Travellers have found it’s best to book a flight 60 days in advance to save up to 49% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 60 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Calgary to Illinois 1-2 weeks in advance for as low as C$ 858, or C$ 977 for flights within the next 24 hours.
Due to multiple factors, expect to potentially pay more when booking in July. For low rates, March can be a great choice for travel to Illinois. Flights to Illinois from Calgary in March are about C$ 679 on average during March, but can be found for as low as C$ 476.
When flying from Calgary to Illinois, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Calgary
Chicago O'Hare Intl
Nonstop
3h 18mChicago O'Hare Intl
Calgary
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3h 51mAir Canada
Calgary
Chicago O'Hare Intl
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7h 44mChicago O'Hare Intl
Calgary
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3h 55mAir Canada
Calgary
Chicago O'Hare Intl
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3h 18mChicago O'Hare Intl
Calgary
1 stop
8h 17mAir Canada
Calgary
Chicago O'Hare Intl
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8h 11mChicago O'Hare Intl
Calgary
1 stop
7h 33mAir Canada
Calgary
Chicago O'Hare Intl
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3h 26mChicago O'Hare Intl
Calgary
1 stop
8h 30mAir Canada
Calgary
Chicago O'Hare Intl
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3h 18mChicago O'Hare Intl
Calgary
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3h 51mAir Canada
Calgary
Chicago O'Hare Intl
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3h 24mChicago O'Hare Intl
Calgary
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3h 48mAer Lingus
Calgary
Chicago O'Hare Intl
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3h 25mChicago O'Hare Intl
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3h 48mAer Lingus
Calgary
Chicago O'Hare Intl
1 stop
8h 11mChicago O'Hare Intl
Calgary
1 stop
7h 33mAir Canada
Calgary
Chicago O'Hare Intl
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3h 26mChicago O'Hare Intl
Calgary
1 stop
8h 30mAir Canada
Calgary
Chicago O'Hare Intl
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3h 18mChicago O'Hare Intl
Calgary
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3h 51mAir Canada
Calgary
Chicago O'Hare Intl
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3h 18mChicago O'Hare Intl
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3h 51mAir Canada
Calgary
Chicago O'Hare Intl
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3h 25mChicago O'Hare Intl
Calgary
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3h 47mAir Canada
Calgary
Chicago O'Hare Intl
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3h 24mChicago O'Hare Intl
Calgary
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3h 48mAer Lingus
Calgary
Chicago O'Hare Intl
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7h 44mChicago O'Hare Intl
Calgary
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3h 55mAir Canada
Calgary
Chicago O'Hare Intl
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7h 44mChicago O'Hare Intl
Calgary
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9h 55mAir Canada
Calgary
Chicago O'Hare Intl
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7h 06mChicago O'Hare Intl
Calgary
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3h 55mAir Canada
Calgary
Chicago Midway
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25h 24mMultiple Airlines
Calgary
Chicago O'Hare Intl
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3h 25mAir Canada
Calgary
Chicago O'Hare Intl
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3h 25mAir Canada
If you book a flight to Illinois from Calgary, you will be flying from Calgary, which is the city’s only airport. Calgary (YYC) is located 9.3 km from the centre of Calgary.
Due to the rapidly changing circumstances due to COVID-19, airlines like Air Canada, American Airlines, and United Airlines flying from Calgary to Illinois have implemented new flexible cancellation policies.
Yes, there are multiple flights from Calgary to Illinois for under C$ 500. The cheapest flight booked recently is on Air Canada for just C$ 447, but on average you can expect to pay C$ 479.
Cheapflights has 20 direct flights from Calgary to Illinois under C$ 500. A good price for a direct flight from Calgary to Illinois is less than C$ 558.
There are currently 20+ open flights from Calgary to Illinois within the next 7 days for less than C$ 500.
Days when direct flights are available for this flight are: Friday.
1 flight departure from Calgary to Illinois per day on average.
Morning (6am - Midday) - 100% of flight departures
There are many flights that can get you from Calgary to Illinois in 3h 24m. Fly via Air Canada, United Airlines, or American Airlines to get the fastest option. There are 2235 km between Calgary and Illinois. This flight may include one or multiple stops.
C$ 255 is the cheapest one-way deal found within the past few days, from Air Canada. You may also be able to find cheap deals on Delta and British Airways, with prices starting from C$ 275 and C$ 302, respectively.
While some choose either Calgary - Chicago Midway or Calgary - Lambert-St Louis, Calgary - Chicago O'Hare Intl is the most popular route from Calgary to Illinois.
Before booking your flight from Calgary to Illinois check out the most popular airlines for this route: Endeavor Airlines, American Airlines or Air Canada.
Before booking your flight to Illinois from Calgary, check out the most reliable airlines to get you to your destination on time: Aer Lingus (74%), United Airlines (70%), Air Canada( 68%).
Looking for the cheapest flight from Calgary to Illinois? While on average our users pay C$ 583, our data indicates the cheapest price to be C$ 280. The most popular route (Calgary - Chicago O'Hare Intl), is priced around C$ 460.
0%of flight departures | Early morningMidnight to 6 am |
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100%of flight departures | Morning6 am to noon |
0%of flight departures | AfternoonNoon to 6 pm |
0%of flight departures | Evening6 pm to midnight |