HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
O'Hare Intl

$103+ Cheap flights from Calgary (YYC) to O'Hare Intl (ORD)

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 6/2. Fares are subject to change and may not be available on all flights or dates of travel.
YYC — ORD
Mar 30 — Apr 61
Sun 3/30
Sun 4/6
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Calgary to O'Hare Intl 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 Calgary to Chicago O'Hare Intl are usually found in May or February, booked 43 days in advance, depart on a Sunday or Friday and return on a Thursday

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 March 25, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$157
(Kiwi.com)

One-way from

$103
(Justfly.com)

Popular in

December

Cheapest in

May

Average price

$241

Good round-trip deal

$149 or less

Good one-way deal

$184 or less
Provider with most accurate pricing for Calgary-Chicago O'Hare Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Calgary-Chicago O'Hare Intl flights.
Search Deals
From Calgary to Chicago O'Hare Intl
Search Deals
One-way flight from Calgary to Chicago O'Hare Intl
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($64 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($15 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2025
Search Deals
Price to beat on a round-trip flight from Calgary to Chicago O'Hare Intl.
Search Deals
Price to beat on a one-way flight from Calgary to Chicago O'Hare Intl.
Search Deals

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 March 25, 2025.

This Kiwi.com deal was found by Cheapflights users on 3/24. 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 5/1112:15 pmYYC - ORD
Nonstop3h 29mWestJet
Tue 5/135:30 pmORD - YYC
Nonstop3h 49mWestJet
Deal found 3/24$157
This United Airlines deal was found by Cheapflights users on 3/23. 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 5/2312:38 pmYYC - ORD
Nonstop3h 32mUnited Airlines
Mon 5/265:02 amORD - YYC
1 stop14h 19mUnited Airlines
Deal found 3/23$213
This Mytrip deal was found by Cheapflights users on 3/24. 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 5/212:25 amYYC - ORD
1 stop9h 29mAir Canada
Fri 5/94:00 pmORD - YYC
1 stop8h 43mAir Canada
Deal found 3/24$214
This Delta deal was found by Cheapflights users on 3/24. 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.
Tue 4/158:00 amYYC - ORD
2 stops12h 31mDelta
Tue 4/2212:15 pmORD - YYC
2 stops11h 50mDelta
Deal found 3/24$218
This American Airlines deal was found by Cheapflights users on 3/24. 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.
Fri 6/66:29 amYYC - ORD
Nonstop3h 25mAmerican Airlines
Tue 6/108:25 pmORD - YYC
Nonstop4h 00mAmerican Airlines
Deal found 3/24$220
This United deal was found by Cheapflights users on 3/23. 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.
Fri 5/238:30 amYYC - ORD
Nonstop3h 33mMultiple Airlines
Mon 5/267:58 pmORD - YYC
1 stop12h 27mMultiple Airlines
Deal found 3/23$222
This Alaska Airlines deal was found by Cheapflights users on 3/24. 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.
Thu 8/146:00 amYYC - ORD
2 stops16h 39mAlaska Airlines
Mon 8/188:42 pmORD - YYC
1 stop14h 47mAlaska Airlines
Deal found 3/24$456

Cheapflights Fare Finder

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 2,558,603 searches. Data last updated March 25, 2025.
Use the filters below to find and compare flights from Calgary to Chicago O'Hare Intl Airport that are best for you.

