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$140+ Cheap flights from O'Hare Intl (ORD) to Calgary (YYC)

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 10/20. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — YYC
Aug 31 — Sep 71
Mon 8/31
Mon 9/7
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

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2. Select your favorite providers

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Cheapflights Tip: The best prices from Chicago O'Hare Intl to Calgary are usually found in January or October, booked 37 days in advance, depart on a Friday or Tuesday and return on a Friday

Cheap flight deals from O'Hare Intl to Calgary

Cheapest flights from O'Hare Intl to Calgary
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 August 1, 2026.

This FlightHub deal was found by Cheapflights users on 7/31. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/15:30 pm
ORD
-
YYC
Nonstop3h 55m
WestJet
Sun 9/612:00 pm
YYC
-
ORD
Nonstop3h 40m
WestJet
Deal found 7/31$259
This Traveloka deal was found by Cheapflights users on 7/31. 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 Traveloka is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/142:15 pm
ORD
-
YYC
1 stop7h 50m
Multiple Airlines
Mon 9/2112:00 pm
YYC
-
ORD
Nonstop3h 40m
Multiple Airlines
Deal found 7/31$262
This Trip.com deal was found by Cheapflights users on 7/31. 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.
Sat 8/295:30 pm
ORD
-
YYC
Nonstop3h 55m
WestJet
Sat 9/512:00 pm
YYC
-
ORD
Nonstop3h 40m
WestJet
Deal found 7/31$263
This Kiwi.com deal was found by Cheapflights users on 8/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/265:30 pm
ORD
-
YYC
Nonstop3h 55m
WestJet
Fri 8/2812:00 pm
YYC
-
ORD
Nonstop3h 40m
WestJet
Deal found 8/1$264
This Kiwi.com deal was found by Cheapflights users on 7/31. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/185:30 pm
ORD
-
YYC
Nonstop3h 55m
WestJet
Mon 9/2112:00 pm
YYC
-
ORD
Nonstop3h 40m
WestJet
Deal found 7/31$265
This Justfly.com deal was found by Cheapflights users on 7/31. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/155:30 pm
ORD
-
YYC
Nonstop3h 55m
WestJet
Mon 9/2112:00 pm
YYC
-
ORD
Nonstop3h 40m
WestJet
Deal found 7/31$266
This Kiwi.com deal was found by Cheapflights users on 7/31. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/45:30 pm
ORD
-
YYC
Nonstop3h 55m
WestJet
Mon 10/1212:00 pm
YYC
-
ORD
Nonstop3h 40m
WestJet
Deal found 7/31$270
This Air Canada deal was found by Cheapflights users on 7/31. 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.
Tue 10/202:15 pm
ORD
-
YYC
1 stop9h 42m
Air Canada
Tue 10/201:00 am
YYC
-
ORD
1 stop8h 17m
Air Canada
Deal found 7/31$271
This United deal was found by Cheapflights users on 7/31. 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.
Thu 10/16:00 am
ORD
-
YYC
1 stop16h 48m
Multiple Airlines
Thu 10/112:55 am
YYC
-
ORD
1 stop7h 05m
Multiple Airlines
Deal found 7/31$272

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 August 1, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$259
(FlightHub)

One-way from

$140
(Delta)

Popular in

July

Cheapest in

January

Average price

$381

Good round-trip deal

$355 or less

Good one-way deal

$168 or less
Provider with most accurate pricing for Chicago O'Hare Intl-Calgary flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago O'Hare Intl-Calgary flights.
Search Deals
From Chicago O'Hare Intl to Calgary
Search Deals
One-way flight from Chicago O'Hare Intl to Calgary
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($67 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2026
Search Deals
Price to beat on a round-trip flight from Chicago O'Hare Intl to Calgary.
Search Deals
Price to beat on a one-way flight from Chicago O'Hare Intl to Calgary.
Search Deals

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 2,558,603 searches. Data last updated August 1, 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

