Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from Calgary to Chicago O'Hare Intl Airport from C$ 125

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 16/3. Fares are subject to change and may not be available on all flights or dates of travel.
YYC — ORD
22 Jan — 29 Jan1
1 adult

The best prices from Calgary to Chicago O'Hare Intl are usually found in September or May, booked 18 days in advance, depart on a Monday or Wednesday and return on a Monday

Cheap flight deals from Calgary to O'Hare Intl

Discover tips and strategies to find the most affordable flight options for your journey from Calgary (YYC) to O'Hare Intl (ORD). 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 17 January 2025.

Round-trip from

C$ 218

One-way from

C$ 125

Popular in

December

Cheapest in

September

Average price

C$ 441
WestJet
  • WestJet
  • 20/2-27/2
  • Nonstop
  • 7h 17m total
  • Calgary to Chicago
WestJet
  • WestJet
  • 16/3
  • Nonstop
  • 3h 26m total
  • Calgary to Chicago
High demand for flights, 10% potential price rise
Best time to find cheap flights, 3% potential price drop
Average for round-trip flights in January 2025

Find flight deals from Calgary to O'Hare Intl

Cheapest flights from Calgary to O'Hare Intl
Explore the most affordable flight options available from Calgary to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 January 2025.

Thu 11/912:15 p.m.YYC - ORD
Nonstop3h 28mWestJet
Sun 14/95:30 p.m.ORD - YYC
Nonstop3h 49mWestJet
Deal found 14/1C$ 194
Thu 20/211:30 a.m.YYC - ORD
Nonstop3h 26mMultiple Airlines
Thu 27/25:10 a.m.ORD - YYC
2 stops19h 40mMultiple Airlines
Deal found 15/1C$ 287
Thu 20/28:30 a.m.YYC - ORD
1 stop9h 04mAir Canada
Tue 25/24:00 p.m.ORD - YYC
1 stop8h 17mAir Canada
Deal found 14/1C$ 292
Sat 8/26:35 a.m.YYC - ORD
1 stop7h 55mDelta
Wed 19/21:45 p.m.ORD - YYC
1 stop10h 30mDelta
Deal found 16/1C$ 312
Thu 16/112:41 p.m.YYC - ORD
Nonstop3h 34mUnited Airlines
Tue 21/18:50 a.m.ORD - YYC
Nonstop3h 49mUnited Airlines
Deal found 15/1C$ 466
Thu 16/16:29 a.m.YYC - ORD
1 stop6h 56mAmerican Airlines
Wed 22/110:00 a.m.ORD - YYC
1 stop12h 57mAmerican Airlines
Deal found 15/1C$ 507

Find flights from Calgary to O'Hare Intl within your budget

Customize your flight search to find flights from Calgary to O'Hare Intl 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 629,999 searches. Data last updated 17 January 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

CalgaryChicago

YYC - ORD

YYCORD

Calgary

Thu 20/2

11:30 a.m.-3:56 p.m.

Nonstop3h 26m

Chicago O'Hare Intl

Thu 27/2

4:45 p.m.-7:36 p.m.

Nonstop3h 51m

C$ 218

CalgaryChicago

YYC - ORD

YYCORD

Calgary

Thu 20/2

11:30 a.m.-3:56 p.m.

Nonstop3h 26m

Chicago O'Hare Intl

Thu 27/2

5:10 a.m.-11:50 p.m.

2 stops19h 40m

C$ 287

CalgaryChicago

YYC - ORD

YYCORD

Calgary

Thu 20/2

8:30 a.m.-6:34 p.m.

1 stop9h 04m

Chicago O'Hare Intl

Tue 25/2

4:00 p.m.-11:17 p.m.

1 stop8h 17m

C$ 292

CalgaryChicago

YYC - ORD

YYCORD

Calgary

Sat 8/2

6:35 a.m.-3:30 p.m.

1 stop7h 55m

Chicago O'Hare Intl

Wed 19/2

1:45 p.m.-11:15 p.m.

1 stop10h 30m

C$ 312

CalgaryChicago

YYC - ORD

YYCORD

Calgary

Fri 7/3

7:20 p.m.-9:33 a.m.

1 stop13h 13m

Chicago O'Hare Intl

Tue 11/3

8:47 a.m.-11:41 a.m.

Nonstop3h 54m

C$ 526

CalgaryChicago

YYC - ORD

YYCORD

Calgary

Fri 21/2

1:32 p.m.-6:03 p.m.

Nonstop3h 31m

Chicago O'Hare Intl

Tue 25/2

5:00 a.m.-11:50 a.m.

1 stop7h 50m

C$ 540

CalgaryChicago

YYC - ORD

YYCORD

Calgary

Sun 16/3

11:30 a.m.-3:56 p.m.

Nonstop3h 26m

C$ 125

CalgaryChicago

YYC - ORD

YYCORD

Calgary

Wed 12/2

8:30 a.m.-6:38 p.m.

1 stop9h 08m

C$ 158

CalgaryChicago

YYC - ORD

YYCORD

Calgary

Sun 9/3

7:20 p.m.-11:19 a.m.

1 stop14h 59m

C$ 171

CalgaryChicago

YYC - ORD

YYCORD

Calgary

Thu 20/2

6:35 a.m.-8:53 p.m.

2 stops13h 18m

C$ 198

Flights are sorted by cheapest round-trip flights first.

Deals found on 15/1

Showing 1-10 of 12 results
1
2

Best time to book a flight from Calgary to O'Hare Intl

Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl from Calgary 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.

