Q: How much does it cost to fly round-trip from Calgary to Denver?

Airfare is below average for this route at the moment. Calgary to Denver flights typically cost between C$ 207 and C$ 417 in September. The cheapest round-trip price found within the last 3 days was C$ 172 on WestJet (19 Sep-21 Sep).

Question 1

What’s the top layover airport for flights from Calgary to Denver?

Accepted Answer

Vancouver (YVR) – chosen by Cheapflights users on 67% of one-stop itineraries from Calgary to Denver on Cheapflights.

Question 2

What’s the fastest layover option from Calgary to Denver?

Accepted Answer

Flights via Salt Lake City (SLC) have the shortest average one-way travel time for 1-stop routes: 5h 07m.

Question 3

How much does it cost to fly round-trip from Calgary to Denver?

Accepted Answer

Airfare is below average for this route at the moment.Calgary to Denver flights typically cost between C$ 207 and C$ 417 in September.
The cheapest round-trip price found within the last 3 days was C$ 172 on WestJet (19 Sep-21 Sep).

Question 4

Which airport typically offers the quickest layover for flights from Calgary to Denver?

Accepted Answer

Flights via Salt Lake City (SLC) offer the fastest connection on this route, with an average layover time of 1h 04m.

Question 5

What’s the cheapest layover airport for flights from Calgary to Denver?

Accepted Answer

Vancouver (YVR) is the most affordable 1-stop option, with an average round-trip price of C$ 511.

Question 6

How popular is this Calgary to Denver flight route?

Accepted Answer

This flight path from Calgary to Denver Intl was viewed by 4,005 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

Question 7

What is the cheapest airline to fly from Calgary to Denver round-trip?

Accepted Answer

Currently priced at C$ 172, WestJet will fly you from Calgary to Denver and back. In addition to WestJet, many other airlines offer competitively priced options for your trip. Users have found that WestJet is 52% cheaper than the other options available to this destination.

Question 8

How far ahead should I book a flight from Calgary to Denver?

Accepted Answer

The price you pay for your flight from Calgary to Denver may vary depending on when you book. For the best chance of a lower fare, look to book 83 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Question 9

What is the cheapest month to book a flight from Calgary to Denver?

Accepted Answer

Currently, August is the cheapest month in which you can book a flight from Calgary to Denver (average of C$ 320). Flying from Calgary to Denver in December is currently the most expensive (average of C$ 484). 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.

Question 10

What is the cheapest day to fly from Calgary to Denver?

Accepted Answer

Travelers seeking maximum savings on their Calgary to Denver flight should consider departing on Thursday evenings when fares are most often at their lowest. Monday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Question 11

Weekly flight availability from Calgary to Denver

Accepted Answer

The most flights from YYC to DEN are scheduled on a Monday (9 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (2 on average).

Question 12

E

Accepted Answer

In terms of precipitation, rainfall in Denver ranges from 13.0 - 58.0 mm per month. May is typically the wettest month, when rainfall can reach 58.0 mm. January is typically the driest time to visit Denver when rainfall is around 13.0 mm.

Question 13

E

Accepted Answer

If weather is an important factor for your trip to Denver, 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 -1.0 C).

Question 14

What are the cheapest flights from Calgary to Denver?

Accepted Answer

Looking for the cheapest flight from Calgary to Denver? While on average our users pay C$ 1,100, our data indicates the cheapest price to be C$ 146. The most popular route (Calgary - Denver Intl), is priced around C$ 183.

Question 15

What are the most reliable airlines from Calgary to Denver?

Accepted Answer

No one likes to see their flight delayed. When booking a flight from Calgary to Denver consider choosing Air Canada (76%), Aeromexico (75%) or United Airlines (70%) as they are the most reliable in getting you off to your destination on time.

Question 16

What are the most popular airlines that fly from Calgary to Denver?

Accepted Answer

Air Canada, Delta and United Airlines are the most popular airlines when flying from Calgary to Denver.

Question 17

What is the cheapest day to fly round-trip from Calgary to Denver?

Accepted Answer

Travellers have found that booking a Monday departure is the best way to save up to 8% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

Question 18

How far in advance should I book a flight from Calgary to Denver?

Accepted Answer

Users have found that booking a flight from Calgary to Denver at least 61 days early can save you up to 98% on average compared to booking a flight this week. If booking 61 days before your flight isn’t an option for you, users have found flights from Calgary to Denver for as little as C$ 336 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as C$ 661 for flights departing within the next 3 days.

Question 19

What is the cheapest month to fly from Calgary to Denver?

Accepted Answer

July can be a great time to fly to Denver from Calgary with a flight ticket averaging about C$ 361. Cheapflights users have found deals in the month of July for as cheap as C$ 138. The most expensive prices can be found in the month of January.

Question 20

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

Accepted Answer

One of the essential ways to save on airfare from Calgary to Denver is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the evening could potentially save you up to 16% on airfare.

Question 21

What airports do I use to fly from Calgary to Denver?

