Cheap flights from Calgary to Illinois from C$ 159
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 28/8. Fares are subject to change and may not be available on all flights or dates of travel.
How far in advance should I book a flight from Calgary to Illinois?
Travellers have found it’s best to book a flight 46 days in advance to save up to 65% 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 46 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$ 399, or C$ 748 for flights within the next 24 hours.
What is the cheapest month to fly from Calgary to Illinois?
Due to multiple factors, expect to potentially pay more when booking in August. For low rates, January can be a great choice for travel to Illinois. Flights to Illinois from Calgary in January are about C$ 508 on average during January, but can be found for as low as C$ 294.
What is the cheapest time of day to fly from YYC to IL?
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.
Cheap Delta flights from Calgary to Illinois
Explore cheap flight options specifically provided by Delta for the route between Calgary and Illinois. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 435,117 searches. Data last updated 25 July 2024.
Consider these cheap Delta flights we've found departing from Calgary to Illinois. Make sure to check back often as deals are often changing.
Cheap WestJet flights from Calgary to Illinois
Explore cheap flight options specifically provided by WestJet for the route between Calgary and Illinois. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 435,117 searches. Data last updated 25 July 2024.
Some of the lowest-priced WestJet flights we've found at this time heading from Calgary to Illinois. Deals frequently update to provide users with more options.
Cheap Calgary to Illinois flights in July & August 2024
Find cheap flight options from Calgary to Illinois specifically for the months of July and August 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 435,117 searches. Prices were last updated on 25 July 2024.
These are some of the best deals we've found on flights to Illinois in 2024 at this time. For more flight deals, be sure to check back very soon.
Calgary to Illinois 2024 flight deals
Discover exclusive flight deals for travel between Calgary and Illinois in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 435,117 searches. Data last updated 25 July 2024.
These are some of the best deals we've found on flights to Illinois in 2024 at this time. For more flight deals, be sure to check back very soon.
Direct flights to Illinois from Calgary
Discover non-stop flight options from Calgary to Illinois. Find direct flights with no layovers, providing a convenient travel experience. Explore non-stop flight options based on user searches, and compare prices and availability for your desired travel dates. Over the last 7 days, Cheapflights users made 435,117 searches. Data last updated 25 July 2024.
To help reduce your travel time, choose from one of these non-stop flights from Calgary to Illinois. Search for alternative flights from Calgary to Illinois by utilizing the search form above.
Calgary to Illinois flights leaving soon
Find last-minute flight options from Calgary to Illinois for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 435,117 searches. Data last updated 25 July 2024.
Users seeking a last-minute flight from Calgary to Illinois should consider booking one of these fares. Users should be sure to double check the price, date, and time of their last-minute flight.
One-way flights to Illinois from Calgary
Search for one-way flight options from Calgary to Illinois. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 435,117 searches. Data last updated 25 July 2024.
If you're seeking multiple options on one-way flights from Calgary to Illinois, be sure to check out these deals, which are updated often. Those needing a return flight from Calgary to Illinois can use the search form above.
Find flights from Calgary to Illinois within your budget
Customize your flight search to find flights from Calgary to Illinois that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 435,117 searches. Data last updated 25 July 2024.
Fly from
Fly to
Budget
C$ 253 - C$ 442
Route
Depart
Return
Price
CalgaryChicago O'Hare Intl
YYC - ORD
YYCORD
Calgary
Sat 7/9
Nonstop3h 27m
Chicago O'Hare Intl
Sat 14/9
Nonstop3h 45m
CalgaryChicago O'Hare Intl
YYC - ORD
YYCORD
Calgary
Mon 9/9
1 stop7h 45m
Chicago O'Hare Intl
Mon 16/9
1 stop8h 37m
CalgaryChicago O'Hare Intl
YYC - ORD
YYCORD
Calgary
Wed 18/9
1 stop9h 26m
Chicago O'Hare Intl
Mon 23/9
1 stop8h 37m
CalgaryChicago O'Hare Intl
YYC - ORD
YYCORD
Calgary
Thu 29/8
Nonstop3h 27m
Chicago O'Hare Intl
Thu 5/9
Nonstop3h 45m
CalgaryChicago O'Hare Intl
YYC - ORD
YYCORD
Calgary
Thu 12/9
Nonstop3h 27m
Chicago O'Hare Intl
Sun 15/9
1 stop14h 58m
CalgaryChicago O'Hare Intl
YYC - ORD
YYCORD
Calgary
Tue 10/9
2 stops13h 16m
Chicago O'Hare Intl
Sat 14/9
1 stop10h 39m
CalgaryChicago O'Hare Intl
YYC - ORD
YYCORD
Calgary
Fri 18/10
1 stop8h 00m
Chicago O'Hare Intl
Tue 22/10
1 stop26h 59m
CalgaryChicago O'Hare Intl
YYC - ORD
YYCORD
Calgary
Wed 11/9
1 stop5h 52m
Chicago O'Hare Intl
Mon 16/9
Nonstop3h 44m
CalgaryChicago O'Hare Intl
YYC - ORD
YYCORD
Calgary
Thu 22/8
Nonstop3h 25m
Chicago O'Hare Intl
Thu 29/8
1 stop24h 32m
No data available for this route at this time. Please check back soon.
