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

The cheapest airline one-way is WestJet, with whom users have recently found tickets for as low as $64. However, be on the lookout for offers from American Airlines and Air Canada, as they are both options that can get you from Chicago to Banff for a low price.

In terms of precipitation, rainfall in Banff 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 Banff when rainfall is around 0.4 in.

If weather is an important factor for your trip to Banff, 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 Banff?

While on average a flight from Chicago to Banff is generally $514, our data shows the cheapest flight currently is $169. When looking at the most popular route, (Chicago O'Hare Intl - Calgary), you can expect to pay $352 for that flight.

What are the most reliable airlines from Chicago to Banff?

Before booking your flight to Banff from Chicago, check out the most reliable airlines to get you to your destination on time: Delta (78%), WestJet (68%), American Airlines( 60%).

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

When booking a flight from Chicago to Banff, you may want to consider flying on WestJet, United Airlines or American Airlines as they are the most popular for this route.

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

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

How can I find direct flights from Chicago to Banff?

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

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

Yes. Cheapflights offers flight deals from Chicago to Banff 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 Banff

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Cheapflights Tip: The best prices from Chicago to Banff are usually found in January or May, booked 64 days in advance, depart on a Friday or Monday and return on a Friday

Find flight deals from Chicago to Banff

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Popular in	November
Cheapest in	January
Average price	$468

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

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Provider most trusted by Cheapflights users for Chicago (CHI)-Calgary flights.

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Highest demand for flights based on searches. 13% potential increase in price ($58 potential increase over avg. RT price).

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Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).

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Average for round-trip flights in November 2026

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Everything you need to know about your flight from Chicago to Banff

What is the cheapest time of day to fly from CHI to B4N?

It’s optimal to fly from Chicago to Banff at noon. By choosing this option you can save up to 44% on the cost of your flight, compared to a flight in the morning.

What is the cheapest day to fly from Chicago to Banff?

Travelers seeking maximum savings on their Chicago to Banff flight should consider departing on Saturday 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 Banff

Read through reviews of airlines operating flights from Chicago to Banff, such as Delta,United Airlines, andWestJet. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Delta

7.8

Good

8,700 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

8,700 reviews

Delta

7.8

Good

8,700 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

10,473 reviews

Delta

7.8

Good

8,700 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

3,436 reviews

Delta

7.8

Good

8,700 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

11,880 reviews

Delta

7.8

Good

8,700 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

12,227 reviews

Delta

7.8

Good

8,700 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 Banff one-way?
The cheapest airline one-way is WestJet, with whom users have recently found tickets for as low as $64. However, be on the lookout for offers from American Airlines and Air Canada, as they are both options that can get you from Chicago to Banff for a low price.
What are the most reliable airlines from Chicago to Banff?
Before booking your flight to Banff from Chicago, check out the most reliable airlines to get you to your destination on time: Delta (78%), WestJet (68%), American Airlines( 60%).
What are the cheapest flights from Chicago to Banff?
While on average a flight from Chicago to Banff is generally $514, our data shows the cheapest flight currently is $169. When looking at the most popular route, (Chicago O'Hare Intl - Calgary), you can expect to pay $352 for that flight.
Can I find deals for flights from Chicago to Banff that include hotel bookings?
Yes. In addition to deals on Chicago to Banff flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Chicago to Banff?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Chicago to Banff.
Can I find deals for business class flights from Chicago to Banff?
Yes. Cheapflights offers flight deals from Chicago to Banff 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 Banff

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$127	Average$230	FlexibilityNo cancel fee	On-timeN/A
Air Canada	Cheapest$128	Average$359	FlexibilityNo cancel fee	On-time67%
WestJet	Cheapest$140	Average$303	FlexibilityNo cancel fee	On-time60%
United Airlines	Cheapest$178	Average$464	FlexibilityNo cancel fee	On-time69%
Porter Airlines	Cheapest$192	Average$388	FlexibilityNo cancel fee	On-time52%
American Airlines	Cheapest$303	Average$485	FlexibilityNo cancel fee	On-time71%

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Cheap flights from Chicago (CHI) to Banff, Canada

Find cheap flights from Chicago to Banff 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 Banff

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 B4N?

It’s optimal to fly from Chicago to Banff at noon. By choosing this option you can save up to 44% on the cost of your flight, compared to a flight in the morning.

What is the cheapest day to fly from Chicago to Banff?

Travelers seeking maximum savings on their Chicago to Banff flight should consider departing on Saturday 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 Banff

Read through reviews of airlines operating flights from Chicago to Banff, such as Delta,United Airlines, andWestJet. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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

What are the most reliable airlines from Chicago to Banff?

What are the cheapest flights from Chicago to Banff?

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

How can I find direct flights from Chicago to Banff?

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

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 Banff

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

Complete your trip

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

Search flights from Chicago to Banff by cabin class

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

Chicago and Banff flights

Browse other Chicago and Banff flight options. Last updated on November 10, 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 November 10, 2026.

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Top 6 airlines flying from Chicago to Banff

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