$108+ Cheap flights from O'Hare Intl (ORD) to Calgary (YYC)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/20. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — YYC
Oct 15 — Oct 221
Round-trip
1 adult, Economy
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Find cheap flights from O'Hare Intl to Calgary with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Chicago O'Hare Intl to Calgary are usually found in January or October, booked 85 days in advance, depart on a Friday or Saturday and return on a Friday
Cheap flight deals from O'Hare Intl to Calgary
Cheapest
Best
Last-minute
One-way
Cheapest flights from O'Hare Intl to CalgaryExplore the most affordable flight options available from O'Hare Intl to Calgary. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2026.
Explore the most affordable flight options available from O'Hare Intl to Calgary. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2026.
This Vliegwinkel deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/192:15 pm -
1 stop7h 50m
Mon 10/2612:20 am -
1 stop8h 03m
Deal found 9/10![Air Canada logo]()
$252
This flugladen.de deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/228:45 am -
1 stop8h 12m
Tue 10/2712:20 am -
1 stop8h 03m
Deal found 9/11![Air Canada logo]()
$253
This Trip.com deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/152:15 pm -
1 stop9h 42m
Sat 10/1712:50 am -
1 stop7h 10m
Deal found 9/13![Air Canada logo]()
$255
This Kissandfly.com deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/198:40 am -
Nonstop3h 48m
Tue 10/271:51 pm -
Nonstop3h 45m
Deal found 9/11![Multiple Airlines logo]()
$260
This Travelocity deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/26:00 am -
1 stop15h 27m
Sat 12/57:10 am -
1 stop8h 51m
Deal found 9/10![Alaska Airlines logo]()
$261
This Kissandfly.com deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/184:30 pm -
1 stop8h 36m
Mon 11/231:37 pm -
Nonstop2h 33m
Deal found 9/12![Air Canada logo]()
$262
This Trip.com deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/152:15 pm -
1 stop7h 50m
Sun 10/1812:00 pm -
Nonstop3h 40m
Deal found 9/13![Multiple Airlines logo]()
$264
This Kissandfly.com deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/188:40 am -
Nonstop4h 55m
Mon 11/231:37 pm -
Nonstop2h 33m
Deal found 9/13![Lufthansa logo]()
$265
This Kissandfly.com deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/228:40 am -
Nonstop3h 48m
Wed 10/2812:37 pm -
Nonstop3h 33m
Deal found 9/11![Lufthansa logo]()
$266
This Mytrip deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/235:30 pm -
Nonstop3h 55m
Fri 10/306:00 am -
1 stop8h 38m
Deal found 9/13![Multiple Airlines logo]()
$267
Best flights from O'Hare Intl to CalgaryDiscover carefully curated flight deals from O'Hare Intl to Calgary that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 15, 2026.
Discover carefully curated flight deals from O'Hare Intl to Calgary that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 15, 2026.
This United Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/248:40 am -
Nonstop3h 48m
Wed 10/2812:37 pm -
Nonstop3h 33m
Deal found 9/11![United Airlines logo]()
$278
This United deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/78:40 am -
Nonstop4h 55m
Sun 11/87:00 am -
1 stop7h 38m
Deal found 9/14![Multiple Airlines logo]()
$291
This Delta deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/42:04 pm -
1 stop11h 17m
Mon 12/77:25 am -
1 stop9h 41m
Deal found 9/10![Delta logo]()
$303
This United Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/238:40 am -
Nonstop3h 48m
Wed 10/2812:37 pm -
Nonstop3h 33m
Deal found 9/11![United Airlines logo]()
$278
This United deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/146:00 am -
1 stop16h 48m
Sat 10/1712:50 am -
1 stop7h 10m
Deal found 9/12![Multiple Airlines logo]()
$301
This United Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/226:00 am -
1 stop16h 48m
Sat 10/3112:37 pm -
Nonstop3h 33m
Deal found 9/11![United Airlines logo]()
$288
This Delta deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/12:05 pm -
1 stop10h 01m
Wed 10/77:45 am -
2 stops11h 45m
Deal found 9/12![Delta logo]()
$344
This Delta deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/124:00 pm -
1 stop9h 25m
Sat 12/197:25 am -
1 stop9h 36m
Deal found 9/14![Delta logo]()
$360
This United deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/238:43 am -
Nonstop3h 48m
Wed 9/307:40 pm -
1 stop12h 20m
Deal found 9/14![Multiple Airlines logo]()
$363
This Delta deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/86:20 am -
1 stop8h 15m
Wed 11/188:45 am -
1 stop6h 56m
Deal found 9/14![Delta logo]()
$360
Last-minute flights from O'Hare Intl to CalgaryDiscover last-minute flight deals from O'Hare Intl to Calgary. Data last updated September 15, 2026 and is based on user searches.
Discover last-minute flight deals from O'Hare Intl to Calgary. Data last updated September 15, 2026 and is based on user searches.
