Cheap flights from Calgary to Denver from C$ 138

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 6/6. Fares are subject to change and may not be available on all flights or dates of travel.
YYC — DEN
29 Jan — 5 Feb1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from Calgary to Denver Intl are usually found in July or June, booked 82 days in advance, depart on a Thursday or Tuesday and return on a Thursday

Cheap flight deals from Calgary to Denver

Enter your travel dates to find the best prices.

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 30 December 2025.

Tue 30/128:45 p.m.YYC - DEN
1 stop12h 10mAir Canada
Sun 4/13:53 p.m.DEN - YYC
1 stop8h 51mAir Canada
Deal found 28/12C$ 1,000
Mon 29/125:15 p.m.YYC - DEN
2 stops20h 52mWestJet
Fri 2/16:05 a.m.DEN - YYC
2 stops13h 10mWestJet
Deal found 28/12C$ 1,134
Mon 29/128:25 a.m.YYC - DEN
1 stop9h 43mAir Canada
Thu 1/18:05 a.m.DEN - YYC
1 stop5h 50mAir Canada
Deal found 28/12C$ 1,174
Mon 29/128:25 a.m.YYC - DEN
1 stop9h 43mAir Canada
Fri 2/17:15 p.m.DEN - YYC
Nonstop2h 38mAir Canada
Deal found 28/12C$ 1,331
Mon 29/126:30 a.m.YYC - DEN
2 stops10h 44mWestJet
Thu 1/112:20 p.m.DEN - YYC
2 stops12h 21mWestJet
Deal found 28/12C$ 1,383
Mon 29/122:13 p.m.YYC - DEN
Nonstop2h 32mUnited Airlines
Thu 1/17:15 p.m.DEN - YYC
Nonstop2h 38mUnited Airlines
Deal found 28/12C$ 1,540

Find flight deals from Calgary to Denver

Discover tips and strategies to find the most affordable flight options for your journey from Calgary (YYC) to Denver (DEN). 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 30 December 2025.

Round-trip from

C$ 253

One-way from

C$ 138

Popular in

January

Cheapest in

July

Average price

C$ 483

Good round-trip deal

C$ 544 or less

Good one-way deal

C$ 364 or less
United Airlines
  • United Airlines
  • 5/2-8/2
  • Nonstop
  • 5h 18m total
  • Calgary to Denver
WestJet
  • WestJet
  • 6/6
  • Nonstop
  • 2h 30m total
  • Calgary to Denver
Highest demand for flights based on searches. 25% potential increase in price (C$ 173 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease (C$ 23 potential savings vs. average RT price).
Average for round-trip flights in December 2025
Price to beat on a round-trip flight from Calgary to Denver Intl.
Price to beat on a one-way flight from Calgary to Denver Intl.

Cheapflights Fare Finder

 
Customize your flight search to find flights from Calgary to Denver 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 629,999 searches. Data last updated 30 December 2025.
Use the filters below to find and compare flights from Calgary to Denver that are best for you.

Fly from

Calgary

Fly to

Denver

Route

Depart

Return

Price

CalgaryDenver

YYC - DEN

YYCDEN

Calgary

Tue 27/1

6:30 a.m.-5:49 p.m.

2 stops11h 19m

Denver Intl

Tue 3/2

7:30 a.m.-7:09 p.m.

1 stop11h 39m

C$ 289

CalgaryDenver

YYC - DEN

YYCDEN

Calgary

Sat 24/1

6:30 a.m.-5:49 p.m.

2 stops11h 19m

Denver Intl

Mon 26/1

9:10 a.m.-5:04 p.m.

1 stop7h 54m

C$ 291

CalgaryDenver

YYC - DEN

YYCDEN

Calgary

Fri 10/4

6:45 a.m.-12:38 p.m.

1 stop5h 53m

Denver Intl

Tue 14/4

8:45 a.m.-3:38 p.m.

1 stop6h 53m

C$ 293

CalgaryDenver

YYC - DEN

YYCDEN

Calgary

Fri 23/1

7:50 a.m.-4:25 p.m.

2 stops8h 35m

Denver Intl

Mon 26/1

9:10 a.m.-5:04 p.m.

1 stop7h 54m

C$ 297

CalgaryDenver

YYC - DEN

YYCDEN

Calgary

Thu 5/2

6:15 a.m.-8:55 a.m.

Nonstop2h 40m

Denver Intl

Mon 9/2

7:15 p.m.-9:53 p.m.

Nonstop2h 38m

C$ 298

CalgaryDenver

YYC - DEN

YYCDEN

Calgary

Wed 4/3

8:55 a.m.-9:35 p.m.

1 stop12h 40m

Denver Intl

Tue 10/3

10:39 a.m.-8:17 p.m.

