Cheap flights from Calgary to Chicago
from 181 US$
From 263 USD — compare hundreds of airlines
The cheapest month is usually 2026-10 · 181 US$
See prices for my dates →Live fares from 100+ sites — free, with no hidden fees.
About this route
Compare flights from Calgary to Chicago, a about 2,249 km route (around 3h 19m nonstop). We gather live prices from hundreds of airlines and agencies so you can find the cheapest and book on the official site, with no hidden fees. Direct flights are available. Airlines such as American Airlines, Air Canada, Delta operate this route.
When to buy and when to fly
Prices by date
Fares found by date — cheapest days in green.
How to get the best price
Airlines on this route
FAQ
What's the cheapest month to fly Calgary to Chicago?
It's usually 2026-10, from 181 USD. Use the price calendar to compare other dates.
How long is the flight from Calgary to Chicago?
A nonstop flight takes about 3h 19m and covers around 2,249 km. Connecting itineraries take longer.
Are there direct flights from Calgary to Chicago?
Yes, this route has nonstop flights. Filter by "nonstop" to see them.
Which airlines fly from Calgary to Chicago?
American Airlines, Air Canada, Delta, United Airlines operate this route, among others. Compare them all in the results.
When should I book Calgary–Chicago flights?
As a rule of thumb, booking 3–8 weeks ahead and avoiding weekends and holidays tends to give the best prices. Use the calendar to spot the cheapest dates.
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Calgary → Chicago · Live fares from 100+ sites — free, with no hidden fees.