This Air Canada deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/102:15 pm -
1 stop7h 50m
Sat 10/1012:55 am -
1 stop8h 17m
Deal found 9/12![Air Canada logo]()
$269
This Trip.com deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/152:15 pm -
1 stop9h 42m
Sat 10/1712:50 am -
1 stop7h 10m
Deal found 9/13![Air Canada logo]()
$255
This Trip.com deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/152:15 pm -
1 stop7h 50m
Sun 10/1812:00 pm -
Nonstop3h 40m
Deal found 9/13![Multiple Airlines logo]()
$264
This Vliegwinkel deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/192:15 pm -
1 stop7h 50m
Mon 10/2612:20 am -
1 stop8h 03m
Deal found 9/10![Air Canada logo]()
$252
This Kissandfly.com deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/198:40 am -
Nonstop3h 48m
Tue 10/271:51 pm -
Nonstop3h 45m
Deal found 9/11![Multiple Airlines logo]()
$260
This flugladen.de deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/228:45 am -
1 stop8h 12m
Tue 10/2712:20 am -
1 stop8h 03m
Deal found 9/11![Air Canada logo]()
$253
This Kissandfly.com deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/228:40 am -
Nonstop3h 48m
Wed 10/2812:37 pm -
Nonstop3h 33m
Deal found 9/11![Lufthansa logo]()
$266
This Mytrip deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/235:30 pm -
Nonstop3h 55m
Fri 10/306:00 am -
1 stop8h 38m
Deal found 9/13![Multiple Airlines logo]()
$267
This Mytrip deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/238:45 am -
1 stop8h 12m
Mon 10/2612:20 am -
1 stop8h 03m
Deal found 9/12![Air Canada logo]()
$270
One-way flights from O'Hare Intl to CalgarySearch for one-way flight options from O'Hare Intl to Calgary. Find affordable one-way fares based on user searches. Data last updated September 15, 2026.
Search for one-way flight options from O'Hare Intl to Calgary. Find affordable one-way fares based on user searches. Data last updated September 15, 2026.
This iWofly deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure iWofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/208:45 am -
1 stop8h 12m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Air Canada logo]()
$108
This flugladen.de deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/171:55 pm -
1 stop11h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Air Canada logo]()
$109
This Booking.com deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/281:55 pm -
1 stop10h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Air Canada logo]()
$112
This Alaska Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/187:00 am -
1 stop15h 39m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Alaska Airlines logo]()
$113
This American Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/308:30 pm -
Nonstop3h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![American Airlines logo]()
$114
This deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/65:30 pm -
Nonstop3h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![WestJet logo]()
$116
This Mytrip deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/73:45 pm -
1 stop8h 12m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Air Canada logo]()
$118
This Kissandfly.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/178:40 am -
Nonstop4h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Lufthansa logo]()
$119
This deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/55:30 pm -
Nonstop3h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![WestJet logo]()
$121
This Air Canada deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/303:40 pm -
1 stop9h 07m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Air Canada logo]()
$122
This United Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/136:00 am -
1 stop16h 48m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/11![United Airlines logo]()
$124
This United Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/208:40 am -
Nonstop3h 48m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![United Airlines logo]()
$125
Find flight deals from O'Hare Intl to Calgary
Discover tips and strategies to find the most affordable flight options for your journey from O'Hare Intl (ORD) to Calgary (YYC). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 15, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $252 (Vliegwinkel) |
One-way from | $108 (iWofly) |
Popular in | July |
Cheapest in | January |
Average price | $367 |
Good round-trip deal | $351 or less |
Good one-way deal | $157 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from O'Hare Intl to Calgary 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 7,457,451 searches. Data last updated September 15, 2026.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Calgary that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
ChicagoCalgary
ORD Chicago O'Hare Intl - YYC Calgary
ORDYYC
Chicago O'Hare Intl
Mon 12/7
8:40 am-1:35 pm
Nonstop4h 55m
Calgary
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$114
Quickest round-trip
ChicagoCalgary
ORD Chicago O'Hare Intl - YYC Calgary
ORDYYC
Chicago O'Hare Intl
Tue 9/29
8:40 am-11:28 am
Nonstop3h 48m
Calgary
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$114
ChicagoCalgary
ORD Chicago O'Hare Intl - YYC Calgary
ORDYYC
Chicago O'Hare Intl
Tue 12/8
8:40 am-1:35 pm
Nonstop4h 55m
Calgary
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$114
ChicagoCalgary
ORD Chicago O'Hare Intl - YYC Calgary
ORDYYC
Chicago O'Hare Intl
Tue 10/20
12:30 pm-8:40 pm
1 stop9h 10m
Calgary
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$124
ChicagoCalgary
ORD Chicago O'Hare Intl - YYC Calgary
ORDYYC
Chicago O'Hare Intl
Thu 12/10
2:04 pm-1:21 am
1 stop11h 17m
Calgary
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$124
ChicagoCalgary
ORD Chicago O'Hare Intl - YYC Calgary
ORDYYC
Chicago O'Hare Intl
Thu 10/1
2:05 pm-11:06 pm
1 stop10h 01m
Calgary
