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Cheap flights from Calgary to Denver from C$ 139

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 6/3. Fares are subject to change and may not be available on all flights or dates of travel.
YYC — DEN
13 Feb — 20 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

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 14 January 2026.

Round-trip from

C$ 273

One-way from

C$ 139

Popular in

January

Cheapest in

July

Average price

C$ 537

Good round-trip deal

C$ 576 or less

Good one-way deal

C$ 366 or less
Air Canada
  • Air Canada
  • 27/2-6/3
  • 3 total stops
  • 20h 28m total
  • Calgary to Denver
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Air Canada
  • Air Canada
  • 6/3
  • 1 total stop
  • 6h 12m total
  • Calgary to Denver
Search Deals
Highest demand for flights based on searches. 25% potential increase in price (C$ 174 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (C$ 23 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
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Price to beat on a round-trip flight from Calgary to Denver Intl.
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Price to beat on a one-way flight from Calgary to Denver Intl.
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Find 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 14 January 2026.

Fri 27/28:25 a.m.
YYC
-
DEN
2 stops9h 19m
Air Canada
Fri 6/38:05 a.m.
DEN
-
YYC
1 stop11h 09m
Air Canada
Deal found 13/1C$ 273
Mon 23/26:00 a.m.
YYC
-
DEN
1 stop6h 37m
Air Canada
Wed 25/28:05 a.m.
DEN
-
YYC
1 stop14h 39m
Air Canada
Deal found 14/1C$ 278
Sat 16/54:25 p.m.
YYC
-
DEN
1 stop6h 45m
Air Canada
Sun 31/57:50 p.m.
DEN
-
YYC
1 stop5h 51m
Air Canada
Deal found 12/1C$ 279
Thu 26/36:15 a.m.
YYC
-
DEN
Nonstop2h 40m
United Airlines
Sun 5/47:14 p.m.
DEN
-
YYC
Nonstop2h 34m
United Airlines
Deal found 13/1C$ 298
Sun 1/26:00 a.m.
YYC
-
DEN
1 stop6h 37m
Air Canada
Thu 5/28:05 a.m.
DEN
-
YYC
2 stops11h 30m
Air Canada
Deal found 14/1C$ 300
Mon 2/37:35 p.m.
YYC
-
DEN
1 stop12h 19m
Multiple Airlines
Tue 3/312:59 a.m.
DEN
-
YYC
1 stop18h 10m
Multiple Airlines
Deal found 13/1C$ 310
Mon 2/212:30 a.m.
YYC
-
DEN
1 stop11h 49m
Multiple Airlines
Wed 11/28:54 a.m.
DEN
-
YYC
1 stop13h 52m
Multiple Airlines
Deal found 14/1C$ 319
Thu 26/26:15 a.m.
YYC
-
DEN
Nonstop2h 40m
Air Canada
Thu 5/33:56 p.m.
DEN
-
YYC
1 stop6h 48m
Air Canada
Deal found 12/1C$ 323

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 14 January 2026.
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

Fri 27/2

8:25 a.m.-5:44 p.m.

2 stops9h 19m

Denver Intl

Fri 6/3

8:05 a.m.-9:29 p.m.

1 stop13h 24m

C$ 278

CalgaryDenver

YYC - DEN

YYCDEN

Calgary

Thu 26/3

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

Nonstop2h 40m

Denver Intl

Sun 5/4

7:14 p.m.-9:48 p.m.

Nonstop2h 34m

C$ 298

CalgaryDenver

YYC - DEN

YYCDEN

Calgary

Thu 26/2

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

Nonstop2h 40m

Denver Intl

Thu 5/3

3:56 p.m.-10:44 p.m.

1 stop6h 48m

C$ 323

CalgaryDenver

YYC - DEN

YYCDEN

Calgary

Sat 21/2

7:40 p.m.-9:49 a.m.

1 stop14h 09m

Denver Intl

Tue 24/2

8:54 a.m.-8:17 p.m.

2 stops11h 23m

C$ 329

CalgaryDenver

YYC - DEN

YYCDEN

Calgary

Thu 9/4

6:00 a.m.-12:38 p.m.