Best time to book a flight from Calgary to Illinois
Have a flexible travel schedule? Discover the best time to fly to Illinois from Calgary with our price prediction graph.
Reviews of airlines servicing Illinois
Get insights into the airlines that provide service to Illinois. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Illinois. Reviews last updated 25 July 2024.
Read reviews from past customers who have flown Delta, WestJet and American Airlines from Calgary to Illinois. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
Overall
Food
Boarding
Crew
Entertainment
Reviews
A/C was not working on the ground so it was 110 degrees on the plane when we boarded and we sat there for almost 40 minutes because Austin’s gate system has not kept up with growth. Not Alaska’s fault 100% but it was miserable.
Comfort
Overall
Food
Boarding
Crew
Entertainment
Reviews
A/C was not working on the ground so it was 110 degrees on the plane when we boarded and we sat there for almost 40 minutes because Austin’s gate system has not kept up with growth. Not Alaska’s fault 100% but it was miserable.
Comfort
Overall
Food
Boarding
Crew
Entertainment
Reviews
A/C was not working on the ground so it was 110 degrees on the plane when we boarded and we sat there for almost 40 minutes because Austin’s gate system has not kept up with growth. Not Alaska’s fault 100% but it was miserable.
Comfort
Overall
Food
Boarding
Crew
Entertainment
Reviews
A/C was not working on the ground so it was 110 degrees on the plane when we boarded and we sat there for almost 40 minutes because Austin’s gate system has not kept up with growth. Not Alaska’s fault 100% but it was miserable.
Comfort
Overall
Food
Boarding
Crew
Entertainment
Reviews
A/C was not working on the ground so it was 110 degrees on the plane when we boarded and we sat there for almost 40 minutes because Austin’s gate system has not kept up with growth. Not Alaska’s fault 100% but it was miserable.
Comfort
Overall
Food
Boarding
Crew
Entertainment
Reviews
A/C was not working on the ground so it was 110 degrees on the plane when we boarded and we sat there for almost 40 minutes because Austin’s gate system has not kept up with growth. Not Alaska’s fault 100% but it was miserable.
Related info for your journey
Find useful and relevant information for your journey from Calgary to Illinois. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Calgary to IllinoisSee prices for flight routes from nearby airports that may be better suited for you.
See prices for flight routes from nearby airports that may be better suited for you.
Top 8 airlines flying from Calgary to Illinois
Discover the top 8 airlines that operate flights from Calgary to Illinois. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 435,117 searches. Data last updated 25 July 2024.
Search flights from Calgary to Illinois by cabin class
Find flights from Calgary to Illinois, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Hourly flight availability from Calgary to Illinois
Find hourly flight availability from Calgary to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 25 July 2024.
| 1%of flight departures | Early morningMidnight to 6 am |
|---|---|
| 22%of flight departures | Morning6 am to noon |
| 77%of flight departures | AfternoonNoon to 6 pm |
| 0%of flight departures | Evening6 pm to midnight |
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How does Cheapflights help users find flights from Calgary to Illinois?
When you search for this flight from Calgary to Illinois, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.
Why should you use Cheapflights to find cheap flight tickets from Calgary to Illinois?
By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Illinois from Calgary.
Can Cheapflights find flights from Calgary to Illinois with no change fees?
Users can book flights with no change fees policies with our dedicated filters. Book flights from Calgary to Illinois flexibly with Cheapflights today.
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Of course! You can now track prices for flights from Calgary to Illinois and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.