Cheap flights from Illinois to Calgary from C$ 122
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 17/6. 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 cheapest month to fly to Calgary from Illinois is in May. Flight prices, which tend to average around C$ 333, are often lower during this time because this is during the off-season. 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 C$ 336.
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 Wednesday when prices can be found for as low as C$ 238. This is often the case because there is less demand to fly during this day of the week. On the other hand, Sunday is the most expensive day to depart from Illinois because it is more convenient for both business and leisure travellers. As a result, prices tend to be around C$ 435.
What is the cheapest time of day to depart on your flight to Calgary?
Our data shows that the cheapest Illinois to Calgary flights are usually those with departure times in the afternoon. Our users have found flights to Calgary in the afternoon for as low as C$ 283. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are C$ 469 on average. Flights to Calgary from Illinois in the morning are generally more expensive because this time of day is more convenient for travellers’ 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 25 weeks ahead of your departure date. In general, you can expect to find flights to Calgary for around C$ 421 when searching 25 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 C$ 319 on momondo.
What cabin class options are available on Illinois to Calgary flights?
There are 3 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?
Air Canada, American Airlines, and WestJet are the most popular carriers operating from Illinois to Calgary
Which airlines fly to Calgary?
WestJet, United Airlines and Air Canada 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 50% of people opting to fly with this airline when travelling to Calgary. Keep in mind that there are 3 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?
As of May 2025, 5 flights take off from Illinois and land in Calgary each day. The most common flight departure time for this route is 9:00a.m., with 85% of daily flights taking off at noon.
How many flights depart from Illinois to Calgary on average per week?
As of May 2025, there are 36 flights per week flying from Illinois to Calgary. The most common day of the week flights depart is Thu, with 22% 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 are refreshed on a daily basis.
How many operators does momondo search for flights from Illinois to Calgary Airport?
The number of operators available for flights from Illinois to Calgary Airport is 3 as of May 2025.
How old do you have to be to fly from Illinois to Calgary Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check 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 required travel and health documents for your Calgary Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Calgary Airport. We recommend that you seek guidance from your airline or a reliable 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 (41.65% of total bookings). The next most popular plane models are Boeing 737-800 (17.85%), Airbus A319 (11.37%), and Boeing 737 MAX 8 (10.91%).
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 C$ 128 | Free Cancellation | Rating 7.0 9,254 reviews | |||
| PriceFrom C$ 144 | Free Cancellation | Rating 7.2 2,826 reviews | |||
| PriceFrom C$ 194 | Free Cancellation | Rating 7.4 8,696 reviews |
Travelling 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 recognizable 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?
Yes. momondo enables you to select and highlight flights to Calgary from Illinois with this policy.
How can momondo help me find flights from Illinois to Calgary?
Once all potential Illinois to Calgary flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
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.