YYC
1 stop10h 03m
Multiple Airlines
Wed 5/67:00 am
YYC
-
BWI
1 stop7h 59m
Multiple Airlines
Deal found 2/1$260
This Kiwi.com deal was found by Cheapflights users on 2/2. 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 4/166:00 pm
BWI
-
YYC
1 stop19h 43m
Multiple Airlines
Sun 4/198:55 am
YYC
-
BWI
1 stop29h 18m
Multiple Airlines
Deal found 2/2$263
This Kiwi.com deal was found by Cheapflights users on 2/2. 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 5/47:34 pm
BWI
-
YYC
2 stops21h 41m
Multiple Airlines
Sun 5/107:00 am
YYC
-
BWI
1 stop7h 59m
Multiple Airlines
Deal found 2/2$265
This Kiwi.com deal was found by Cheapflights users on 2/1. 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 5/36:00 pm
BWI
-
YYC
1 stop19h 00m
Multiple Airlines
Fri 5/88:00 pm
YYC
-
BWI
2 stops34h 12m
Multiple Airlines
Deal found 2/1$267
This Kiwi.com deal was found by Cheapflights users on 2/2. 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.
Wed 4/159:07 am
BWI
-
YYC
1 stop12h 02m
Multiple Airlines
Mon 4/208:55 am
YYC
-
BWI
1 stop30h 04m
Multiple Airlines
Deal found 2/2$268
This Kiwi.com deal was found by Cheapflights users on 1/31. 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.
Tue 3/176:05 am
BWI
-
YYC
1 stop15h 04m
Multiple Airlines
Tue 3/2412:20 pm
YYC
-
BWI
1 stop18h 54m
Multiple Airlines
Deal found 1/31$284
This Kiwi.com deal was found by Cheapflights users on 2/2. 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 4/133:19 pm
BWI
-
YYC
1 stop22h 24m
Multiple Airlines
Mon 4/2012:20 pm
YYC
-
BWI
1 stop19h 37m
Multiple Airlines
Deal found 2/2$300
This Air Canada deal was found by Cheapflights users on 2/2. 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.
Mon 5/44:20 pm
DCA
-
YYC
1 stop9h 27m
Air Canada
Sat 5/912:50 am
YYC
-
DCA
1 stop7h 29m
Air Canada
Deal found 2/2$378
This Air Canada deal was found by Cheapflights users on 2/2. 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.
Mon 4/1312:55 pm
DCA
-
YYC
1 stop9h 03m
Air Canada
Mon 4/1311:40 pm
YYC
-
DCA
1 stop7h 13m
Air Canada
Deal found 2/2$379
This Air Canada deal was found by Cheapflights users on 2/3. 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.
Thu 4/309:40 am
DCA
-
YYC
1 stop9h 13m
Air Canada
Sun 5/312:50 am
YYC
-
DCA
1 stop7h 29m
Air Canada
Deal found 2/3$382
This American Airlines deal was found by Cheapflights users on 2/3. 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.
Mon 5/118:11 pm
IAD
-
YYC
2 stops18h 48m
American Airlines
Mon 5/186:45 am
YYC
-
IAD
1 stop14h 41m
American Airlines
Deal found 2/3$382

Find 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 February 3, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$258
(Kiwi.com)

One-way from

$98

Popular in

December

Cheapest in

October

Average price

$460
Provider with most accurate pricing for Washington, D.C. (WAS)-Calgary flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Calgary flights.
Search Deals
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. 20% potential increase in price ($102 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($20 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

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 February 3, 2026.
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

