What’s the cheapest layover airport for flights from Calgary to Chicago O'Hare Intl Airport?

Ottawa (YOW) is the most affordable 1-stop option, with an average round-trip price of C$ 432.

What’s the top layover airport for flights from Calgary to Chicago O'Hare Intl Airport?

Toronto (YYZ) – chosen by Cheapflights users on 53% of one-stop itineraries from Calgary to Chicago O'Hare Intl Airport on Cheapflights.

What’s the fastest layover option from Calgary to Chicago O'Hare Intl Airport?

Flights via Toronto (YYZ) have the shortest average one-way travel time for 1-stop routes: 7h 14m.

Which airport typically offers the quickest layover for flights from Calgary to Chicago O'Hare Intl Airport?

Flights via Toronto (YYZ) offer the fastest connection on this route, with an average layover time of 2h 13m.

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

A quick flight from Calgary to Chicago O'Hare Intl Airport can take about 10h 12m. Delta provides one of the quickest options available for as low as C$ 421. Airlines will cover a distance of 2223 km.

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$ 122. Other airlines that can offer you cheap pricing are Delta, from C$ 150, and WestJet, from C$ 186. You may be able to fly from Calgary to Chicago O'Hare Intl Airport for 69% 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$ 137. American Airlines flights start at C$ 169 while deals on United Airlines start at C$ 169 one-way.

Weekly flight availability from Calgary to Chicago O'Hare Intl Airport

The most flights from YYC to ORD are scheduled on a Wednesday (14 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (7 on average).

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.

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).

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$ 577, our data indicates the cheapest price to be C$ 224. The most popular route (Calgary - Chicago O'Hare Intl), is priced around C$ 368.

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: Qatar Airways (96%), American Airlines (84%), Envoy Air (82%).

What are the most popular airlines that fly from Calgary to Chicago O'Hare Intl Airport?

WestJet, United Airlines and American Airlines are the most popular airlines when flying from Calgary to Chicago O'Hare Intl Airport.

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 12 outbound flights to Chicago O'Hare Intl per day. 5 airlines have flights to Chicago O'Hare Intl from Calgary on a regular basis.

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.

C$ 206+ Cheap Flights from Calgary to Chicago O'Hare Intl Airport

Q: How much does it cost to fly round-trip from Calgary to Chicago O'Hare Intl Airport?

Airfare is below average for this route at the moment. Calgary to Chicago O'Hare Intl Airport flights typically cost between C$ 641 and C$ 275 in October. The cheapest round-trip price found within the last 5 days was C$ 355 on WestJet (15 Oct-19 Oct).

Cheapflights Tip: The best prices from Calgary to Chicago O'Hare Intl are usually found in November or March, booked 78 days in advance, depart on a Friday or Thursday and return on a Sunday

Cheap flight deals from Calgary to O'Hare Intl

Enter your travel dates to find the best prices.

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Direct

Last-minute

One-way

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 7 June 2026.

Thu 15/1012:00 p.m.

YYC

ORD

Nonstop3h 40m

WestJet

Mon 19/105:30 p.m.

ORD

YYC

Nonstop3h 55m

WestJet

Deal found 5/6C$ 355

Wed 2/97:00 a.m.

YYC

ORD

Nonstop3h 35m

American Airlines

Thu 10/98:30 p.m.

ORD

YYC

Nonstop3h 59m

American Airlines

Deal found 2/6C$ 361

Fri 30/107:45 a.m.

YYC

ORD

1 stop8h 04m

Delta

Mon 2/111:55 p.m.

ORD

YYC

1 stop10h 18m

Delta

Deal found 7/6C$ 367

Wed 2/912:32 p.m.

YYC

ORD

2 stops10h 30m

Delta

Wed 9/95:00 p.m.

ORD

YYC

1 stop7h 06m

Delta

Deal found 4/6C$ 368

Wed 12/87:45 a.m.

YYC

ORD

1 stop9h 34m

Delta

Wed 19/81:59 p.m.

ORD

YYC

1 stop10h 00m

Delta

Deal found 2/6C$ 369

Thu 24/127:15 a.m.

YYC

ORD

2 stops13h 19m

Delta

Thu 31/121:55 p.m.

ORD

YYC

1 stop10h 18m

Delta

Deal found 4/6C$ 378

Mon 28/912:00 p.m.