2 stops9h 38m

C$ 301

CalgaryDenver

YYC - DEN

YYCDEN

Calgary

Thu 5/3

12:40 p.m.-10:27 p.m.

1 stop9h 47m

Denver Intl

Tue 10/3

10:50 a.m.-8:45 p.m.

1 stop9h 55m

C$ 309

CalgaryDenver

YYC - DEN

YYCDEN

Calgary

Wed 4/3

6:15 a.m.-8:55 a.m.

Nonstop2h 40m

Denver Intl

Tue 10/3

8:05 a.m.-3:39 p.m.

1 stop7h 34m

C$ 339

CalgaryDenver

YYC - DEN

YYCDEN

Calgary

Sat 17/1

7:50 a.m.-7:46 p.m.

2 stops11h 56m

Denver Intl

Mon 19/1

10:48 p.m.-12:20 p.m.

1 stop13h 32m

C$ 343

CalgaryDenver

YYC - DEN

YYCDEN

Calgary

Thu 5/2

7:30 a.m.-4:56 p.m.

1 stop9h 26m

Denver Intl

Sun 8/2

6:00 a.m.-7:09 p.m.

1 stop13h 09m

C$ 345

Flights are sorted by cheapest round-trip flights first.

Deals found on 29/12

Showing 1-10 of 19 results
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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.
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 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 26 December 2025.

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 82 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, July is the cheapest month in which you can book a flight from Calgary to Denver (average of C$ 137). Flying from Calgary to Denver in January is currently the most expensive (average of C$ 375). 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 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 30 December 2025.

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 11% on airfare.

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 27 December 2025.

Travelers seeking maximum savings on their Calgary to Denver flight should consider departing on Sunday afternoons 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.

Reviews of airlines servicing Denver

Get insights into the airlines that provide service to Denver. 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 Denver. Reviews last updated 30 December 2025.
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.

Comfort

7.9

Food

7.3

Boarding

8.1

Entertainment

7.9

Overall

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Comfort

7.9

Food

7.3

Boarding

8.1

Entertainment

7.9

Overall

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Comfort

7.9

Food

7.3

Boarding

8.1

Entertainment

7.9

Overall

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Comfort

7.9

Food

7.3

Boarding

8.1

Entertainment

7.9

Overall

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Comfort

7.9

Food

7.3

Boarding

8.1

Entertainment

7.9

Overall

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

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?

    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 5 flights from Calgary to Denver Intl, all of which are around 2h 30m for a nonstop flight. You can also purchase a plane ticket from 4 airlines when you book a flight from Calgary to Denver.

  • How popular is this Calgary to Denver flight route?

  • How long is the flight from Calgary to Denver?

    There are many flights that can get you from Calgary to Denver in 2h 40m. Fly via Air Canada or United Airlines to get the fastest option. There are 1445 km between Calgary and Denver. Both multi-stop and direct flights can be found to your destination and back.

  • What are the cheapest airlines flying from Calgary to Denver round-trip?

    Currently priced at C$ 155, Air Canada will fly you from Calgary to Denver and back. In addition to Air Canada, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from WestJet and Delta - these airlines can fly you to your destination from C$ 165 and C$ 181, respectively. Users have found that Air Canada is 57% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Calgary to Denver one-way?

    C$ 126 is the cheapest one-way deal found within the past few days, from WestJet. You may also be able to find cheap deals on United Airlines and Air Canada, with prices starting from C$ 170 and C$ 174, respectively.

  • What are the most reliable airlines from Calgary to Denver?

    No one likes to see their flight delayed. When booking a flight from Calgary to Denver consider choosing Copa Airlines (95%), United Airlines (95%) or Air Canada (94%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Calgary to Denver?

    Looking for the cheapest flight from Calgary to Denver? While on average our users pay C$ 909, our data indicates the cheapest price to be C$ 219. The most popular route (Calgary - Denver Intl), is priced around C$ 283.

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

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

  • How can I find direct flights from Calgary to Denver?

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

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

    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.

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

    Currently, July is the cheapest month in which you can book a flight from Calgary to Denver (average of C$ 137). Flying from Calgary to Denver in January is currently the most expensive (average of C$ 375). 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

Travelling to a place near Denver?

Book flights to Denver if you plan to visit one of these locations
Golden
Westminster
Thornton

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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

Discover the top 4 airlines that operate flights from Calgary to Denver. 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 629,999 searches. Data last updated 30 December 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 166AverageC$ 267FlexibilityNo cancel feeOn-time60%
Search WestJet flights
DeltaCheapestC$ 181AverageC$ 329FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Air CanadaCheapestC$ 181AverageC$ 403FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 185AverageC$ 428FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

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