BaltimoreCalgary

BWI - YYC

BWIYYC

Baltimore/Washington

Tue 4/28

6:00 pm-11:00 am

1 stop19h 00m

Calgary

Mon 5/4

7:00 am-8:12 am

1 stop23h 12m

$258

BaltimoreCalgary

BWI - YYC

BWIYYC

Baltimore/Washington

Tue 3/17

6:05 am-7:09 pm

1 stop15h 04m

Calgary

Tue 3/24

12:20 pm-9:14 am

1 stop18h 54m

$284

BaltimoreCalgary

BWI - YYC

BWIYYC

Baltimore/Washington

Wed 4/29

9:07 am-5:10 pm

1 stop10h 03m

Calgary

Tue 5/5

12:30 am-4:40 pm

2 stops14h 10m

$316

BaltimoreCalgary

BWI - YYC

BWIYYC

Baltimore/Washington

Fri 3/20

5:31 am-7:09 pm

1 stop15h 38m

Calgary

Mon 3/23

12:20 pm-9:14 am

1 stop18h 54m

$357

BaltimoreCalgary

BWI - YYC

BWIYYC

Baltimore/Washington

Wed 3/18

6:05 am-7:09 pm

1 stop15h 04m

Calgary

Wed 3/25

12:20 pm-9:14 am

1 stop18h 54m

$362

BaltimoreCalgary

BWI - YYC

BWIYYC

Baltimore/Washington

Wed 3/25

6:05 am-9:45 pm

2 stops17h 40m

Calgary

Thu 4/2

7:30 am-9:14 am

1 stop23h 44m

$364

Washington, D.C.Calgary

DCA - YYC

DCAYYC

Washington, D.C. Reagan-National

Sun 3/1

12:55 pm-8:19 pm

1 stop9h 24m

Calgary

Fri 3/6

7:10 am-6:05 pm

1 stop8h 55m

$379

Washington, D.C.Calgary

DCA - YYC

DCAYYC

Washington, D.C. Reagan-National

Thu 4/30

9:40 am-4:53 pm

1 stop9h 13m

Calgary

Sun 5/3

12:50 am-10:19 am

1 stop7h 29m

$382

Washington, D.C.Calgary

DCA - YYC

DCAYYC

Washington, D.C. Reagan-National

Wed 4/29

5:55 am-12:59 pm

1 stop9h 04m

Calgary

Tue 5/5

1:40 pm-11:57 pm

1 stop8h 17m

$396

BaltimoreCalgary

BWI - YYC

BWIYYC

Baltimore/Washington

Sun 3/1

9:04 pm-12:05 am

2 stops53h 01m

Calgary

Tue 3/10

12:20 pm-10:27 am

1 stop20h 07m

$397

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/2

Showing 1-10 of 58 results
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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 January 30, 2026.

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, July is the cheapest month in which you can book a flight from Washington, D.C. to Lake Louise (average of $98). Flying from Washington, D.C. to Lake Louise in January is currently the most expensive (average of $228). 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.

How much does it cost to fly round-trip from Washington, D.C. to Lake Louise?

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 February 3, 2026.
Get a feel of what it's like to fly with Delta, United Airlines, and American Airlines from Washington, D.C. to Lake Louise by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,138 reviews

Overall

7.9

Boarding

8.1

Comfort

7.9

Entertainment

7.8

Crew

8.5

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,138 reviews
Delta
7.9
Good
8,138 reviews

Overall

7.9

Boarding

8.1

Comfort

7.9

Entertainment

7.8

Crew

8.5

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,236 reviews
Delta
7.9
Good
8,138 reviews

Overall

7.9

Boarding

8.1

Comfort

7.9

Entertainment

7.8

Crew

8.5

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,216 reviews
Delta
7.9
Good
8,138 reviews

Overall

7.9

Boarding

8.1

Comfort

7.9

Entertainment

7.8

Crew

8.5

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
WestJet
7.2
Good
3,255 reviews
Delta
7.9
Good
8,138 reviews

Overall

7.9

Boarding

8.1

Comfort

7.9

Entertainment

7.8

Crew

8.5

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Air Canada
7.1
Good
10,684 reviews
Delta
7.9
Good
8,138 reviews

Overall

7.9

Boarding

8.1

Comfort

7.9

Entertainment

7.8

Crew

8.5

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

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.

  • How long is the flight from Washington, D.C. to Lake Louise?

    There are many flights that can get you from Washington, D.C. to Lake Louise in 5h. Fly via Air Canada, American Airlines, or Delta to get the fastest option. The distance between Washington, D.C. and Lake Louise is about 1946 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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 WestJet, which is currently one of the cheapest options available, starting at $64. United Airlines flights start at $99 while deals on Air Canada start at $100 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.

  • What are the cheapest flights from Washington, D.C. to Lake Louise?

    While on average a flight from Washington, D.C. to Lake Louise is generally $410, our data shows the cheapest flight currently is $77. When looking at the most popular route, (Washington, D.C. Dulles Intl - Calgary), you can expect to pay $240 for that flight.

  • 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, July is the cheapest month in which you can book a flight from Washington, D.C. to Lake Louise (average of $98). Flying from Washington, D.C. to Lake Louise in January is currently the most expensive (average of $228). 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 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 February 3, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$88Average$498FlexibilityNo cancel feeOn-time69%
WestJetCheapest$117Average$430FlexibilityNo cancel feeOn-time60%
DeltaCheapest$131Average$435FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$135Average$536FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$278Average$467FlexibilityNo cancel feeOn-time71%

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