Cheap flights from Chicago O'Hare Intl Airport to Calgary from $61
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago O'Hare Intl Airport to Calgary departing on 6/27. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from Chicago O'Hare Intl Airport to Calgary
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
Cheap direct flights
WestJet flights from Chicago O'Hare Intl Airport to Calgary
Our best WestJet deals on Chicago O'Hare Intl Airport to Calgary flight tickets
American Airlines flights from Chicago O'Hare Intl Airport to Calgary
Our best American Airlines deals on Chicago O'Hare Intl Airport to Calgary flight tickets
See travel insights to Calgary from
How to get the cheapest flight ticket from Chicago O'Hare Intl Airport to Calgary
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Calgary?
The month of May is, on average, the cheapest month to fly to Calgary from Chicago O'Hare Intl Airport, with most prices found around $213. If you aren’t able to travel during the month of May, then book flights to Calgary from Chicago O'Hare Intl Airport during February instead. Flights to Calgary in February, while not as cheap as those in May, still average around $232.
What is the cheapest day to depart on your flight to Calgary?
The cheapest day to depart on your flight to Calgary is on a Friday when prices can be found for as low as $309. This is often the case because there is less demand to fly during this day of the week. Flights from Chicago O'Hare Intl Airport to Calgary on a Tuesday will generally be more expensive and average around $358. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.
What is the cheapest time of day to depart on your flight to Calgary?
The cheapest time of day to fly to Calgary is in the afternoon when flights can be purchased for as low as $273. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $481 on average. Flights to Calgary from Chicago O'Hare Intl Airport in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.
What is the cheapest Chicago O'Hare Intl to Calgary flight route?
Fly from Chicago O'Hare Intl to Calgary for the best Chicago O'Hare Intl - Calgary flight prices
How far in advance should I book a flight to Calgary?
You are more likely to see cheaper flights to Calgary from Chicago O'Hare Intl Airport when booking 25 weeks ahead of your departure date. In general, you can expect to find flights to Calgary for around $296 when searching 25 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Calgary from Chicago O'Hare Intl Airport for as low as $223 on momondo.
What cabin class options are available on Chicago O'Hare Intl to Calgary flights?
There are 4 cabin classes available to choose from on Chicago O'Hare Intl to Calgary flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from Chicago O'Hare Intl to Calgary?
WestJet, United Airlines, and Air Canada are the most popular carriers operating from Chicago O'Hare Intl to Calgary
What airlines fly to Calgary?
WestJet, American Airlines and United Airlines are the top three most popular airlines that fly to Calgary from Chicago O'Hare Intl Airport according to our data. WestJet is the first choice among our users, with 47% of people opting to fly with this airline when traveling to Calgary. Keep in mind that there are 5 different airlines that fly to Calgary on a routine basis, so you have a few additional options to choose from.
How many flights depart from Chicago O'Hare Intl Airport to Calgary on average per day?
12 flights are operational daily from Chicago O'Hare Intl Airport to Calgary as of June 2025. The most popular departure time for this route is 8:00PM, with 48% of flights per day taking off in the evening.
How many flights depart from Chicago O'Hare Intl Airport to Calgary on average per week?
89 flights are operational weekly from Chicago O'Hare Intl Airport to Calgary as of June 2025. The most popular departure day for this route is Mon, with 16% of flights per week taking off on this day.
When to book flights from Chicago O'Hare Intl Airport to Calgary
Cheap Chicago O'Hare Intl Airport to Calgary (ORD to YYC) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Chicago O'Hare Intl Airport to Calgary
How far is Chicago O'Hare Intl to Calgary by plane?
There are 1381.9 mi between Chicago O'Hare Intl and Calgary. By plane, this route typically takes 3h 45m.
When did momondo last update prices for flights from Chicago O'Hare Intl Airport to Calgary Airport?
Prices for flights from Chicago O'Hare Intl Airport to Calgary Airport refresh daily.
How many operators does momondo search for flights from Chicago O'Hare Intl Airport to Calgary Airport?
There are 5 operators available for flights from Chicago O'Hare Intl Airport to Calgary Airport as of June 2025.
How old do you have to be to fly from Chicago O'Hare Intl Airport to Calgary Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Chicago O'Hare Intl Airport to Calgary Airport.
What documentation or ID do you need to fly to Calgary Airport?
The travel and health documents required for your trip to Calgary Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Calgary Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Chicago O'Hare Intl Airport to Calgary?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Chicago O'Hare Intl Airport to Calgary is Boeing 737-700 (47.85% of total bookings). The next most popular plane models are Boeing 737-800 (13.62%), Airbus A319 (13.00%), and Boeing 737 MAX 8 (10.40%).
What is the most popular airline from Chicago O'Hare Intl Airport to Calgary?
Based on momondo bookings for flights between Chicago O'Hare Intl Airport and Calgary, the leading airline is WestJet, making up 43% of the total bookings. Other popular airlines include American Airlines with 20%, United Airlines with 17%, and Air Canada with 11%.
Best airlines flying from Chicago O'Hare Intl Airport to Calgary
Compare and see reviews for airlines that fly from Chicago O'Hare Intl Airport to Calgary with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $98 | Free Cancellation | Rating 7.1 9,531 reviews | |||
| PriceFrom $114 | Free Cancellation | Rating 7.4 8,790 reviews | |||
| PriceFrom $124 | Free Cancellation | Rating 8.0 7,950 reviews | |||
| PriceFrom $135 | Free Cancellation | Rating 7.2 2,868 reviews | |||
| PriceFrom $181 | Free Cancellation | Rating 7.2 10,000 reviews |
Delta Flights From Chicago O'Hare Intl Airport to Calgary
Delta is one of the most popular airlines flying from Chicago O'Hare Intl Airport to Calgary, operating 5 flights/week on average for this route. A good Delta flight deal for Chicago O'Hare Intl Airport to Calgary starts from $124 round-trip, up to an average price of $312. Our users have rated Delta at 8.0/10.
United Airlines Flights From Chicago O'Hare Intl Airport to Calgary
Another popular option for Chicago O'Hare Intl Airport to Calgary flights is United Airlines (7.4/10, 8,790 ratings). United Airlines flies from Chicago O'Hare Intl Airport to Calgary around 13 times per week, with deals starting from $114 round-trip and rising to an average price of around $441.
Traveling to a place near Calgary?
Book flights to Calgary if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Chicago to Calgary?
We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Chicago to Calgary for you.
Can I find flights from Chicago to Calgary with flexible booking policies on momondo?
Flights from Chicago to Calgary with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.
How can momondo help me find flights from Chicago to Calgary?
Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Calgary from Chicago.
I’m not ready to book a flight from Chicago to Calgary right now. Can momondo alert me if prices change?
If you are simply researching potential flights to Calgary, momondo offers a useful price alert feature which will track prices for flights to Calgary from Chicago and alert you when they change.