YYC

ORD

Nonstop3h 40m

WestJet

Tue 6/105:30 p.m.

ORD

YYC

Nonstop3h 55m

WestJet

Deal found 6/6C$ 379

Thu 22/1012:00 p.m.

YYC

ORD

Nonstop3h 40m

WestJet

Sun 25/102:20 p.m.

ORD

YYC

Nonstop3h 55m

WestJet

Deal found 3/6C$ 385

Fri 4/912:00 p.m.

YYC

ORD

Nonstop3h 40m

WestJet

Mon 7/95:30 p.m.

ORD

YYC

Nonstop3h 55m

WestJet

Deal found 3/6C$ 389

Fri 5/61:41 p.m.

YYC

ORD

Nonstop3h 45m

American Airlines

Sat 6/69:40 a.m.

ORD

YYC

1 stop13h 03m

American Airlines

Deal found 4/6C$ 393

Find flight deals from Calgary to O'Hare Intl

Round-trip from	C$ 355
One-way from	C$ 206
Popular in	July
Cheapest in	November
Average price	C$ 421
Good round-trip deal	C$ 518 or less
Good one-way deal	C$ 271 or less

WestJet
15/10-19/10
Nonstop
7h 35m total
Calgary to Chicago

Search Deals

WestJet
29/9
Nonstop
3h 40m total
Calgary to Chicago

Search Deals

Highest demand for flights based on searches. 14% potential increase in price (C$ 95 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (C$ 13 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in June 2026

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Price to beat on a round-trip flight from Calgary to Chicago O'Hare Intl.

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Price to beat on a one-way flight from Calgary to Chicago O'Hare Intl.

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Cheapflights Fare Finder

Use the filters below to find and compare flights from Calgary to Chicago O'Hare Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

CalgaryChicago

YYC - ORD

YYCORD

Calgary

Mon 20/7

7:45 a.m.-6:57 p.m.

1 stop10h 12m

Chicago O'Hare Intl

Mon 27/7

2:02 p.m.-10:58 p.m.

1 stop9h 56m

C$ 421

CalgaryChicago

YYC - ORD

YYCORD

Calgary

Thu 23/7

7:45 a.m.-6:57 p.m.

1 stop10h 12m

Chicago O'Hare Intl

Mon 27/7

2:02 p.m.-10:58 p.m.

1 stop9h 56m

C$ 477

CalgaryChicago

YYC - ORD

YYCORD

Calgary

Sun 6/9

12:00 p.m.-4:40 p.m.

Nonstop3h 40m

Chicago O'Hare Intl

Sat 12/9

10:30 a.m.-9:55 p.m.

1 stop12h 25m

C$ 525

CalgaryChicago

YYC - ORD

YYCORD

Calgary

Fri 30/10

9:00 a.m.-1:35 p.m.

Nonstop3h 35m

Chicago O'Hare Intl

Mon 2/11

1:55 p.m.-11:13 p.m.

1 stop10h 18m

C$ 527

CalgaryChicago

YYC - ORD

YYCORD

Calgary

Sat 15/8

12:00 p.m.-4:40 p.m.

Nonstop3h 40m

Chicago O'Hare Intl

Mon 17/8

6:40 a.m.-5:10 p.m.

1 stop11h 30m

C$ 532

CalgaryChicago

YYC - ORD

YYCORD

Calgary

Tue 11/8

7:00 a.m.-6:49 p.m.

1 stop10h 49m

Chicago O'Hare Intl

Sat 15/8

5:30 p.m.-8:25 p.m.

Nonstop3h 55m

C$ 541

CalgaryChicago

YYC - ORD

YYCORD

Calgary

Fri 14/8

12:30 a.m.-9:40 a.m.

1 stop8h 10m

Chicago O'Hare Intl

Sun 16/8

5:30 p.m.-8:25 p.m.

Nonstop3h 55m

C$ 541

CalgaryChicago

YYC - ORD

YYCORD

Calgary

Mon 29/6

6:00 a.m.-10:49 p.m.

1 stop15h 49m

Chicago O'Hare Intl

Mon 6/7

7:45 p.m.-10:37 p.m.

Nonstop3h 52m

C$ 571

CalgaryChicago

YYC - ORD

YYCORD

Calgary

Fri 19/6

7:40 a.m.-6:58 p.m.

