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Cheap flights from Calgary to Denver from C$ 116

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 13/10. Fares are subject to change and may not be available on all flights or dates of travel.
YYC — DEN
17 Oct — 24 Oct1
1 adult
1 adult, Economy

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

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 17 September 2025.

Round-trip from

C$ 197

One-way from

C$ 116

Popular in

January

Cheapest in

July

Average price

C$ 318

Good round-trip deal

C$ 483 or less

Good one-way deal

C$ 315 or less
United Airlines
  • United Airlines
  • 11/10-12/10
  • Nonstop
  • 4h 54m total
  • Calgary to Denver
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WestJet
  • WestJet
  • 13/10
  • Nonstop
  • 2h 29m 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).
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Cheapest flight prices on average. 5% potential price decrease (C$ 26 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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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

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 17 September 2025.

Sat 11/106:15 a.m.YYC - DEN
Nonstop2h 27mUnited Airlines
Sun 12/107:21 p.m.DEN - YYC
Nonstop2h 27mUnited Airlines
Deal found 16/9C$ 197
Wed 1/107:00 a.m.YYC - DEN
1 stop5h 38mAir Canada
Fri 3/106:05 p.m.DEN - YYC
1 stop6h 37mAir Canada
Deal found 14/9C$ 202
Tue 30/98:25 a.m.YYC - DEN
1 stop8h 08mAir Canada
Fri 3/106:05 p.m.DEN - YYC
1 stop6h 37mAir Canada
Deal found 16/9C$ 215
Sat 11/106:15 a.m.YYC - DEN
Nonstop2h 27mLufthansa
Sun 12/107:21 p.m.DEN - YYC
Nonstop2h 27mLufthansa
Deal found 15/9C$ 219
Wed 15/106:10 a.m.YYC - DEN
1 stop6h 28mAir Canada
Mon 20/106:05 p.m.DEN - YYC
1 stop6h 37mAir Canada
Deal found 15/9C$ 241
Thu 18/126:10 a.m.YYC - DEN
Nonstop2h 43mUnited Airlines
Mon 29/127:15 p.m.DEN - YYC
Nonstop2h 38mUnited Airlines
Deal found 16/9C$ 243
Tue 4/112:13 p.m.YYC - DEN
Nonstop2h 32mUnited Airlines
Sun 9/117:16 p.m.DEN - YYC
Nonstop2h 37mUnited Airlines
Deal found 15/9C$ 260
Tue 21/1010:15 a.m.YYC - DEN
1 stop7h 03mAir Canada
Sat 1/118:45 a.m.DEN - YYC
1 stop6h 54mAir Canada
Deal found 15/9C$ 267
Fri 19/126:10 a.m.YYC - DEN
Nonstop2h 43mUnited Airlines
Mon 29/127:15 p.m.DEN - YYC
Nonstop2h 38mUnited Airlines
Deal found 16/9C$ 268
Sat 11/106:15 a.m.YYC - DEN
Nonstop2h 27mAir Canada
Sun 12/108:40 a.m.DEN - YYC
1 stop8h 12mAir Canada
Deal found 15/9C$ 281

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 17 September 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

Thu 18/12

6:10 a.m.-8:53 a.m.

Nonstop2h 43m

Denver Intl

Mon 29/12

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

Nonstop2h 38m

C$ 243

CalgaryDenver

YYC - DEN

YYCDEN

Calgary

Wed 24/12

2:10 p.m.-4:45 p.m.

Nonstop2h 35m

Denver Intl

Mon 29/12

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

Nonstop2h 38m

C$ 243

CalgaryDenver

YYC - DEN

YYCDEN

Calgary

Sun 23/11

6:15 a.m.-8:53 a.m.

Nonstop2h 38m

Denver Intl

Mon 1/12

7:16 p.m.-9:53 p.m.

Nonstop2h 37m

C$ 260

CalgaryDenver

YYC - DEN

YYCDEN

Calgary

Sun 23/11

2:13 p.m.-4:45 p.m.

Nonstop2h 32m

Denver Intl

Fri 28/11

7:16 p.m.-9:53 p.m.

