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 Air Canada, which is currently one of the cheapest options available, starting at $85. American Airlines flights start at $90 while deals on United Airlines start at $90 one-way.

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, 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 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 American Airlines, Air Canada or Delta as they are the most popular for this route.

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

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 53 days in advance, which can save you up to 1% on flights from Washington, D.C. to Lake Louise compared to booking the week you need them. Waiting 53 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $249. For sooner than that we have options available in the next 3 days from $249.

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

The best pricing can be found in the month of March. Prices to Lake Louise from Washington, D.C. average $414. You can even find prices in March for less than $414, as users have found deals to Lake Louise from as low as $138. The month of December appears to be one of the more expensive times to travel to Lake Louise from Washington, D.C.. Flying in the targeted month can save you up to 50%.

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.

$85+ Flights from Washington, D.C. to Lake Louise

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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 March or November, booked 68 days in advance, depart on a Wednesday or Monday and return on a Monday

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

Round-trip from	$197 (Mytrip)
One-way from	$85 (Air Canada)
Popular in	December
Cheapest in	March
Average price	$433

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. 11% potential increase in price ($54 potential increase over avg. RT price).

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Cheapest flight prices on average. 4% potential price decrease ($19 potential savings vs. average RT price).

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Average for round-trip flights in July 2025

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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 July 31, 2025.

Sat 9/134:35 pmDCA - YYC

1 stop8h 41mAir Canada

Fri 9/191:10 amYYC - DCA

1 stop7h 10mAir Canada

Deal found 7/30

$197

Wed 10/159:35 amIAD - YYC

1 stop8h 15mAir Canada

Tue 10/218:00 amYYC - IAD

2 stops11h 05mAir Canada

Deal found 7/29

$197

Mon 9/156:45 pmIAD - YYC

Nonstop4h 54mWestJet

Mon 9/2911:30 amYYC - IAD

Nonstop4h 20mWestJet

Deal found 7/30

$204

Mon 9/156:45 pmIAD - YYC

Nonstop4h 54mMultiple Airlines

Mon 9/226:55 pmYYC - IAD

1 stop16h 43mMultiple Airlines

Deal found 7/31

$213

Mon 9/1510:10 pmIAD - YYC

1 stop16h 08mUnited Airlines

Mon 9/223:49 pmYYC - IAD

1 stop14h 19mUnited Airlines

Deal found 7/31

$231

Thu 9/410:49 amDCA - YYC

1 stop14h 30mAmerican Airlines

Tue 9/96:29 amYYC - DCA

1 stop14h 54mAmerican Airlines

Deal found 7/30

$232

Mon 9/154:24 pmDCA - YYC

2 stops21h 54mUnited Airlines

Mon 9/223:49 pmYYC - DCA

2 stops15h 47mUnited Airlines

Deal found 7/31

$247

Sat 9/67:17 pmIAD - YYC

2 stops18h 34mAmerican Airlines

Fri 9/1212:47 pmYYC - IAD

2 stops19h 20mAmerican Airlines

Deal found 7/29

$247

Thu 10/1610:17 amBWI - YYC

1 stop12h 02mMultiple Airlines

Mon 10/2011:05 amYYC - BWI

1 stop9h 31mMultiple Airlines

Deal found 7/30

$265

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 July 31, 2025.

Sat 9/134:35 pmDCA - YYC

1 stop8h 41mAir Canada

Fri 9/191:10 amYYC - DCA

1 stop7h 10mAir Canada

Deal found 7/30

$197

Mon 9/156:45 pmIAD - YYC

Nonstop4h 54mWestJet

Mon 9/2911:30 amYYC - IAD

Nonstop4h 20mWestJet

Deal found 7/30

$204

Mon 9/156:45 pmIAD - YYC

Nonstop4h 54mMultiple Airlines

Mon 9/226:55 pmYYC - IAD

1 stop16h 43mMultiple Airlines

Deal found 7/31

$213

Mon 9/1510:10 pmIAD - YYC

1 stop16h 08mUnited Airlines

Mon 9/223:49 pmYYC - IAD

1 stop14h 19mUnited Airlines

Deal found 7/31

$231

Thu 9/410:49 amDCA - YYC

1 stop14h 30mAmerican Airlines

Tue 9/96:29 amYYC - DCA

1 stop14h 54mAmerican Airlines

Deal found 7/30

$232

Wed 10/159:35 amIAD - YYC

1 stop8h 15mAir Canada

Tue 10/218:00 amYYC - IAD

2 stops11h 05mAir Canada

Deal found 7/29

$197

Mon 9/154:24 pmDCA - YYC

2 stops21h 54mUnited Airlines

Mon 9/223:49 pmYYC - DCA

2 stops15h 47mUnited Airlines

Deal found 7/31

$247

Sat 9/67:17 pmIAD - YYC

2 stops18h 34mAmerican Airlines

Fri 9/1212:47 pmYYC - IAD

2 stops19h 20mAmerican Airlines

Deal found 7/29

$247

Thu 10/1610:17 amBWI - YYC

1 stop12h 02mMultiple Airlines

Mon 10/2011:05 amYYC - BWI

1 stop9h 31mMultiple Airlines

Deal found 7/30

$265

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 July 31, 2025 and is based on user searches.