1 stop10h 18m

Chicago O'Hare Intl

Mon 22/6

2:09 p.m.-11:01 p.m.

1 stop9h 52m

C$ 608

CalgaryChicago

YYC - ORD

YYCORD

Calgary

Fri 17/7

6:45 a.m.-4:59 p.m.

1 stop9h 14m

Chicago O'Hare Intl

Sun 26/7

2:02 p.m.-10:58 p.m.

1 stop9h 56m

C$ 610

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/6

Showing 1-10 of 19 resultsSorted by cheapest first

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.

YYC-ORD

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 Calgary to Chicago O'Hare Intl Airport

Prices

Airlines

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

The best time to book flights from Calgary to Chicago O'Hare Intl Airport is 77 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, November is the cheapest month in which you can book a flight from Calgary to Chicago O'Hare Intl Airport (average of C$ 346). Flying from Calgary to Chicago O'Hare Intl Airport in July is currently the most expensive (average of C$ 492). 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?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Calgary to Chicago O'Hare Intl Airport as you normally would.

How much does it cost to fly round-trip from Calgary to Chicago O'Hare Intl Airport?

Reviews of airlines servicing O'Hare Intl

See what other customers who have flown with Delta,United Airlines, andWestJet from Calgary to Chicago O'Hare Intl Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

7.9

Good

8,396 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Rakshith,May 2026

TPE - SEA

I got middle seat, but it was cheap $340 for Taipei to PDX ,

Delta

7.9

Good

8,396 reviews

Delta

7.9

Good

8,396 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Rakshith,May 2026

TPE - SEA

I got middle seat, but it was cheap $340 for Taipei to PDX ,

United Airlines

7.4

Good

9,776 reviews

Delta

7.9

Good

8,396 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Rakshith,May 2026

TPE - SEA

I got middle seat, but it was cheap $340 for Taipei to PDX ,

WestJet

7.2

Good

3,352 reviews

Delta

7.9

Good

8,396 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Rakshith,May 2026

TPE - SEA

I got middle seat, but it was cheap $340 for Taipei to PDX ,

American Airlines

7.1

Good

11,649 reviews

Delta

7.9

Good

8,396 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Rakshith,May 2026

TPE - SEA

I got middle seat, but it was cheap $340 for Taipei to PDX ,

Air Canada

7.1

Good

11,137 reviews

Delta

7.9

Good

8,396 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Rakshith,May 2026

TPE - SEA

I got middle seat, but it was cheap $340 for Taipei to PDX ,

Related info for your journey

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 12 outbound flights to Chicago O'Hare Intl per day. 5 airlines have flights to Chicago O'Hare Intl from Calgary on a regular basis.
How long is the flight from Calgary to Chicago O'Hare Intl Airport?
A quick flight from Calgary to Chicago O'Hare Intl Airport can take about 10h 12m. Delta provides one of the quickest options available for as low as C$ 421. Airlines will cover a distance of 2223 km.
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$ 122. Other airlines that can offer you cheap pricing are Delta, from C$ 150, and WestJet, from C$ 186. You may be able to fly from Calgary to Chicago O'Hare Intl Airport for 69% 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$ 137. American Airlines flights start at C$ 169 while deals on United Airlines start at C$ 169 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: Qatar Airways (96%), American Airlines (84%), Envoy Air (82%).
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$ 577, our data indicates the cheapest price to be C$ 224. The most popular route (Calgary - Chicago O'Hare Intl), is priced around C$ 368.
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, November is the cheapest month in which you can book a flight from Calgary to Chicago O'Hare Intl Airport (average of C$ 346). Flying from Calgary to Chicago O'Hare Intl Airport in July is currently the most expensive (average of C$ 492). 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.

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Northbrook

Evanston

Des Plaines

Skokie

Downers Grove

Elk Grove Village

Racine

Bolingbrook

Naperville

Romeoville

Schaumburg

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Grande Prairie to Midway flights

Top 5 airlines flying from Calgary to O'Hare Intl

Airline	Cheapest	Average	Flexibility	On-time
Air Canada	CheapestC$ 122	AverageC$ 418	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
Delta	CheapestC$ 150	AverageC$ 385	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
WestJet	CheapestC$ 186	AverageC$ 355	FlexibilityNo cancel fee	On-time60%	Search WestJet flights
United Airlines	CheapestC$ 188	AverageC$ 519	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
American Airlines	CheapestC$ 197	AverageC$ 388	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights

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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?

