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 10h 59m. Fly via Delta to get the fastest option. The distance between Washington, D.C. and Lake Louise is about 1946 mi.

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.

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).

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

Most travelers choose Washington, D.C. Dulles Intl - Calgary, Washington, D.C. Reagan-National - Calgary or Baltimore/Washington - 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 $394, our data shows the cheapest flight currently is $74. When looking at the most popular route, (Washington, D.C. Dulles Intl - Calgary), you can expect to pay $249 for that flight.

What are the most popular airlines that fly from Washington, D.C. to Lake Louise?

When booking a flight from Washington, D.C. to Lake Louise, you may want to consider flying on WestJet, United Airlines or Air Canada as they are the most popular for this route.

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.

$97+ Flights from Washington, D.C. to Lake Louise

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

Airfare is below average for this route at the moment. Washington, D.C. to Lake Louise flights typically cost between $292 and $450 in December. The cheapest round-trip price found within the last 3 days was $223 on Multiple Airlines (Dec 6-Dec 9).

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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 October or September, booked 63 days in advance, depart on a Wednesday or Monday and return on a Monday

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 November 3, 2025.

Sat 12/65:45 amIAD - YYC

1 stop15h 24mMultiple Airlines

Tue 12/912:30 amYYC - IAD

1 stop11h 59mMultiple Airlines

Deal found 11/2

$223

Mon 11/245:40 amBWI - YYC

1 stop32h 04mMultiple Airlines

Wed 12/38:55 amYYC - BWI

1 stop12h 24mMultiple Airlines

Deal found 11/1

$240

Mon 11/245:40 amBWI - YYC

1 stop32h 04mMultiple Airlines

Mon 12/18:15 pmYYC - BWI

2 stops26h 09mMultiple Airlines

Deal found 11/2

$252

Tue 12/26:29 pmBWI - YYC

1 stop19h 15mMultiple Airlines

Tue 12/912:20 pmYYC - BWI

1 stop18h 57mMultiple Airlines

Deal found 11/3

$257

Tue 11/42:00 pmBWI - YYC

1 stop23h 44mMultiple Airlines

Sat 11/1512:30 amYYC - BWI

1 stop29h 48mMultiple Airlines

Deal found 10/31

$263

Sat 12/65:30 amBWI - YYC

1 stop15h 39mMultiple Airlines

Tue 12/912:30 amYYC - BWI

2 stops16h 25mMultiple Airlines

Deal found 11/2

$264

Fri 11/286:55 amIAD - YYC

1 stop14h 14mMultiple Airlines

Tue 12/212:30 amYYC - IAD

1 stop11h 59mMultiple Airlines

Deal found 11/2

$267

Fri 12/1211:48 amBWI - YYC

1 stop9h 21mMultiple Airlines

Mon 12/159:00 amYYC - BWI

1 stop10h 37mMultiple Airlines

Deal found 11/2

$268

Sat 11/88:25 amIAD - YYC

1 stop7h 56mUnited Airlines

Fri 11/143:30 pmYYC - IAD

1 stop11h 57mUnited Airlines

Deal found 11/2

$269

Sat 12/65:30 amBWI - YYC

1 stop15h 39mMultiple Airlines

Tue 12/912:20 pmYYC - BWI

1 stop18h 57mMultiple Airlines

Deal found 11/1

$271

Mon 12/1511:48 amBWI - YYC

1 stop25h 56mMultiple Airlines

Wed 1/1412:20 pmYYC - BWI

1 stop19h 57mMultiple Airlines

Deal found 11/2

$272

Tue 11/119:45 amIAD - YYC

2 stops12h 24mAir Canada

Tue 11/1111:40 pmYYC - IAD

1 stop14h 06mAir Canada

Deal found 11/2

$273

Best flights from Washington, D.C. to Lake Louise
Discover carefully curated flight deals from Washington, D.C. to Lake Louise that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 3, 2025.

