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

One-way options have recently been found by users for as low as $66 on WestJet. Other airlines that offer cheap prices include American Airlines from $86 and United Airlines from $86 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 cheapest flights from Chicago to Lake Louise?

The cheapest flight price from Chicago to Lake Louise is $140. On average you can expect to pay $469. The most popular route, (Chicago O'Hare Intl - Calgary), can usually be booked for $326.

What are the most reliable airlines from Chicago to Lake Louise?

No one likes to see their flight delayed. When booking a flight from Chicago to Lake Louise consider choosing Delta (81%), Avianca (69%) or WestJet (69%) as they are the most reliable in getting you off to your destination on time.

What are the most popular airlines that fly from Chicago to Lake Louise?

Consider WestJet, United Airlines or American Airlines when booking your flight. These represent the most popular airlines when flying from Chicago to Lake Louise.

Can I find deals for flights from Chicago to Lake Louise that include hotel bookings?

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

How can I find direct flights from Chicago to Lake Louise?

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

Can I find deals for business class flights from Chicago to Lake Louise?

Yes. Cheapflights offers flight deals from Chicago 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.

Find Cheap Flights from Chicago to Lake Louise

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Cheapflights Tip: The best prices from Chicago to Lake Louise are usually found in January or February, booked 64 days in advance, depart on a Friday or Tuesday and return on a Friday

Find flight deals from Chicago to Lake Louise

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Popular in	July
Cheapest in	January
Average price	$419

Provider with most accurate pricing for Chicago (CHI)-Calgary flight deals.

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Highest demand for flights based on searches. 8% potential increase in price ($35 potential increase over avg. RT price).

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Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).

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Average for round-trip flights in October 2026

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Everything you need to know about your flight from Chicago to Lake Louise

What is the cheapest time of day to fly from CHI to LL9?

It’s optimal to fly from Chicago to Lake Louise at noon. By choosing this option you can save up to 43% on the cost of your flight, compared to a flight in the morning.

What is the cheapest day to fly from Chicago to Lake Louise?

Travelers seeking maximum savings on their Chicago to Lake Louise flight should consider departing on Friday at noon when fares are most often at their lowest. Thursday 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 Delta,United Airlines, andWestJet from Chicago 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

7.8

Good

8,693 reviews

Reviews

1 / 20

6.0

Good

Ellen,Oct 2026

GRR - ATL

The flight was delayed more then 30 minutes after I hurried and stressed to get to my connecting gate in Atlanta.

Delta

7.8

Good

8,693 reviews

Delta

7.8

Good

8,693 reviews

Reviews

1 / 20

6.0

Good

Ellen,Oct 2026

GRR - ATL

The flight was delayed more then 30 minutes after I hurried and stressed to get to my connecting gate in Atlanta.

United Airlines

7.3

Good

10,451 reviews

Delta

7.8

Good

8,693 reviews

Reviews

1 / 20

6.0

Good

Ellen,Oct 2026

GRR - ATL

The flight was delayed more then 30 minutes after I hurried and stressed to get to my connecting gate in Atlanta.

WestJet

7.2

Good

3,442 reviews

Delta

7.8

Good

8,693 reviews

Reviews

1 / 20

6.0

Good

Ellen,Oct 2026

GRR - ATL

The flight was delayed more then 30 minutes after I hurried and stressed to get to my connecting gate in Atlanta.

Air Canada

7.1

Good

11,833 reviews

Delta

7.8

Good

8,693 reviews

Reviews

1 / 20

6.0

Good

Ellen,Oct 2026

GRR - ATL

The flight was delayed more then 30 minutes after I hurried and stressed to get to my connecting gate in Atlanta.

American Airlines

7.0

Good

12,210 reviews

Delta

7.8

Good

8,693 reviews

Reviews

1 / 20

6.0

Good

Ellen,Oct 2026

GRR - ATL

The flight was delayed more then 30 minutes after I hurried and stressed to get to my connecting gate in Atlanta.

Related info for your journey

What are the cheapest airlines to fly from Chicago to Lake Louise one-way?
One-way options have recently been found by users for as low as $66 on WestJet. Other airlines that offer cheap prices include American Airlines from $86 and United Airlines from $86 one-way.
What are the most reliable airlines from Chicago to Lake Louise?
No one likes to see their flight delayed. When booking a flight from Chicago to Lake Louise consider choosing Delta (81%), Avianca (69%) or WestJet (69%) as they are the most reliable in getting you off to your destination on time.
What are the cheapest flights from Chicago to Lake Louise?
The cheapest flight price from Chicago to Lake Louise is $140. On average you can expect to pay $469. The most popular route, (Chicago O'Hare Intl - Calgary), can usually be booked for $326.
Can I find deals for flights from Chicago to Lake Louise that include hotel bookings?
Yes. In addition to deals on Chicago to Lake Louise flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Chicago to Lake Louise?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Chicago to Lake Louise.
Can I find deals for business class flights from Chicago to Lake Louise?
Yes. Cheapflights offers flight deals from Chicago 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.

See more FAQs

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Top 6 airlines flying from Chicago to Lake Louise

Airline	Cheapest	Average	Flexibility	On-time
Air Canada	Cheapest$128	Average$357	FlexibilityNo cancel fee	On-time67%
Delta	Cheapest$129	Average$229	FlexibilityNo cancel fee	On-timeN/A
WestJet	Cheapest$139	Average$301	FlexibilityNo cancel fee	On-time60%
United Airlines	Cheapest$178	Average$462	FlexibilityNo cancel fee	On-time69%
Porter Airlines	Cheapest$192	Average$388	FlexibilityNo cancel fee	On-time52%
American Airlines	Cheapest$298	Average$482	FlexibilityNo cancel fee	On-time71%

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Cheap flights from Chicago (CHI) to Lake Louise, Canada

Find cheap flights from Chicago to Lake Louise with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Find flight deals from Chicago to Lake Louise

Most accurate provider

Most trusted provider

Popular in

Cheapest in

Average price

Cheapflights Insights

What is the cheapest time of day to fly from CHI to LL9?

It’s optimal to fly from Chicago to Lake Louise at noon. By choosing this option you can save up to 43% on the cost of your flight, compared to a flight in the morning.

What is the cheapest day to fly from Chicago to Lake Louise?

Travelers seeking maximum savings on their Chicago to Lake Louise flight should consider departing on Friday at noon when fares are most often at their lowest. Thursday 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 Delta,United Airlines, andWestJet from Chicago 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

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

What are the most reliable airlines from Chicago to Lake Louise?

What are the cheapest flights from Chicago to Lake Louise?

Can I find deals for flights from Chicago to Lake Louise that include hotel bookings?

How can I find direct flights from Chicago to Lake Louise?

Can I find deals for business class flights from Chicago 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 Chicago to Lake Louise

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

Complete your trip

Complete your trip to Lake Louise by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from Chicago to Lake Louise by cabin class

Find flights from Chicago to Lake Louise, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Chicago and Lake Louise flights

Browse other Chicago and Lake Louise flight options. Last updated on October 30, 2026.

Other flights from Chicago

Browse through other flights departing from Chicago. Flights are based on user searches made on Cheapflights and were last updated on October 30, 2026.

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Top 6 airlines flying from Chicago to Lake Louise

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