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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.

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Cheap flights from Calgary to Chicago O'Hare Intl Airport from C$ 206

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 29/9. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Calgary to O'Hare Intl

Cheapest flights from Calgary to O'Hare IntlExplore 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 7 June 2026.

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 7 June 2026.

Best flights from Calgary to O'Hare IntlDiscover carefully curated flight deals from Calgary to O'Hare Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 7 June 2026.

Discover carefully curated flight deals from Calgary to O'Hare Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 7 June 2026.

Direct flights from Calgary to O'Hare IntlExplore direct flight options from Calgary to O'Hare Intl based on user searches, and compare prices and availability for your desired travel dates. Data last updated 7 June 2026.

Explore direct flight options from Calgary to O'Hare Intl based on user searches, and compare prices and availability for your desired travel dates. Data last updated 7 June 2026.

Last-minute flights from Calgary to O'Hare IntlDiscover last-minute flight deals from Calgary to O'Hare Intl. Data last updated 7 June 2026 and is based on user searches.

Discover last-minute flight deals from Calgary to O'Hare Intl. Data last updated 7 June 2026 and is based on user searches.

One-way flights from Calgary to O'Hare IntlSearch for one-way flight options from Calgary to O'Hare Intl. Find affordable one-way fares based on user searches. Data last updated 7 June 2026.

Search for one-way flight options from Calgary to O'Hare Intl. Find affordable one-way fares based on user searches. Data last updated 7 June 2026.

Find flight deals from Calgary to O'Hare Intl

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One-way from

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Use the filters below to find and compare flights from Calgary to Chicago O'Hare Intl Airport that are best for you.

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.

Cheapflights Insights

Everything you need to know about your flight from Calgary to Chicago O'Hare Intl Airport

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

What is the cheapest month to book a flight from Calgary to Chicago O'Hare Intl Airport?

What is the cheapest time of day to fly from YYC to ORD?

How much does it cost to fly round-trip from Calgary to Chicago O'Hare Intl Airport?

Weekly flight availability from Calgary to Chicago O'Hare Intl Airport

What’s the top layover airport for flights from Calgary to Chicago O'Hare Intl Airport?

What’s the cheapest layover airport for flights from Calgary to Chicago O'Hare Intl Airport?

What’s the fastest layover option from Calgary to Chicago O'Hare Intl Airport?

Which airport typically offers the quickest layover for flights from Calgary to Chicago O'Hare Intl Airport?

Reviews of airlines servicing O'Hare Intl

See what other customers who have flown with Delta,United Airlines, andWestJet from Calgary to Chicago O'Hare Intl Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

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?

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

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

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

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

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

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

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

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

What is the cheapest month to book a flight from Calgary to Chicago O'Hare Intl Airport?

Travelling to a place near Chicago O'Hare Intl Airport?

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Alternative routes for Calgary to O'Hare Intl

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Search flights from Calgary to O'Hare Intl by cabin class

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Other flights to O'Hare Intl

Explore flights to O'Hare Intl departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 7 June 2026.

Calgary and O'Hare Intl flights

Browse other Calgary and O'Hare Intl flight options. Last updated on 7 June 2026.

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Browse through other flights departing from Calgary. Flights are based on user searches made on Cheapflights and were last updated on 7 June 2026.

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Top 5 airlines flying from Calgary to O'Hare Intl

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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 7 June 2026.

Best flights from Calgary to O'Hare Intl
Discover carefully curated flight deals from Calgary to O'Hare Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 7 June 2026.

Direct flights from Calgary to O'Hare Intl
Explore direct flight options from Calgary to O'Hare Intl based on user searches, and compare prices and availability for your desired travel dates. Data last updated 7 June 2026.

Last-minute flights from Calgary to O'Hare Intl
Discover last-minute flight deals from Calgary to O'Hare Intl. Data last updated 7 June 2026 and is based on user searches.

One-way flights from Calgary to O'Hare Intl
Search for one-way flight options from Calgary to O'Hare Intl. Find affordable one-way fares based on user searches. Data last updated 7 June 2026.