Sat 12/65:30 amBWI - YYC

1 stop15h 39mMultiple Airlines

Tue 12/912:30 amYYC - BWI

2 stops16h 25mMultiple Airlines

Deal found 11/3

$264

Sun 12/711:58 amIAD - YYC

1 stop10h 59mDelta

Tue 12/97:35 amYYC - IAD

2 stops11h 54mDelta

Deal found 10/31

$392

Tue 3/36:00 amIAD - YYC

1 stop17h 57mAmerican Airlines

Thu 3/128:10 amYYC - IAD

1 stop12h 05mAmerican Airlines

Deal found 11/2

$434

Sun 12/711:14 amBWI - YYC

1 stop12h 37mMultiple Airlines

Mon 12/812:30 amYYC - BWI

2 stops16h 25mMultiple Airlines

Deal found 10/31

$331

Thu 1/229:37 pmBWI - YYC

2 stops28h 28mMultiple Airlines

Sat 1/248:10 amYYC - BWI

2 stops22h 40mMultiple Airlines

Deal found 11/2

$340

Fri 11/1412:11 pmIAD - YYC

1 stop10h 57mDelta

Tue 11/186:35 amYYC - IAD

1 stop9h 44mDelta

Deal found 11/1

$410

Sat 12/610:40 amBWI - YYC

3 stops30h 30mMultiple Airlines

Mon 12/812:30 amYYC - BWI

2 stops21h 15mMultiple Airlines

Deal found 11/1

$351

Tue 12/162:00 pmDCA - YYC

1 stop8h 57mDelta

Thu 12/257:30 amYYC - DCA

2 stops13h 20mDelta

Deal found 11/2

$423

Fri 11/79:36 pmBWI - YYC

2 stops26h 15mMultiple Airlines

Mon 11/1012:30 amYYC - BWI

1 stop10h 25mMultiple Airlines

Deal found 11/1

$357

Fri 1/306:00 amBWI - YYC

1 stop8h 48mAmerican Airlines

Sat 2/76:30 amYYC - BWI

1 stop14h 40mAmerican Airlines

Deal found 11/1

$496

Tue 2/1011:55 amDCA - YYC

1 stop11h 01mDelta

Tue 2/176:30 amYYC - DCA

1 stop9h 34mDelta

Deal found 11/2

$434

Fri 12/1210:40 amBWI - YYC

3 stops30h 30mMultiple Airlines

Mon 12/158:15 pmYYC - BWI

3 stops25h 30mMultiple Airlines

Deal found 11/3

$360

Fri 1/3011:55 amDCA - YYC

1 stop11h 01mDelta

Sat 2/76:30 amYYC - DCA

1 stop9h 30mDelta

Deal found 11/3

$434

Wed 12/1712:02 pmDCA - YYC

1 stop10h 55mDelta

Fri 12/192:45 pmYYC - DCA

1 stop6h 52mDelta

Deal found 11/2

$434

Thu 1/17:04 amBWI - YYC

1 stop12h 46mMultiple Airlines

Thu 1/87:55 amYYC - BWI

2 stops22h 08mMultiple Airlines

Deal found 11/3

$414

