£129 Cheap Flights from Calgary (YYC) to Denver (DEN)

View £129 flight on Mon, 5 Oct 2026Opens in a new window

Popular airlines from Calgary International Airport (YYC) to Denver International Airport (DEN)

Cheap Flights from Calgary (YYC) to Denver (DEN)

Prices were available within the past 7 days and start at £129 for one-way flights and £221 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Mon, 14 Sept - Mon, 21 Sept
YYC
Calgary
DEN
Denver
£221 Return, found 1 day ago
£221
Return
found 1 day ago
Select Air Canada flight, departing Mon, 14 Sept from Calgary to Denver, returning Mon, 21 Sept, priced at £221 found 1 day ago
WestJet
Sat, 18 Jul - Tue, 21 Jul
YYC
Calgary
DEN
Denver
£227 Return, found 12 hours ago
£227
Return
found 12 hours ago
Select WestJet flight, departing Sat, 18 Jul from Calgary to Denver, returning Tue, 21 Jul, priced at £227 found 12 hours ago
Air Canada
Thu, 23 Jul - Sun, 26 Jul
YYC
Calgary
DEN
Denver
£232 Return, found 1 day ago
£232
Return
found 1 day ago
Select Air Canada flight, departing Thu, 23 Jul from Calgary to Denver, returning Sun, 26 Jul, priced at £232 found 1 day ago
Air Canada
Sat, 18 Jul - Tue, 21 Jul
YYC
Calgary
DEN
Denver
£232 Return, found 12 hours ago
£232
Return
found 12 hours ago
Select Air Canada flight, departing Sat, 18 Jul from Calgary to Denver, returning Tue, 21 Jul, priced at £232 found 12 hours ago
Air Canada
Mon, 14 Sept - Mon, 21 Sept
YYC
Calgary
DEN
Denver
£236 Return, found 1 day ago
£236
Return
found 1 day ago
Select Air Canada flight, departing Mon, 14 Sept from Calgary to Denver, returning Mon, 21 Sept, priced at £236 found 1 day ago
WestJet
Thu, 6 Aug - Fri, 7 Aug
YYC
Calgary
DEN
Denver
£237 Return, found 2 days ago
£237
Return
found 2 days ago
Select WestJet flight, departing Thu, 6 Aug from Calgary to Denver, returning Fri, 7 Aug, priced at £237 found 2 days ago
Air Canada
Fri, 14 Aug - Mon, 17 Aug
YYC
Calgary
DEN
Denver
£238 Return, found 5 days ago
£238
Return
found 5 days ago
Select Air Canada flight, departing Fri, 14 Aug from Calgary to Denver, returning Mon, 17 Aug, priced at £238 found 5 days ago
WestJet
Thu, 23 Jul - Sun, 26 Jul
YYC
Calgary
DEN
Denver
£239 Return, found 1 day ago
£239
Return
found 1 day ago
Select WestJet flight, departing Thu, 23 Jul from Calgary to Denver, returning Sun, 26 Jul, priced at £239 found 1 day ago
WestJet
Sat, 18 Jul - Tue, 21 Jul
YYC
Calgary
DEN
Denver
£240 Return, found 12 hours ago
£240
Return
found 12 hours ago
Select WestJet flight, departing Sat, 18 Jul from Calgary to Denver, returning Tue, 21 Jul, priced at £240 found 12 hours ago
Alaska Airlines
Fri, 11 Sept - Fri, 18 Sept
YYC
Calgary
DEN
Denver
£386 Return, found 1 day ago
£386
Return
found 1 day ago
Select Alaska Airlines flight, departing Fri, 11 Sept from Calgary to Denver, returning Fri, 18 Sept, priced at £386 found 1 day ago

Alternative airports near Denver

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Denver Intl. DEN. Cheapest option available. Average driving time to city centre is 32 minutes. Flights from £299
DEN
Denver Intl.
Cheapest
Average driving time to city centre32 min
Flights from £299