Tue 8/56:27 amIAD - YYC

1 stop17h 30mAmerican Airlines

Tue 8/121:29 pmYYC - IAD

2 stops18h 24mAmerican Airlines

Deal found 7/29

$423

Tue 8/512:00 pmDCA - YYC

2 stops11h 48mUnited Airlines

Wed 8/68:30 amYYC - DCA

1 stop7h 32mUnited Airlines

Deal found 7/30

$520

Tue 8/511:45 amBWI - YYC

1 stop11h 10mDelta

Thu 8/72:56 pmYYC - BWI

1 stop7h 03mDelta

Deal found 7/30

$521

Wed 8/63:50 pmDCA - YYC

1 stop9h 39mAmerican Airlines

Wed 9/31:00 pmYYC - DCA

1 stop8h 01mAmerican Airlines

Deal found 7/30

$345

Wed 8/63:00 pmIAD - YYC

1 stop9h 26mUnited Airlines

Wed 9/36:15 amYYC - IAD

1 stop10h 58mUnited Airlines

Deal found 7/29

$367

Wed 8/66:10 amDCA - YYC

1 stop9h 36mDelta

Wed 9/36:40 amYYC - DCA

2 stops10h 16mDelta

Deal found 7/30

$390

Wed 8/66:00 amDCA - YYC

2 stops14h 40mAir Canada

Wed 9/36:55 pmYYC - DCA

2 stops15h 13mAir Canada

Deal found 7/31

$397

Wed 8/610:19 pmIAD - YYC

1 stop15h 19mAir Canada

Tue 9/21:10 amYYC - IAD

1 stop8h 03mAir Canada

Deal found 7/29

$421

Wed 8/66:15 amBWI - YYC

1 stop7h 23mUnited Airlines

Wed 9/36:15 amYYC - BWI

1 stop15h 02mUnited Airlines

Deal found 7/30

$454

Sat 8/96:20 pmBWI - YYC

1 stop20h 14mAmerican Airlines

Wed 8/136:45 amYYC - BWI

2 stops12h 42mAmerican Airlines

Deal found 7/29

$420

Sat 8/99:20 pmIAD - YYC

2 stops35h 36mMultiple Airlines

Wed 8/1311:05 amYYC - IAD

1 stop21h 09mMultiple Airlines

Deal found 7/30

$448

Sat 8/95:35 amBWI - YYC

1 stop7h 44mWestJet

Tue 8/1210:00 amYYC - BWI

1 stop8h 51mWestJet

Deal found 7/30

$511

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 July 31, 2025.