Travel insights for flights from Calgary to O'Hare Intl

Get recent, data-driven insights about flights from Calgary to O'Hare Intl including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from Calgary to Chicago O'Hare Intl Airport?

Use this chart to determine the optimal time to book a round-trip flight from Calgary to O'Hare Intl. Price data was last updated on 10 January 2025.

The best time to book flights from Calgary to Chicago O'Hare Intl Airport is 18 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 Calgary to Chicago O'Hare Intl Airport?

Currently, January is the cheapest month in which you can book a flight from Calgary to Chicago O'Hare Intl Airport (average of C$ 261). Flying from Calgary to Chicago O'Hare Intl Airport in March is currently the most expensive (average of C$ 355). 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 YYC to ORD?

Find hourly flight availability from Calgary to O'Hare Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 17 January 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 14% on flights from Calgary to Chicago O'Hare Intl Airport by exploring options for tickets in the morning.

Rainfall in O'Hare Intl by month

Plan your trip to O'Hare Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Chicago O'Hare Intl Airport ranges from 43.0 - 125.0 mm per month. August is typically the wettest month, when rainfall can reach 125.0 mm. January is typically the driest time to visit Chicago O'Hare Intl Airport when rainfall is around 43.0 mm.

Temperature in O'Hare Intl by month

Plan your trip to O'Hare Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Chicago O'Hare Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -5.0 C).

Reviews of airlines servicing O'Hare Intl

Get insights into the airlines that provide service to O'Hare Intl. 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 O'Hare Intl. Reviews last updated 17 January 2025.
See what other customers who have flown with WestJet, Delta and Air Canada from Calgary to Chicago have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good
8,511 reviews

Food

7.3

Crew

8.6

Comfort

8.0

Entertainment

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

8.0
Very good
8,511 reviews
8.0
Very good
8,511 reviews

Food

7.3

Crew

8.6

Comfort

8.0

Entertainment

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

7.4
Good
8,965 reviews
8.0
Very good
8,511 reviews

Food

7.3

Crew

8.6

Comfort

8.0

Entertainment

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

7.2
Good
10,000 reviews
8.0
Very good
8,511 reviews

Food

7.3

Crew

8.6

Comfort

8.0

Entertainment

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

7.2
Good
2,824 reviews
8.0
Very good
8,511 reviews

Food

7.3

Crew

8.6

Comfort

8.0

Entertainment

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

7.0
Good
8,587 reviews
8.0
Very good
8,511 reviews

Food

7.3

Crew

8.6

Comfort

8.0

Entertainment

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Calgary to O'Hare Intl. 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 from for flights from Calgary to Chicago O'Hare Intl?

    For a flight from Calgary to Chicago O'Hare Intl, you will be flying from Calgary. Calgary (YYC) is just 9.3 km from the centre of the city. Calgary is the only Calgary airport and it handles 2 outbound flights to Chicago O'Hare Intl per day. 6 airlines have flights to Chicago O'Hare Intl from Calgary on a regular basis.

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

    Cheapflights users have booked flights from Calgary to Chicago O'Hare Intl Airport round-trip from C$ 218. Other airlines that can offer you cheap pricing are Air Canada, from C$ 302, and Delta, from C$ 312. You may be able to fly from Calgary to Chicago O'Hare Intl Airport for 57% less than the average price by searching for these airlines.

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

    To fly one-way, consider booking your trip with WestJet, which is currently one of the cheapest options available, starting at C$ 125. Air Canada flights start at C$ 158 while deals on United Airlines start at C$ 171 one-way.

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Calgary to Chicago O'Hare Intl Airport on time: Air Canada (79%), Emirates (79%), United Airlines (79%).

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

    Looking for the cheapest flight from Calgary to Chicago O'Hare Intl Airport? While on average our users pay C$ 1,319, our data indicates the cheapest price to be C$ 155. The most popular route (Calgary - Chicago O'Hare Intl), is priced around C$ 257.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Calgary to O'Hare Intl 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 Calgary to Chicago O'Hare Intl Airport?

    Currently, January is the cheapest month in which you can book a flight from Calgary to Chicago O'Hare Intl Airport (average of C$ 261). Flying from Calgary to Chicago O'Hare Intl Airport in March is currently the most expensive (average of C$ 355). 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

Travelling to a place near Calgary?

Book flights to Calgary if you plan to visit one of these locations
Elk Grove Village
Evanston
Downers Grove
Skokie
Naperville
Bolingbrook
Romeoville

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Calgary to O'Hare Intl

See prices for flight routes from nearby airports that may be better suited for you.

Top 6 airlines flying from Calgary to O'Hare Intl

Discover the top 6 airlines that operate flights from Calgary to O'Hare Intl. 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 629,999 searches. Data last updated 17 January 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapestC$ 204AverageC$ 438FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
WestJetCheapestC$ 238AverageC$ 412FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air CanadaCheapestC$ 275AverageC$ 554FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
DeltaCheapestC$ 318AverageC$ 418FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapestC$ 331AverageC$ 629FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
WestJet EncoreCheapestC$ 579AverageC$ 1,023FlexibilityNo cancel feeOn-timeN/A
Search WestJet Encore flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Calgary to O'Hare Intl?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to O'Hare Intl from Calgary today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Calgary to O'Hare Intl?

Cheapflights simply makes it quick and affordable to book flights from Calgary to O'Hare Intl by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Calgary to O'Hare Intl with no change fees?

Yes, we can. To see specific flights from Calgary to O'Hare Intl with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Calgary to O'Hare Intl become cheaper?

Of course! You can now track prices for flights from Calgary to O'Hare Intl 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.

100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.