Fly from
Fly to
Route
Depart
Return
ChicagoCalgary
MDW - YYC
MDWYYC
Chicago Midway
Mi 27/5
1:59 p.m.-8:30 p.m.
1 stop7h 31m
Calgary
Mi 3/6
6:45 a.m.-5:56 p.m.
1 stop10h 11m
ChicagoCalgary
ORD - YYC
ORDYYC
Chicago O'Hare Intl
Fr 14/8
1:55 p.m.-11:06 p.m.
1 stop10h 11m
Calgary
Do 20/8
7:15 a.m.-6:01 p.m.
1 stop9h 46m
ChicagoCalgary
ORD - YYC
ORDYYC
Chicago O'Hare Intl
Fr 18/9
1:55 p.m.-11:06 p.m.
1 stop10h 11m
Calgary
Di 22/9
7:15 a.m.-6:01 p.m.
1 stop9h 46m
ChicagoCalgary
ORD - YYC
ORDYYC
Chicago O'Hare Intl
Di 26/5
12:30 p.m.-8:30 p.m.
1 stop9h 00m
Calgary
Di 2/6
7:45 a.m.-6:50 p.m.
1 stop10h 05m
ChicagoCalgary
MDW - YYC
MDWYYC
Chicago Midway
Sa 23/5
1:22 p.m.-8:05 p.m.
1 stop7h 43m
Calgary
Sa 30/5
7:00 a.m.-4:12 p.m.
1 stop8h 12m
ChicagoCalgary
MDW - YYC
MDWYYC
Chicago Midway
Mo 11/5
1:22 p.m.-8:05 p.m.
1 stop7h 43m
Calgary
Di 19/5
12:30 a.m.-10:00 a.m.
1 stop8h 30m
ChicagoCalgary
ORD - YYC
ORDYYC
Chicago O'Hare Intl
Mi 17/6
2:09 p.m.-11:01 p.m.
1 stop9h 52m
Calgary
So 21/6
7:40 a.m.-6:58 p.m.
1 stop10h 18m
ChicagoCalgary
ORD - YYC
ORDYYC
Chicago O'Hare Intl
Di 12/5
7:12 a.m.-1:10 p.m.
1 stop6h 58m
Calgary
Sa 16/5
8:45 a.m.-5:13 p.m.
1 stop7h 28m
ChicagoCalgary
ORD - YYC
ORDYYC
Chicago O'Hare Intl
Mo 25/5
5:30 p.m.-8:25 p.m.
Nonstop3h 55m
Calgary
Mo 1/6
7:45 a.m.-6:50 p.m.
1 stop10h 05m
ChicagoCalgary
ORD - YYC
ORDYYC
Chicago O'Hare Intl
Di 16/6
2:09 p.m.-11:01 p.m.
1 stop9h 52m
Calgary
So 21/6
7:40 a.m.-6:58 p.m.
1 stop10h 18m
To ensure you get the cheapest price possible for a flight from Illinois to Calgary, you should look to book at least 52 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
Currently, November is the cheapest month in which you can book a flight from Illinois to Calgary (average of C$ 82). Flying from Illinois to Calgary in September is currently the most expensive (average of C$ 842). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Unlike in the evening, when flights are generally more expensive, you can save up to 35% on flights from Illinois to Calgary by exploring options for tickets at noon.
The most flights from USIL to YYC are scheduled on a Thursday (5 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (3 on average).
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