Sat 12/68:25 amDCA - YYC

1 stop7h 15mDelta

Wed 12/102:45 pmYYC - DCA

1 stop6h 52mDelta

Deal found 11/2

$434

Sat 12/66:03 amIAD - YYC

1 stop9h 37mDelta

Wed 12/102:45 pmYYC - IAD

1 stop7h 17mDelta

Deal found 11/2

$434

Sat 11/225:40 amBWI - YYC

2 stops14h 15mMultiple Airlines

Fri 11/289:00 amYYC - BWI

1 stop21h 19mMultiple Airlines

Deal found 11/2

$463

Wed 2/42:15 pmIAD - YYC

1 stop8h 41mDelta

Sun 2/86:30 amYYC - IAD

1 stop10h 26mDelta

Deal found 11/2

$434

Wed 12/106:03 amIAD - YYC

1 stop9h 37mDelta

Wed 12/176:35 amYYC - IAD

1 stop9h 37mDelta

Deal found 11/1

$434

Sun 12/146:10 amDCA - YYC

1 stop9h 30mDelta

Wed 12/249:45 pmYYC - DCA

2 stops11h 52mDelta

Deal found 11/2

$437

Fri 12/126:10 amDCA - YYC

1 stop9h 30mDelta

Wed 12/249:45 pmYYC - DCA

2 stops11h 52mDelta

Deal found 11/2

$437

Sat 12/1312:32 pmDCA - YYC

2 stops10h 25mDelta

Tue 12/2312:15 pmYYC - DCA

2 stops9h 42mDelta

Deal found 11/2

$443

Mon 11/249:40 amDCA - YYC

2 stops13h 13mDelta

Wed 12/32:45 pmYYC - DCA

1 stop6h 52mDelta

Deal found 11/1

$443

Tue 12/169:40 amDCA - YYC

2 stops13h 17mDelta

Tue 12/2312:15 pmYYC - DCA

2 stops9h 42mDelta

Deal found 11/2

$443

Mon 3/211:55 amDCA - YYC

1 stop11h 01mDelta

Wed 3/116:35 amYYC - DCA

2 stops14h 21mDelta

Deal found 11/2

$443

Sat 12/69:00 amIAD - YYC

2 stops13h 57mDelta

Tue 12/92:45 pmYYC - IAD

1 stop7h 17mDelta

Deal found 11/1

$443

Tue 1/2712:40 pmIAD - YYC

2 stops10h 16mDelta

Sat 1/316:30 amYYC - IAD

1 stop10h 26mDelta

Deal found 11/3

$443

Sat 1/106:20 amIAD - YYC

2 stops16h 36mDelta

Sat 1/176:30 amYYC - IAD

1 stop10h 26mDelta

Deal found 11/1

$443

Thu 11/276:03 amIAD - YYC

1 stop9h 50mDelta

Thu 12/47:35 amYYC - IAD

2 stops13h 33mDelta

Deal found 11/3

$443

Last-minute flights from Washington, D.C. to Lake Louise
Discover last-minute flight deals from Washington, D.C. to Lake Louise. Data last updated November 3, 2025 and is based on user searches.