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$124
ChicagoCalgary
ORD Chicago O'Hare Intl - YYC Calgary
ORDYYC
Chicago O'Hare Intl
Sun 10/11
6:00 am-9:48 pm
1 stop16h 48m
Calgary
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$124
ChicagoCalgary
ORD Chicago O'Hare Intl - YYC Calgary
ORDYYC
Chicago O'Hare Intl
Wed 9/30
2:05 pm-11:06 pm
1 stop10h 01m
Calgary
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$124
ChicagoCalgary
ORD Chicago O'Hare Intl - YYC Calgary
ORDYYC
Chicago O'Hare Intl
Wed 10/14
2:03 pm-11:10 pm
1 stop10h 07m
Calgary
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$124
ChicagoCalgary
ORD Chicago O'Hare Intl - YYC Calgary
ORDYYC
Chicago O'Hare Intl
Sat 10/10
7:00 am-9:48 pm
1 stop15h 48m
Calgary
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$124
Showing 1-10 of 21 resultsSorted by cheapest first
Compare providers for flights from O'Hare Intl to Calgary
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from O'Hare Intl to Calgary in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Chicago O'Hare Intl Airport-Calgary flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Chicago O'Hare Intl Airport-Calgary flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Chicago O'Hare Intl Airport-Calgary flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Chicago O'Hare Intl Airport-Calgary flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Chicago O'Hare Intl Airport-Calgary flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from O'Hare Intl to Calgary
Have a flexible travel schedule? Discover the best time to fly to Calgary from O'Hare Intl with our price prediction graph.
ORD-YYC
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Chicago O'Hare Intl Airport to Calgary
Prices
Airlines
Delays
How far ahead should I book a flight from Chicago O'Hare Intl Airport to Calgary?
The best time to book flights from Chicago O'Hare Intl Airport to Calgary is 84 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Calgary?
Currently, January is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Calgary (average of $229). Flying from Chicago O'Hare Intl Airport to Calgary in July is currently the most expensive (average of $451). 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.
What is the cheapest time of day to fly from ORD to YYC?
Find hourly flight availability from O'Hare Intl to Calgary. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 15, 2026.
It’s optimal to fly from Chicago O'Hare Intl Airport to Calgary at noon. By choosing this option you can save up to 41% on the cost of your flight, compared to a flight in the morning.
What is the cheapest day to fly from Chicago O'Hare Intl Airport to Calgary?
Use this chart to determine the cheapest time to fly round-trip from O'Hare Intl to Calgary. Price data was last updated on September 12, 2026.
Travelers seeking maximum savings on their Chicago O'Hare Intl Airport to Calgary flight should consider departing on Thursday at noon when fares are most often at their lowest. Thursday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
How often are flights from Chicago to Calgary delayed?
About 27% of weekly flights between Chicago and Calgary have experienced delays in the past year, with the average delay time being 148 minutes.
What is the most punctual flight time for Chicago to Calgary flights?
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Tuesday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Chicago to Calgary flights?
Over the last year, United Airlines have had the lowest number of delays on this route, with just 24% of flights being delayed.
The best insider tips for Chicago O'Hare Intl Airport to Calgary flights
AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Chicago O'Hare Intl Airport to Calgary trip
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Reviews of airlines servicing Calgary
Get insights into the airlines that provide service to Calgary. 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 Calgary. Reviews last updated September 15, 2026.
Read reviews from past customers who have flown Delta,United Airlines, andWestJet from Chicago O'Hare Intl Airport to Calgary. 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.
Crew
8.5
Overall
7.8
Comfort
7.8
Food
7.2
Entertainment
7.8
Boarding
8.1
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
Crew
8.5
Overall
7.8
Comfort
7.8
Food
7.2
Entertainment
7.8
Boarding
8.1
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
Crew
8.5
Overall
7.8
Comfort
7.8
Food
7.2
Entertainment
7.8
Boarding
8.1
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
Crew
8.5
Overall
7.8
Comfort
7.8
Food
7.2
Entertainment
7.8
Boarding
8.1
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
Crew
8.5
Overall
7.8
Comfort
7.8
Food
7.2
Entertainment
7.8
Boarding
8.1
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
Crew
8.5
Overall
7.8
Comfort
7.8
Food
7.2
Entertainment
7.8
Boarding
8.1
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
Related info for your journey
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O'Hare Intl and Calgary flights
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Top 6 airlines flying from O'Hare Intl to Calgary
Discover the top 6 airlines that operate flights from O'Hare Intl to Calgary. 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 7,457,451 searches. Data last updated September 15, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$127 | Average$231 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$128 | Average$333 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$139 | Average$298 | FlexibilityNo cancel fee | On-time60% | |
| Cheapest$174 | Average$451 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$184 | Average$335 | FlexibilityNo cancel fee | On-time52% | |
| Cheapest$277 | Average$475 | FlexibilityNo cancel fee | On-time71% |