Frequently asked questions

How much does a flight from Calgary, AB (YYC-Calgary Intl.) to Denver, CO (DEN-Denver Intl.) cost?
One-way flights typically cost between $471 and $2,258 and return flights often range between $978 and $3,512. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Anaa (AAA) to Toronto, ON (YYZ-Pearson Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Calgary, AB (YYC-Calgary Intl.) to Denver, CO (DEN-Denver Intl.)?
October is typically the cheapest month to fly from Calgary International Airport (YYC) to Denver International Airport (DEN), with average round-trip fares around 696 CAD. This is about 17% lower than the average price throughout the year. October often sees lower prices as the summer travel season has ended and before the winter holiday rush begins, leading to reduced demand. Other cheap months to fly from Calgary International Airport (YYC) to Denver International Airport (DEN) include May and September.*Averages based on flights available on Expedia in the last year.
Which airlines fly direct from Calgary, AB (YYC-Calgary Intl.) to Denver, CO (DEN-Denver Intl.)?
Enter YYC to DEN and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
How do I find cheap flights from Calgary, AB (YYC-Calgary Intl.) to Denver, CO (DEN-Denver Intl.)?
To find a cheap flight from Calgary, AB (YYC-Calgary Intl.) to Denver, CO (DEN-Denver Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Calgary, AB (YYC-Calgary Intl.) to Denver, CO (DEN-Denver Intl.)?
The best airline to fly with from Calgary, AB (YYC-Calgary Intl.) to Denver, CO (DEN-Denver Intl.) will differ from traveler to traveler. If you like to fly early, UA offers early morning flights. If price is the most important factor, WS typically offers the lowest fares. AC offers the most daily flights from Calgary, AB (YYC-Calgary Intl.) to Denver, CO (DEN-Denver Intl.), which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Calgary, AB (YYC-Calgary Intl.) to Denver, CO (DEN-Denver Intl.)?
The best time to fly from Calgary International Airport (YYC) to Denver International Airport (DEN) is October. This month offers a great balance, as it's one of the cheapest times to fly with average round-trip flights around 696 CAD, and it's also a popular travel period, meaning you'll have plenty of flight options to choose from. This information is based on booking data from the past year.*Prices based on flights available on Expedia in the last year.
How many flights per day from Calgary, AB (YYC-Calgary Intl.) to Denver, CO (DEN-Denver Intl.)?
There are approximately 3 nonstop flights per day from Calgary International (YYC) to Denver International (DEN). For even more choice, look at flights that include layovers. You'll find around 50 connecting flights per day. Some common connection points include Vancouver International (YVR), Seattle - Tacoma International (SEA), and Edmonton International (YEG).
What is the earliest flight from Calgary, AB (YYC-Calgary Intl.) to Denver, CO (DEN-Denver Intl.)?
The earliest flight from Calgary, AB (YYC-Calgary Intl.) to Denver, CO (DEN-Denver Intl.) typically departs at approximately 12:20 AM local time, operated by Air Canada. This is a seasonal service active in July, August, September, and October. An early departure like this can help you maximize your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Calgary, AB (YYC-Calgary Intl.) to Denver, CO (DEN-Denver Intl.)?
If you're flying from Calgary, AB (YYC-Calgary Intl.) to Denver, CO (DEN-Denver Intl.), you'll typically find the most flights on a Thursday, with around 38 flights available. This gives you a good selection of options for your journey. Major airlines on this route include WestJet, Air Canada, and United Airlines. Flight schedules are consistent throughout the week, so you'll find similar options on other days.
What are the most popular departure times for flights from Calgary, AB (YYC-Calgary Intl.) to Denver, CO (DEN-Denver Intl.)?
The most popular departure times for flights from Calgary International Airport (YYC) to Denver International Airport (DEN) are in the morning, from 6am to 9am. About 53% of passengers prefer this time window. Many major carriers, including United Airlines, Air Canada and Delta Air Lines, offer flights during this window. This timing works well because it allows you to get an early start on your travel day, arriving in Denver with plenty of time for activities.
How long does it take to fly from Calgary, AB (YYC-Calgary Intl.) to Denver, CO (DEN-Denver Intl.)?
Direct flights from YYC to DEN usually take about 2 hours 30 minutes, traveling roughly 900 miles. If you opt for a connecting flight, expect to add around 4 hours 30 minutes to your journey. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Calgary, AB (YYC-Calgary Intl.) to Denver, CO (DEN-Denver Intl.)?
Select the "Business class" and "First class" filters when looking for YYC to DEN flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How much is a business class flight from Calgary, AB (YYC-Calgary Intl.) to Denver, CO (DEN-Denver Intl.)?
A direct, round-trip business class ticket from Calgary, AB (YYC-Calgary Intl.) to Denver, CO (DEN-Denver Intl.) typically costs between 2,077 CAD - 3,022 CAD. A non-stop, one-way business class flight is usually around 1,106 CAD - 1,474 CAD. You may also be able to find a cheaper business class journey between Calgary, AB (YYC-Calgary Intl.) to Denver, CO (DEN-Denver Intl. Prices often fluctuate based on seasonality and how early you book. You may also be able to find a cheaper business class journey between Anaa (AAA) (AAA) to Toronto, ON (YYZ-Pearson Intl.) (YYZ) if you opt for a connecting flight.*Prices based on flights available on Expedia in the last year.
How do I earn miles on a Calgary, AB (YYC-Calgary Intl.) to Denver, CO (DEN-Denver Intl.) flight with Expedia?
It's easy to earn miles on a Calgary, AB (YYC-Calgary Intl.) to Denver, CO (DEN-Denver Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Denver from Calgary Intl. (YYC)?
If you're planning to travel to Denver from Calgary Intl. (YYC), you can fly into Denver Intl. (DEN) Some flights may connect through major hubs like Vancouver Intl. (YVR), Seattle - Tacoma Intl. (SEA), Kelowna International (YLW) before reaching Denver. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Calgary, AB (YYC-Calgary Intl.) to Denver, CO (DEN-Denver Intl.) at the last minute?
Typically, booking a last minute flight from Calgary, AB (YYC-Calgary Intl.) to Denver, CO (DEN-Denver Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Calgary, AB (YYC-Calgary Intl.) to Denver, CO (DEN-Denver Intl.) flight and hotel package?
Securing a Calgary, AB (YYC-Calgary Intl.) to Denver, CO (DEN-Denver Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Calgary, AB (YYC-Calgary Intl.) to Denver, CO (DEN-Denver Intl.)?
If you booked your Calgary, AB (YYC-Calgary Intl.) to Denver, CO (DEN-Denver Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Calgary Intl.
Destination airport
Denver Intl.
Return price
£221
Distance
1439 km
Average flight time
2 hours 33 mins

Book with confidence

Compare flights from Calgary to Denver easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Calgary to Denver. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Denver Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Calgary Intl. to Denver Intl..  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Calgary Intl. (YYC) to Denver Intl. (DEN)

The easiest way to view the best deals on flights from Calgary to Denver today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Calgary Intl. to Denver Intl. start at just £221 and range up to £386.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Calgary and Denver
  • booking your flight during September, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Calgary to Denver flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Calgary Intl. to Denver Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Compare flights from Calgary to Denver easily and book with confidence

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*Available to Expedia members.