Nonstop2h 37m

C$ 260

CalgaryDenver

YYC - DEN

YYCDEN

Calgary

Sun 21/12

6:10 a.m.-8:53 a.m.

Nonstop2h 43m

Denver Intl

Mon 29/12

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

Nonstop2h 38m

C$ 268

CalgaryDenver

YYC - DEN

YYCDEN

Calgary

Fri 24/10

7:00 a.m.-12:38 p.m.

1 stop5h 38m

Denver Intl

Sun 26/10

8:45 a.m.-7:04 p.m.

1 stop10h 19m

C$ 293

CalgaryDenver

YYC - DEN

YYCDEN

Calgary

Tue 4/11

6:45 a.m.-3:42 p.m.

1 stop8h 57m

Denver Intl

Sat 8/11

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

1 stop4h 39m

C$ 307

CalgaryDenver

YYC - DEN

YYCDEN

Calgary

Tue 4/11

7:45 a.m.-2:46 p.m.

1 stop7h 01m

Denver Intl

Tue 11/11

6:00 a.m.-1:53 p.m.

1 stop7h 53m

C$ 307

CalgaryDenver

YYC - DEN

YYCDEN

Calgary

Mon 10/11

12:41 p.m.-10:29 p.m.

1 stop9h 48m

Denver Intl

Wed 12/11

1:57 p.m.-8:53 p.m.

1 stop6h 56m

C$ 307

CalgaryDenver

YYC - DEN

YYCDEN

Calgary

Wed 5/11

6:45 a.m.-12:39 p.m.

1 stop5h 54m

Denver Intl

Sat 8/11

11:40 a.m.-8:47 p.m.

1 stop9h 07m

C$ 307

Flights are sorted by cheapest round-trip flights first.

Deals found on 16/9

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 12 September 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 83 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, 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.

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 17 September 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 16% 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 14 September 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. Sunday at noon 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 17 September 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.
Delta
8.0
Very good
7,961 reviews
Check prices

Overall

8.0

Boarding

8.2

Crew

8.5

Comfort

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others
Delta
8.0
Very good
7,961 reviews
Delta
8.0
Very good
7,961 reviews
Check prices

Overall

8.0

Boarding

8.2

Crew

8.5

Comfort

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others
United Airlines
7.4
Good
8,926 reviews
Delta
8.0
Very good
7,961 reviews
Check prices

Overall

8.0

Boarding

8.2

Crew

8.5

Comfort

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others
WestJet
7.2
Good
3,095 reviews
Delta
8.0
Very good
7,961 reviews
Check prices

Overall

8.0

Boarding

8.2

Crew

8.5

Comfort

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others
Air Canada
7.1
Good
10,000 reviews
Delta
8.0
Very good
7,961 reviews
Check prices

Overall

8.0

Boarding

8.2

Crew

8.5

Comfort

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others

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 27m 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 3,918 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 43m. Fly via United Airlines to get the fastest option. There are 1445 km between Calgary and Denver. Generally, flights for this route are direct.

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

    Currently priced at C$ 167, WestJet will fly you from Calgary to Denver and back. In addition to WestJet, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Air Canada and United Airlines - these airlines can fly you to your destination from C$ 183 and C$ 199, respectively. Users have found that WestJet is 54% cheaper than the other options available to this destination.

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

    C$ 116 is the cheapest one-way deal found within the past few days, from WestJet. You may also be able to find cheap deals on Air Canada and United Airlines, with prices starting from C$ 139 and C$ 142, 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 Air Canada (83%), United Airlines (82%) or Aeromexico (67%) 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$ 1,077, our data indicates the cheapest price to be C$ 148. The most popular route (Calgary - Denver Intl), is priced around C$ 197.

  • 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, 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.

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.
Edmonton to Denver flights
Calgary to Colorado Springs flights
Calgary to Aspen 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 17 September 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 167AverageC$ 287FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air CanadaCheapestC$ 183AverageC$ 403FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 199AverageC$ 443FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
DeltaCheapestC$ 212AverageC$ 389FlexibilityNo cancel feeOn-timeN/A
Search Delta flights

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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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