Price

Cheapest round-trip

ChicagoCalgary

ORD - YYC

ORDYYC

Chicago O'Hare Intl

Tue 10/13

6:00 am-9:48 pm

1 stop16h 48m

Calgary

Wed 10/14

12:30 pm-5:05 pm

Nonstop3h 35m

$319
Quickest round-trip

ChicagoCalgary

ORD - YYC

ORDYYC

Chicago O'Hare Intl

Thu 8/20

7:46 pm-10:37 pm

Nonstop3h 51m

Calgary

Tue 8/25

8:30 am-1:05 pm

Nonstop3h 35m

$322

ChicagoCalgary

ORD - YYC

ORDYYC

Chicago O'Hare Intl

Fri 9/18

7:45 pm-10:35 pm

Nonstop3h 50m

Calgary

Tue 9/22

1:27 pm-9:59 pm

1 stop7h 32m

$325

ChicagoCalgary

ORD - YYC

ORDYYC

Chicago O'Hare Intl

Tue 8/18

7:46 pm-10:37 pm

Nonstop3h 51m

Calgary

Sat 8/22

6:00 am-10:46 pm

1 stop15h 46m

$327

ChicagoCalgary

ORD - YYC

ORDYYC

Chicago O'Hare Intl

Sun 8/16

7:46 pm-10:37 pm

Nonstop3h 51m

Calgary

Thu 8/20

6:00 am-10:46 pm

1 stop15h 46m

$327

ChicagoCalgary

ORD - YYC

ORDYYC

Chicago O'Hare Intl

Thu 10/15

8:40 am-11:28 am

Nonstop3h 48m

Calgary

Sun 10/18

6:30 am-2:55 pm

1 stop7h 25m

$354

ChicagoCalgary

ORD - YYC

ORDYYC

Chicago O'Hare Intl

Thu 8/27

2:00 pm-11:04 pm

1 stop10h 04m

Calgary

Tue 9/1

7:45 am-6:19 pm

1 stop9h 34m

$356

ChicagoCalgary

ORD - YYC

ORDYYC

Chicago O'Hare Intl

Fri 8/14

5:00 am-6:30 pm

1 stop14h 30m

Calgary

Mon 8/24

8:00 am-9:29 pm

1 stop12h 29m

$356

ChicagoCalgary

ORD - YYC

ORDYYC

Chicago O'Hare Intl

Wed 8/12

5:00 am-1:53 pm

1 stop9h 53m

Calgary

Sat 8/22

6:00 am-7:30 pm

1 stop12h 30m

$364

ChicagoCalgary

ORD - YYC

ORDYYC

Chicago O'Hare Intl

Mon 8/24

2:00 pm-11:04 pm

1 stop10h 04m

Calgary

Tue 9/1

12:32 pm-9:33 pm

1 stop8h 01m

$387

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

Showing 1-10 of 21 resultsSorted by cheapest first
1
2
3

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 August.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars
Super.comPrice Accuracy-Trust Score*3 stars
Trip.comPrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • 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.
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

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 36 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 $448). 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 August 1, 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 42% 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 August 1, 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 much does it cost to fly round-trip from Chicago O'Hare Intl Airport to Calgary?

Airfare is below average for this route at the moment.

Chicago O'Hare Intl Airport to Calgary flights typically cost between $270 and $486 in September.
The cheapest round-trip price found within the last 5 days was $259 on WestJet (Sep 1-Sep 6).

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
Our travel experts
Harriet Baskas

Harriet Baskas

Expert on United Airlines

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Read more
Jessica Macdonald

Jessica Macdonald

Expert on Air Canada

Currently based in Scotland after living in South Africa and the United States, Jessica has been writing travel and aviation content for more than 10 years. She regularly contributes to Travel + Leisure and TripSavvy, and has had work published by Condé Nast Traveller and The Independent. She has traveled to more than 50 countries across six continents.

Read more
Ramsey Qubein

Ramsey Qubein

Expert on ORD

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more
Jenna Scatena

Jenna Scatena

Expert on YYC

Journalist and Travel Writer, Jenna Scatena is an award-winning travel writer with a love for sharing stories and exploring new places, especially by Vespa. Though she's from San Francisco, she has spent a significant chunk of her vacation days over the last decade eating her way through Texas and sleeping in hotels around the world—especially in California, the Middle East, and Europe.