1 stop6h 38m

Denver Intl

Wed 15/4

8:45 a.m.-7:03 p.m.

1 stop10h 18m

C$ 332

CalgaryDenver

YYC - DEN

YYCDEN

Calgary

Mon 2/2

12:30 a.m.-12:19 p.m.

1 stop11h 49m

Denver Intl

Mon 9/2

9:10 a.m.-5:50 p.m.

1 stop8h 40m

C$ 335

CalgaryDenver

YYC - DEN

YYCDEN

Calgary

Thu 9/4

6:00 a.m.-8:36 a.m.

Nonstop2h 36m

Denver Intl

Wed 15/4

11:19 a.m.-1:53 p.m.

Nonstop2h 34m

C$ 336

CalgaryDenver

YYC - DEN

YYCDEN

Calgary

Wed 4/2

6:30 a.m.-4:41 p.m.

1 stop10h 11m

Denver Intl

Wed 11/2

6:23 p.m.-11:02 p.m.

1 stop4h 39m

C$ 337

CalgaryDenver

YYC - DEN

YYCDEN

Calgary

Mon 2/2

12:40 p.m.-10:36 p.m.

1 stop9h 56m

Denver Intl

Thu 5/2

11:17 a.m.-8:54 p.m.

1 stop9h 37m

C$ 337

CalgaryDenver

YYC - DEN

YYCDEN

Calgary

Sun 8/3

3:35 p.m.-12:18 a.m.

1 stop8h 43m

Denver Intl

Wed 11/3

10:30 p.m.-11:10 a.m.

1 stop12h 40m

C$ 337

Flights are sorted by cheapest round-trip flights first.

Deals found on 14/1

Showing 1-10 of 21 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 9 January 2026.

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$ 136). Flying from Calgary to Denver in January is currently the most expensive (average of C$ 283). 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 14 January 2026.

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 afternoon could potentially save you up to 21% 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 10 January 2026.

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 14 January 2026.
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.
Delta
7.9
Good
8,040 reviews
Check prices

Entertainment

7.8

Overall

7.9

Comfort

7.9

Crew

8.5

Boarding

8.1

Food

7.2

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.
Delta
7.9
Good
8,040 reviews
Delta
7.9
Good
8,040 reviews
Check prices

Entertainment

7.8

Overall

7.9

Comfort

7.9

Crew

8.5

Boarding

8.1

Food

7.2

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.
United Airlines
7.4
Good
9,157 reviews
Delta
7.9
Good
8,040 reviews
Check prices

Entertainment

7.8

Overall

7.9

Comfort

7.9

Crew

8.5

Boarding

8.1

Food

7.2

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.
WestJet
7.2
Good
3,240 reviews
Delta
7.9
Good
8,040 reviews
Check prices

Entertainment

7.8

Overall

7.9

Comfort

7.9

Crew

8.5

Boarding

8.1

Food

7.2

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.
Air Canada
7.1
Good
10,620 reviews
Delta
7.9
Good
8,040 reviews
Check prices

Entertainment

7.8

Overall

7.9

Comfort

7.9

Crew

8.5

Boarding

8.1

Food

7.2

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?

    This flight path from Calgary to Denver Intl was viewed by 3,041 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • 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$ 157, 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$ 167 and C$ 183, 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$ 128 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$ 173 and C$ 176, 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 United Airlines (91%), Copa Airlines (89%) or Air Canada (88%) 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$ 921, our data indicates the cheapest price to be C$ 227. The most popular route (Calgary - Denver Intl), is priced around C$ 265.

  • 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$ 136). Flying from Calgary to Denver in January is currently the most expensive (average of C$ 283). 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
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.
Edmonton to Denver flights
Calgary to Aspen flights
Calgary to Colorado Springs flights

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 14 January 2026.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 169AverageC$ 266FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air CanadaCheapestC$ 183AverageC$ 405FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
DeltaCheapestC$ 183AverageC$ 334FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapestC$ 189AverageC$ 438FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

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

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

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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.

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