Fly from

Calgary

Fly to

O'Hare Intl

Route

Depart

Return

Price

CalgaryChicago

YYC - ORD

YYCORD

Calgary

Sun 5/11

12:15 pm-4:44 pm

Nonstop3h 29m

Chicago O'Hare Intl

Tue 5/13

5:30 pm-8:19 pm

Nonstop3h 49m

$157

CalgaryChicago

YYC - ORD

YYCORD

Calgary

Fri 5/23

12:38 pm-5:10 pm

Nonstop3h 32m

Chicago O'Hare Intl

Mon 5/26

5:02 am-6:21 pm

1 stop14h 19m

$213

CalgaryChicago

YYC - ORD

YYCORD

Calgary

Fri 5/2

12:25 am-10:54 am

1 stop9h 29m

Chicago O'Hare Intl

Fri 5/9

4:00 pm-11:43 pm

1 stop8h 43m

$214

CalgaryChicago

YYC - ORD

YYCORD

Calgary

Tue 4/15

8:00 am-9:31 pm

2 stops12h 31m

Chicago O'Hare Intl

Tue 4/22

12:15 pm-11:05 pm

2 stops11h 50m

$218

CalgaryChicago

YYC - ORD

YYCORD

Calgary

Fri 6/6

6:29 am-10:54 am

Nonstop3h 25m

Chicago O'Hare Intl

Tue 6/10

8:25 pm-11:25 pm

Nonstop4h 00m

$220

CalgaryChicago

YYC - ORD

YYCORD

Calgary

Fri 5/23

8:30 am-1:03 pm

Nonstop3h 33m

Chicago O'Hare Intl

Mon 5/26

7:58 pm-7:25 am

1 stop12h 27m

$222

CalgaryChicago

YYC - ORD

YYCORD

Calgary

Thu 8/14

6:00 am-11:39 pm

2 stops16h 39m

Chicago O'Hare Intl

Mon 8/18

8:42 pm-10:29 am

1 stop14h 47m

$456

CalgaryChicago

YYC - ORD

YYCORD

Calgary

Mon 6/2

12:15 pm-4:44 pm

Nonstop3h 29m

$103

CalgaryChicago

YYC - ORD

YYCORD

Calgary

Sun 8/3

6:29 am-10:54 am

Nonstop3h 25m

$108

CalgaryChicago

YYC - ORD

YYCORD

Calgary

Wed 4/9

8:30 am-6:54 pm

1 stop9h 24m

$113

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/24

Showing 1-10 of 14 results
1
2

Compare providers for flights from Calgary to O'Hare Intl

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 Calgary to O'Hare Intl in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust 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 Calgary-Chicago O'Hare Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Calgary-Chicago O'Hare Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Calgary-Chicago O'Hare Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Calgary-Chicago O'Hare Intl Airport 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 Calgary-Chicago O'Hare Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

The best insider tips for Calgary to Chicago O'Hare Intl Airport flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Calgary to Chicago O'Hare Intl Airport trip
Airports
YYC

Use the LINK shuttle to move quickly between terminals at YYC, especially during peak travel times.

Read more about YYCby Jenna Scatena
ORD

For a quick city transfer, take the “L” train from ORD to downtown Chicago, avoiding traffic delays.

Read more about ORDby Ramsey Qubein
Our travel experts
Ramsey Qubein

Ramsey Qubein

Expert on ORD

Ramsey Qubein

Ramsey Qubein

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

Jenna Scatena

Jenna Scatena

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

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.

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?

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 March 21, 2025.

To ensure you get the cheapest price possible for a flight from Calgary to Chicago O'Hare Intl Airport, you should look to book at least 43 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, August is the cheapest month in which you can book a flight from Calgary to Chicago O'Hare Intl Airport (average of $245). Flying from Calgary to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $323). 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 March 25, 2025.

A simple way to save on the total cost of your ticket is to fly from Calgary to Chicago O'Hare Intl Airport in the morning. If you’re flexible enough to do this you can expect to save up to 10% on your trip compared to booking a flight in the afternoon.

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

Explore weekly flight availability from Calgary to O'Hare Intl. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated March 25, 2025.

The most flights from YYC to ORD are scheduled on a Monday (8 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (5 on average).

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 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Chicago O'Hare Intl Airport when rainfall is around 1.7 in.

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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

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 March 25, 2025.
Read through reviews of airlines operating flights from Calgary to Chicago, such as Alaska Airlines, Delta and United Airlines. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,785 reviews

Overall

8.0

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
9,785 reviews
Alaska Airlines
8.0
Very good
9,785 reviews

Overall

8.0

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,890 reviews
Alaska Airlines
8.0
Very good
9,785 reviews

Overall

8.0

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,605 reviews
Alaska Airlines
8.0
Very good
9,785 reviews

Overall

8.0

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,785 reviews

Overall

8.0

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
WestJet
7.2
Good
2,785 reviews
Alaska Airlines
8.0
Very good
9,785 reviews

Overall

8.0

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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 5.8 mi from the center of the city. Calgary is the only Calgary airport and it handles 6 outbound flights to Chicago O'Hare Intl per day. 4 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?

    Our cheapest airline available from Calgary to Chicago O'Hare Intl Airport is WestJet. Our recent data shows that you can find tickets from as low as $157 on this airline. Additional options worth looking into are United Airlines and Air Canada, starting at $213 and $214 round-trip. You may be able to fly from Calgary to Chicago O'Hare Intl Airport for 50% 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?

    $103 is the cheapest one-way deal found within the past few days, from WestJet. You may also be able to find cheap deals on American Airlines and Air Canada, with prices starting from $108 and $113, respectively.

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

    The top 3 most reliable airlines when flying from Calgary to Chicago O'Hare Intl Airport are Air Canada (89%), Emirates (89%) and United Airlines (89%).

  • 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 $414, our data indicates the cheapest price to be $109. The most popular route (Calgary - Chicago O'Hare Intl), is priced around $209.

  • 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, August is the cheapest month in which you can book a flight from Calgary to Chicago O'Hare Intl Airport (average of $245). Flying from Calgary to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $323). 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
Rosemont
Beloit
Naperville
Schaumburg
Racine
Hoffman Estates
Rockford
Tinley Park
Skokie
Kenosha
Arlington Heights
Joliet
Orland Park
Merrillville
Northbrook
Evanston
New Buffalo
Elgin
Glenview
Lake Geneva

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.
Edmonton to O'Hare Intl flights
Calgary to Midway flights
Edmonton to Midway flights
Grande Prairie to O'Hare Intl flights
Medicine Hat to O'Hare Intl flights

Top 4 airlines flying from Calgary to O'Hare Intl

Discover the top 4 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 2,558,603 searches. Data last updated March 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$129Average$468FlexibilityNo cancel feeOn-time67%
WestJetCheapest$139Average$213FlexibilityNo cancel feeOn-time60%
American AirlinesCheapest$219Average$443FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$239Average$490FlexibilityNo cancel feeOn-time69%
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.