Read more

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 August 1, 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.
Delta
7.8
Good
8,493 reviews

Food

7.2

Boarding

8.1

Overall

7.8

Comfort

7.8

Crew

8.5

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
Delta
7.8
Good
8,493 reviews
Delta
7.8
Good
8,493 reviews

Food

7.2

Boarding

8.1

Overall

7.8

Comfort

7.8

Crew

8.5

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
United Airlines
7.4
Good
10,061 reviews
Delta
7.8
Good
8,493 reviews

Food

7.2

Boarding

8.1

Overall

7.8

Comfort

7.8

Crew

8.5

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
WestJet
7.2
Good
3,424 reviews
Delta
7.8
Good
8,493 reviews

Food

7.2

Boarding

8.1

Overall

7.8

Comfort

7.8

Crew

8.5

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
American Airlines
7.1
Good
11,846 reviews
Delta
7.8
Good
8,493 reviews

Food

7.2

Boarding

8.1

Overall

7.8

Comfort

7.8

Crew

8.5

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional
Air Canada
7.1
Good
11,419 reviews
Delta
7.8
Good
8,493 reviews

Food

7.2

Boarding

8.1

Overall

7.8

Comfort

7.8

Crew

8.5

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Related info for your journey

Find useful and relevant information for your journey from O'Hare Intl to Calgary. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Calgary from Chicago O'Hare Intl?

    For a flight from Chicago O'Hare Intl to Calgary, you will be flying into Calgary. Calgary (YYC) is just 5.8 mi from the center of the city. Calgary is the only Calgary airport and it handles 10 inbound flights from Chicago O'Hare Intl per day. 5 airlines have flights to Calgary from Chicago O'Hare Intl on a regular basis.

  • How long is the flight from Chicago O'Hare Intl Airport to Calgary?

    United Airlines can get you from Chicago O'Hare Intl Airport to Calgary in just under 16h 48m. Your travel time can differ by up to . There are 1381 mi between Chicago O'Hare Intl Airport and Calgary.

  • What are the cheapest airlines flying from Chicago O'Hare Intl Airport to Calgary round-trip?

    According to our current data, Delta ($114), Air Canada ($128), and WestJet ($137) offers the cheapest pricing from Chicago O'Hare Intl Airport to Calgary. Users have found that Delta is 65% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Chicago O'Hare Intl Airport to Calgary one-way?

    For one-way options, check prices for WestJet. According to our data, you can fly for as low as $66. Users have also found prices from $74 and $83 on American Airlines and United Airlines, respectively.

  • What are the most reliable airlines from Chicago O'Hare Intl Airport to Calgary?

    The top 3 most reliable airlines when flying from Chicago O'Hare Intl Airport to Calgary are American Airlines (82%), Envoy Air (80%) and Air Canada (77%).

  • What are the cheapest flights from Chicago O'Hare Intl Airport to Calgary?

    The cheapest flight price from Chicago O'Hare Intl Airport to Calgary is $123. On average you can expect to pay $346. The most popular route, (Chicago O'Hare Intl - Calgary), can usually be booked for $268.

  • Can I find deals for flights from O'Hare Intl to Calgary that include hotel bookings?

    Yes. In addition to deals on O'Hare Intl to Calgary flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from O'Hare Intl to Calgary?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from O'Hare Intl to Calgary.

  • Can I find deals for business class flights from O'Hare Intl to Calgary?

    Yes. Cheapflights offers flight deals from O'Hare Intl to Calgary by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • 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 $448). 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.

See more FAQs

Traveling to a place near Calgary?

Book flights to Calgary if you plan to visit one of these locations
Canmore

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Alternative routes for O'Hare Intl to Calgary

See prices for flight routes from nearby airports that may be better suited for you.
Midway to Calgary flights
O'Hare Intl to Edmonton flights
O'Hare Intl to Grande Prairie flights

Top 5 airlines flying from O'Hare Intl to Calgary

Discover the top 5 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 2,558,603 searches. Data last updated August 1, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$114Average$231FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$123Average$310FlexibilityNo cancel feeOn-time67%
WestJetCheapest$136Average$286FlexibilityNo cancel feeOn-time60%
United AirlinesCheapest$139Average$452FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$249Average$467FlexibilityNo cancel feeOn-time71%

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