Sat 9/64:35 pmDCA - YYC

1 stop8h 41mAir Canada

Deal found 7/30

$85

Thu 10/2310:45 pmDCA - YYC

1 stop15h 49mAmerican Airlines

Deal found 7/29

$90

Mon 9/226:55 pmIAD - YYC

1 stop19h 23mUnited Airlines

Deal found 7/31

$90

Mon 9/2212:48 pmIAD - YYC

2 stops12h 31mAmerican Airlines

Deal found 7/30

$95

Thu 9/189:57 amBWI - YYC

1 stop12h 22mMultiple Airlines

Deal found 7/30

$111

Wed 9/37:00 amDCA - YYC

1 stop9h 45mMultiple Airlines

Deal found 7/29

$113

Fri 9/125:59 pmDCA - YYC

1 stop20h 19mUnited Airlines

Deal found 7/29

$128

Mon 9/153:41 pmIAD - YYC

1 stop9h 41mAir Canada

Deal found 7/30

$130

Fri 9/129:59 amDCA - YYC

2 stops12h 43mDelta

Deal found 7/29

$137

Mon 9/226:45 pmIAD - YYC

Nonstop4h 54mDelta

Deal found 7/31

$142

Fri 8/226:45 amBWI - YYC

1 stop7h 15mAmerican Airlines

Deal found 7/29

$164

Mon 9/221:55 pmIAD - YYC

2 stops12h 49mMultiple Airlines

Deal found 7/29

$168

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

Washington, D.C.Calgary

DCA - YYC

DCAYYC

Washington, D.C. Reagan-National

Sat 9/13

4:35 pm-11:16 pm

1 stop8h 41m

Calgary

Fri 9/19

1:10 am-10:20 am

1 stop7h 10m

$197

Washington, D.C.Calgary

IAD - YYC

IADYYC

Washington, D.C. Dulles Intl

Wed 10/15

9:35 am-3:50 pm

1 stop8h 15m

Calgary

Tue 10/21

8:00 am-9:05 pm

2 stops11h 05m

$197

Washington, D.C.Calgary

IAD - YYC

IADYYC

Washington, D.C. Dulles Intl

Mon 9/15

6:45 pm-9:39 pm

Nonstop4h 54m

Calgary

Mon 9/29

11:30 am-5:50 pm

Nonstop4h 20m

$204

Washington, D.C.Calgary

IAD - YYC

IADYYC

Washington, D.C. Dulles Intl

Mon 9/15

6:45 pm-9:39 pm

Nonstop4h 54m

Calgary

Mon 9/22

6:55 pm-1:38 pm

1 stop16h 43m

$213

Washington, D.C.Calgary

IAD - YYC

IADYYC

Washington, D.C. Dulles Intl

Mon 9/15

10:10 pm-12:18 pm

1 stop16h 08m

Calgary

Mon 9/22

3:49 pm-8:08 am

1 stop14h 19m

$231

Washington, D.C.Calgary

DCA - YYC

DCAYYC

Washington, D.C. Reagan-National

Thu 9/4

10:49 am-11:19 pm

1 stop14h 30m

Calgary

Tue 9/9

6:29 am-11:23 pm

1 stop14h 54m

$232

Washington, D.C.Calgary

DCA - YYC

DCAYYC

Washington, D.C. Reagan-National

Mon 9/15

4:24 pm-12:18 pm

2 stops21h 54m

Calgary

Mon 9/22

3:49 pm-9:36 am

2 stops15h 47m

$247

Washington, D.C.Calgary

IAD - YYC

IADYYC

Washington, D.C. Dulles Intl

Sat 9/6

7:17 pm-11:51 am

2 stops18h 34m

Calgary

Fri 9/12

12:47 pm-10:07 am

2 stops19h 20m

$247

BaltimoreCalgary

BWI - YYC

BWIYYC

Baltimore/Washington

Thu 10/16

10:17 am-8:19 pm

1 stop12h 02m

Calgary

Mon 10/20

11:05 am-10:36 pm

1 stop9h 31m

$265

Washington, D.C.Calgary

DCA - YYC

DCAYYC

Washington, D.C. Reagan-National

Sat 9/6

4:35 pm-11:16 pm

1 stop8h 41m

$85

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

Showing 1-10 of 28 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 68 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 $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 WAS to LL9?

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?

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.

Reviews of airlines servicing Lake Louise

Get a feel of what it's like to fly with Alaska Airlines, Porter Airlines, and Delta 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.

Alaska Airlines

8.0

Very good

10,000 reviews

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

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.

Porter Airlines

8.0

Very good

318 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

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

7,981 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

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.

United Airlines

7.4

Good

8,900 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

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.

American Airlines

7.2

Good

10,000 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

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

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 Air Canada, which is currently one of the cheapest options available, starting at $85. American Airlines flights start at $90 while deals on United Airlines start at $90 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 $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

Browse thousands of different options on Cheapflights for your next trip

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

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Reagan-National to Calgary flights

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Reagan-National to Grande Prairie flights

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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$499	FlexibilityNo cancel fee	On-time69%
Delta	Cheapest$142	Average$436	FlexibilityNo cancel fee	On-timeN/A
Air Canada	Cheapest$144	Average$444	FlexibilityNo cancel fee	On-time67%
WestJet	Cheapest$148	Average$502	FlexibilityNo cancel fee	On-time60%
American Airlines	Cheapest$279	Average$442	FlexibilityNo cancel fee	On-time71%

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$85+ 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 9/6. 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 March or November, booked 68 days in advance, depart on a Wednesday or Monday and return on a Monday

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 July 31, 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

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 July 31, 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 July 31, 2025.

Cheapflights Fare Finder

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

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.

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 July 25, 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 July 31, 2025.

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.

Reviews of airlines servicing Lake Louise

Get a feel of what it's like to fly with Alaska Airlines, Porter Airlines, and Delta 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.

What are the cheapest airlines to fly from Washington, D.C. to Lake Louise one-way?

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

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

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?

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.

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

See prices for flight routes from nearby airports that may be better suited for you.

Top 5 airlines flying from 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 July 31, 2025.