Accepted Answer

Booking a flight from Calgary (YYC) to Denver Intl (DEN) is your only option if you wish to fly from Calgary to Denver. On a typical day, there are 6 flights from Calgary to Denver Intl, all of which are around 2h 27m for a nonstop flight. You can also purchase a plane ticket from 4 airlines when you book a flight from Calgary to Denver.

Question 22

Can I find deals for flights from Calgary to Denver that include hotel bookings?

Accepted Answer

Yes. In addition to deals on Calgary to Denver flights, Cheapflights offers vacation packages that include both flights and hotel.

Question 23

How can I find direct flights from Calgary to Denver?

Accepted Answer

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

Question 24

Can I find deals for business class flights from Calgary to Denver?

Accepted Answer

Yes. Cheapflights offers flight deals from Calgary to Denver by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Question 25

How does Cheapflights help users find flights from Calgary to Denver?

Accepted Answer

Cheapflights makes it easy to find Calgary to Denver flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Question 26

Why should you use Cheapflights to find cheap flight tickets from Calgary to Denver?

Accepted Answer

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Denver from Calgary.

Question 27

Can Cheapflights find flights from Calgary to Denver with no change fees?

Accepted Answer

Yes! Cheapflights helps users easily find flights from Calgary to Denver with no change fees.

Question 28

Can Cheapflights notify me if prices for flights from Calgary to Denver become cheaper?

Accepted Answer

Of course! You can now track prices for flights from Calgary to Denver 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.

Round-trip from	C$ 172
One-way from	C$ 134
Popular in	January
Cheapest in	July
Average price	C$ 296
Good round-trip deal	C$ 540 or less
Good one-way deal	C$ 280 or less

Airline	Cheapest	Average	Flexibility	On-time
WestJet	CheapestC$ 168	AverageC$ 278	FlexibilityNo cancel fee	On-time60%	Search WestJet flights
Air Canada	CheapestC$ 180	AverageC$ 403	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
United Airlines	CheapestC$ 188	AverageC$ 438	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Delta	CheapestC$ 236	AverageC$ 389	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights

Cheap flights from Calgary to Denver from C$ 134

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 15/9. Fares are subject to change and may not be available on all flights or dates of travel.

Cheapflights Tip: The best prices from Calgary to Denver Intl are usually found in July or June, booked 83 days in advance, depart on a Tuesday or Thursday and return on a Thursday

Cheap flight deals from Calgary to Denver

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from Calgary to Denver

Cheapest flights from Calgary to DenverExplore the most affordable flight options available from Calgary to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 13 August 2025.

Explore the most affordable flight options available from Calgary to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 13 August 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Calgary to Denver that are best for you.

Best time to book a flight from Calgary to Denver

Have a flexible travel schedule? Discover the best time to fly to Denver from Calgary with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Calgary to Denver

How far ahead should I book a flight from Calgary to Denver?

Use this chart to determine the optimal time to book a round-trip flight from Calgary to Denver. Price data was last updated on 8 August 2025.

What is the cheapest month to book a flight from Calgary to Denver?

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

Find hourly flight availability from Calgary to Denver. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 13 August 2025.

What is the cheapest day to fly from Calgary to Denver?

Use this chart to determine the cheapest time to fly round-trip from Calgary to Denver. Price data was last updated on 10 August 2025.

Weekly flight availability from Calgary to Denver

Explore weekly flight availability from Calgary to Denver. 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 13 August 2025.

How much does it cost to fly round-trip from Calgary to Denver?

What’s the top layover airport for flights from Calgary to Denver?

Share of one-stop round-trip flights from Calgary to Denver chosen by Cheapflights users in the past 12 months, using the same layover each way.

What’s the cheapest layover airport for flights from Calgary to Denver?

Average round-trip fare for 1-stop flights from Calgary to Denver, chosen by Cheapflights users in the past 12 months, with the same layover each way.

What’s the fastest layover option from Calgary to Denver?

Shortest average travel time for 1-stop one-way flights from Calgary to Denver, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Which airport typically offers the quickest layover for flights from Calgary to Denver?

Average layover duration for 1-stop one-way flights from Calgary to Denver, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Reviews of airlines servicing Denver

Get a feel of what it's like to fly with Delta,United Airlines, andWestJet from Calgary to Denver by reading reviews from past customers. Users have also rated airlines 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 Denver. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airports do I use to fly from Calgary to Denver?

How popular is this Calgary to Denver flight route?

What is the cheapest airline to fly from Calgary to Denver round-trip?

What are the most reliable airlines from Calgary to Denver?

What are the cheapest flights from Calgary to Denver?

Can I find deals for flights from Calgary to Denver that include hotel bookings?

How can I find direct flights from Calgary to Denver?

Can I find deals for business class flights from Calgary to Denver?

What is the cheapest month to book a flight from Calgary to Denver?

Travelling to a place near Denver?

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 Denver

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

Top 4 airlines flying from Calgary to Denver

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 Denver?

Why should you use Cheapflights to find cheap flight tickets from Calgary to Denver?

Can Cheapflights find flights from Calgary to Denver with no change fees?

Can Cheapflights notify me if prices for flights from Calgary to Denver become cheaper?

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Calgary to Denver
Explore the most affordable flight options available from Calgary to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 13 August 2025.