Cheap flights from Illinois to Calgary from $49
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Calgary departing on 12/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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How to get the cheapest flight ticket from Illinois to Calgary
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Calgary?
The month of May is, on average, the cheapest month to fly to Calgary from Illinois, with most prices found around $225. If you aren’t able to travel during the month of May, then book flights to Calgary from Illinois during September instead. Flights to Calgary in September, while not as cheap as those in May, still average around $240.
What is the cheapest day to depart on your flight to Calgary?
The cheapest day to depart on your flight to Calgary is on a Friday when prices can be found for as low as $305. This is often the case because there is less demand to fly during this day of the week. Flights from Illinois to Calgary on a Tuesday will generally be more expensive and average around $357. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.
What is the cheapest time of day to depart on your flight to Calgary?
The cheapest time of day to fly to Calgary is in the afternoon when flights can be purchased for as low as $274. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $481 on average. Flights to Calgary from Illinois in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.
What is the cheapest Illinois to Calgary flight route?
Fly from Chicago O'Hare Intl to Calgary for the best Illinois - Calgary flight prices
How far in advance should I book a flight to Calgary?
You are more likely to see cheaper flights to Calgary from Illinois when booking weeks ahead of your departure date. In general, you can expect to find flights to Calgary for around $293 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Calgary from Illinois for as low as $223 on momondo.
What cabin class options are available on Illinois to Calgary flights?
There are 4 cabin classes available to choose from on Illinois to Calgary flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from Illinois to Calgary?
WestJet, Air Canada, and United Airlines are the most popular carriers operating from Illinois to Calgary
What airlines fly to Calgary?
WestJet, American Airlines and United Airlines are the top three most popular airlines that fly to Calgary from Illinois according to our data. WestJet is the first choice among our users, with 47% of people opting to fly with this airline when traveling to Calgary. Keep in mind that there are 5 different airlines that fly to Calgary on a routine basis, so you have a few additional options to choose from.
How many flights depart from Illinois to Calgary on average per day?
11 flights are operational daily from Illinois to Calgary as of June 2025. The most popular departure time for this route is 8:00PM, with 49% of flights per day taking off in the evening.
How many flights depart from Illinois to Calgary on average per week?
As of June 2025, there are 82 flights per week flying from Illinois to Calgary. The most common day of the week flights depart is Mon, with 17% of flights taking off on this day.
Cheap Illinois to Calgary flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Illinois to Calgary
When did momondo last update prices for flights from Illinois to Calgary Airport?
Prices for flights from Illinois to Calgary Airport refresh daily.
How many operators does momondo search for flights from Illinois to Calgary Airport?
As of June 2025, there are 5 operators available to choose from for flights from Illinois to Calgary Airport.
How old do you have to be to fly from Illinois to Calgary Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Illinois to Calgary Airport.
What documentation or ID do you need to fly to Calgary Airport?
The travel and health documents you'll need for your trip to Calgary Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Calgary Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Illinois to Calgary?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Illinois to Calgary is Boeing 737-700 (48.83% of total bookings). The next most popular plane models are Boeing 737-800 (14.51%), Airbus A319 (13.10%), and Boeing 737 MAX 8 (10.08%).
Best airlines flying from Illinois to Calgary
Compare and see reviews for airlines that fly from Illinois to Calgary with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $98 | Free Cancellation | Rating 7.1 9,572 reviews | |||
| PriceFrom $111 | Free Cancellation | Rating 8.0 7,964 reviews | |||
| PriceFrom $115 | Free Cancellation | Rating 7.4 8,810 reviews | |||
| PriceFrom $138 | Free Cancellation | Rating 7.2 2,876 reviews | |||
| PriceFrom $181 | Free Cancellation | Rating 7.2 10,000 reviews |
Traveling to a place near Calgary?
Book flights to Calgary if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Illinois to Calgary?
Finding the right flight to Calgary from Illinois is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Calgary quick and easy, saving you time and money.
Can I find flights from Illinois to Calgary with flexible booking policies on momondo?
Flights from Illinois to Calgary with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.
How can momondo help me find flights from Illinois to Calgary?
momondo helps you find the best flight between Illinois and Calgary by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.
I’m not ready to book a flight from Illinois to Calgary right now. Can momondo alert me if prices change?
If you are simply researching potential flights to Calgary, momondo offers a useful price alert feature which will track prices for flights to Calgary from Illinois and alert you when they change.