Tue 11/42:00 pmBWI - YYC

1 stop23h 44mMultiple Airlines

Sat 11/1512:30 amYYC - BWI

1 stop29h 48mMultiple Airlines

Deal found 10/31

$263

Sat 11/83:59 pmIAD - YYC

1 stop7h 54mUnited Airlines

Wed 11/123:30 pmYYC - IAD

1 stop11h 57mUnited Airlines

Deal found 11/3

$269

Mon 11/174:55 pmBWI - YYC

1 stop20h 49mMultiple Airlines

Thu 11/2011:30 pmYYC - BWI

2 stops46h 28mMultiple Airlines

Deal found 11/3

$265

Mon 11/245:40 amBWI - YYC

1 stop32h 04mMultiple Airlines

Wed 12/38:55 amYYC - BWI

1 stop12h 24mMultiple Airlines

Deal found 11/1

$240

Mon 11/245:40 amBWI - YYC

1 stop32h 04mMultiple Airlines

Mon 12/18:15 pmYYC - BWI

2 stops26h 09mMultiple Airlines

Deal found 11/2

$252

Fri 11/286:55 amIAD - YYC

1 stop14h 14mMultiple Airlines

Tue 12/212:30 amYYC - IAD

1 stop11h 59mMultiple Airlines

Deal found 11/2

$267

Tue 12/26:29 pmBWI - YYC

1 stop19h 15mMultiple Airlines

Tue 12/912:20 pmYYC - BWI

1 stop18h 57mMultiple Airlines

Deal found 11/3

$257

Sat 12/65:45 amIAD - YYC

1 stop15h 24mMultiple Airlines

Tue 12/912:30 amYYC - IAD

1 stop11h 59mMultiple Airlines

Deal found 11/2

$223

Sat 12/65:30 amBWI - YYC

1 stop15h 39mMultiple Airlines

Tue 12/912:30 amYYC - BWI

2 stops16h 25mMultiple Airlines

Deal found 11/3

$264

Sat 12/65:30 amBWI - YYC

1 stop15h 39mMultiple Airlines

Tue 12/912:20 pmYYC - BWI

1 stop18h 57mMultiple Airlines

Deal found 11/1

$271

Fri 12/1211:48 amBWI - YYC

1 stop9h 21mMultiple Airlines

Mon 12/159:00 amYYC - BWI

1 stop10h 37mMultiple Airlines

Deal found 11/2

$268

Mon 12/1511:48 amBWI - YYC

1 stop25h 56mMultiple Airlines

Wed 1/1412:20 pmYYC - BWI

1 stop19h 57mMultiple Airlines

Deal found 11/2

$272

One-way flights from Washington, D.C. to Lake Louise
Search for one-way flight options from Washington, D.C. to Lake Louise. Find affordable one-way fares based on user searches. Data last updated November 3, 2025.

Mon 12/156:58 pmIAD - YYC

1 stop18h 46mMultiple Airlines

Deal found 11/2

$97

Tue 11/256:59 pmBWI - YYC

1 stop18h 45mMultiple Airlines

Deal found 11/2

$110

Mon 11/105:29 pmIAD - YYC

2 stops20h 15mAmerican Airlines

Deal found 11/1

$119

Mon 12/155:40 amBWI - YYC

1 stop32h 04mMultiple Airlines

Deal found 11/2

$120

Mon 11/175:58 pmIAD - YYC

1 stop19h 46mMultiple Airlines

Deal found 11/3

$127

Wed 11/128:59 amDCA - YYC

1 stop12h 10mDelta

Deal found 11/3

$130

Wed 11/1210:05 amIAD - YYC

1 stop11h 04mDelta

Deal found 11/3

$130

Tue 12/168:00 amBWI - YYC

1 stop13h 09mMultiple Airlines

Deal found 11/3

$132

Fri 1/308:26 pmBWI - YYC

1 stop16h 48mMultiple Airlines

Deal found 11/2

$137

Tue 11/256:55 amIAD - YYC

1 stop14h 14mMultiple Airlines

Deal found 11/2

$137

Wed 11/122:00 pmBWI - YYC

2 stops31h 15mMultiple Airlines

Deal found 11/3

$141

Sat 1/319:37 pmBWI - YYC

2 stops22h 48mMultiple Airlines

Deal found 11/2

$142

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

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$223 (Kiwi.com)
One-way from	$97 (Kiwi.com)
Popular in	December
Cheapest in	October
Average price	$352

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. 18% potential increase in price ($86 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 5% potential price decrease ($22 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in November 2025

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. to Lake Louise that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BaltimoreCalgary

BWI - YYC

BWIYYC

Baltimore/Washington

Sat 12/6

5:30 am-7:09 pm

1 stop15h 39m

Calgary

Tue 12/9

12:30 am-6:55 pm

2 stops16h 25m

$264

BaltimoreCalgary

BWI - YYC

BWIYYC

Baltimore/Washington

Sun 12/7

11:14 am-9:51 pm

1 stop12h 37m

Calgary

Mon 12/8

12:30 am-6:55 pm

2 stops16h 25m

$331

BaltimoreCalgary

BWI - YYC

BWIYYC

Baltimore/Washington

Thu 1/22

9:37 pm-12:05 am

2 stops28h 28m

Calgary

Sat 1/24

8:10 am-8:50 am

2 stops22h 40m

$340

BaltimoreCalgary

BWI - YYC

BWIYYC

Baltimore/Washington

Sat 12/6

10:40 am-3:10 pm

3 stops30h 30m

Calgary

Mon 12/8

12:30 am-11:45 pm

2 stops21h 15m

$351

BaltimoreCalgary

BWI - YYC

BWIYYC

Baltimore/Washington

Fri 11/7

9:36 pm-9:51 pm

2 stops26h 15m

Calgary

Mon 11/10

12:30 am-12:55 pm

1 stop10h 25m

$357

BaltimoreCalgary

BWI - YYC

BWIYYC

Baltimore/Washington

Fri 12/12

10:40 am-3:10 pm

3 stops30h 30m

Calgary

Mon 12/15

8:15 pm-11:45 pm

3 stops25h 30m

$360

Washington, D.C.Calgary

IAD - YYC

IADYYC

Washington, D.C. Dulles Intl

Sun 12/7

11:58 am-8:57 pm

1 stop10h 59m

Calgary

Tue 12/9

7:35 am-9:29 pm

2 stops11h 54m

$392

Washington, D.C.Calgary

IAD - YYC

IADYYC

Washington, D.C. Dulles Intl

Fri 11/14

12:11 pm-9:08 pm

1 stop10h 57m

Calgary

Tue 11/18

6:35 am-6:19 pm

1 stop9h 44m

$410

BaltimoreCalgary

BWI - YYC

BWIYYC

Baltimore/Washington

Thu 1/1

7:04 am-5:50 pm

1 stop12h 46m

Calgary

Thu 1/8

7:55 am-8:03 am

2 stops22h 08m

$414

Washington, D.C.Calgary

DCA - YYC

DCAYYC

Washington, D.C. Reagan-National

Tue 12/16

2:00 pm-8:57 pm

1 stop8h 57m

Calgary

Thu 12/25

7:30 am-10:50 pm

2 stops13h 20m

$423

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/1

Showing 1-10 of 53 results

...

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?

Booking 63 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 December is currently the most expensive (average of $187). 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?

It’s typically best to fly out from Washington, D.C. to Lake Louise in the evening. Doing so could potentially save you 47% on the flight price compared to flying in the morning, which is usually more expensive.

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

Reviews of airlines servicing Lake Louise

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

8,002 reviews

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

8,002 reviews

Delta

7.9

Good

8,002 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

United Airlines

7.4

Good

8,997 reviews

Delta

7.9

Good

8,002 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

American Airlines

7.2

Good

11,038 reviews

Delta

7.9

Good

8,002 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

WestJet

7.2

Good

3,153 reviews

Delta

7.9

Good

8,002 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

Air Canada

7.1

Good

10,398 reviews

Delta

7.9

Good

8,002 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

Related info for your journey

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 10h 59m. Fly via Delta to get the fastest option. The distance between Washington, D.C. and Lake Louise is about 1946 mi.
What are the most popular routes from Washington, D.C. to Lake Louise?
Most travelers choose Washington, D.C. Dulles Intl - Calgary, Washington, D.C. Reagan-National - Calgary or Baltimore/Washington - 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 $394, our data shows the cheapest flight currently is $74. When looking at the most popular route, (Washington, D.C. Dulles Intl - Calgary), you can expect to pay $249 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 December is currently the most expensive (average of $187). 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

Alternative routes for Washington, D.C. to Lake Louise

Dulles Intl to Calgary flights

Reagan-National to Calgary flights

Dulles Intl to Edmonton flights

Reagan-National to Edmonton flights

Reagan-National to Red Deer flights

Dulles Intl to Fort McMurray flights

Reagan-National to Fort McMurray flights

Reagan-National to Grande Prairie flights

Dulles Intl to Medicine Hat flights

Top 5 airlines flying from Washington, D.C. to Lake Louise

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$100	Average$518	FlexibilityNo cancel fee	On-time69%
Delta	Cheapest$139	Average$422	FlexibilityNo cancel fee	On-timeN/A
WestJet	Cheapest$149	Average$507	FlexibilityNo cancel fee	On-time60%
Air Canada	Cheapest$160	Average$434	FlexibilityNo cancel fee	On-time67%
American Airlines	Cheapest$278	Average$460	FlexibilityNo cancel fee	On-time71%

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$97+ 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 12/15. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Washington, D.C. to Lake Louise with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Washington, D.C. to Lake Louise are usually found in October or September, booked 63 days in advance, depart on a Wednesday or Monday and return on a Monday

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

Cheapest flights from Washington, D.C. to Lake LouiseExplore 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 November 3, 2025.

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 November 3, 2025.

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 November 3, 2025.

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

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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 October 31, 2025.

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

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 November 3, 2025.

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

Reviews of airlines servicing Lake Louise

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.

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?

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How can I 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?

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

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Alternative routes for Washington, D.C. to Lake Louise

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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 November 3, 2025.