To save on the cost of your flight from Calgary to Illinois, book at least 46 days before your planned departure. Booking around this time can save you about 91% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $333 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $539.
Flights from Calgary to Illinois lean towards being more expensive in July. Prices are generally better when you fly from Calgary to Illinois in January, with the cheapest ticket starting at $215.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Calgary to Illinois as you normally would.
Fly from
Fly to
Budget
$191 - $426
Route
Depart
Return
Price
CalgaryChicago O'Hare Intl
YYC - ORD
YYCORD
Calgary
Thu 6/27
Nonstop3h 27m
Chicago O'Hare Intl
Thu 7/4
Nonstop3h 45m
CalgaryChicago O'Hare Intl
YYC - ORD
YYCORD
Calgary
Sun 9/22
Nonstop3h 39m
Chicago O'Hare Intl
Thu 9/26
Nonstop3h 50m
CalgaryChicago O'Hare Intl
YYC - ORD
YYCORD
Calgary
Sat 10/26
1 stop7h 06m
Chicago O'Hare Intl
Tue 10/29
1 stop5h 53m
CalgaryChicago O'Hare Intl
YYC - ORD
YYCORD
Calgary
Sat 10/26
1 stop7h 06m
Chicago O'Hare Intl
Tue 10/29
1 stop5h 53m
CalgaryChicago O'Hare Intl
YYC - ORD
YYCORD
Calgary
Tue 6/18
1 stop6h 30m
Chicago O'Hare Intl
Wed 6/19
Nonstop3h 45m
CalgaryChicago O'Hare Intl
YYC - ORD
YYCORD
Calgary
Fri 10/25
1 stop11h 23m
Chicago O'Hare Intl
Tue 10/29
Nonstop3h 54m
CalgaryChicago O'Hare Intl
YYC - ORD
YYCORD
Calgary
Fri 10/25
1 stop13h 41m
Chicago O'Hare Intl
Tue 10/29
Nonstop3h 54m
CalgaryChicago O'Hare Intl
YYC - ORD
YYCORD
Calgary
Thu 7/4
1 stop7h 54m
Chicago O'Hare Intl
Mon 7/8
1 stop10h 32m
CalgaryChicago O'Hare Intl
YYC - ORD
YYCORD
Calgary
Wed 9/11
Nonstop3h 25m
Chicago O'Hare Intl
Sat 9/14
Nonstop3h 40m
No data available for this route at this time. Please check back soon.
Entertainment
Boarding
Food
Comfort
Crew
Overall
Reviews
Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.
Entertainment
Boarding
Food
Comfort
Crew
Overall
Reviews
Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.
Entertainment
Boarding
Food
Comfort
Crew
Overall
Reviews
Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.
Entertainment
Boarding
Food
Comfort
Crew
Overall
Reviews
Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.
Entertainment
Boarding
Food
Comfort
Crew
Overall
Reviews
Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.
Entertainment
Boarding
Food
Comfort
Crew
Overall
Reviews
Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.
0%of flight departures | Early morningMidnight to 6 am |
---|---|
100%of flight departures | Morning6 am to noon |
0%of flight departures | AfternoonNoon to 6 pm |
0%of flight departures | Evening6 pm to midnight |
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