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Cheap flights from Calgary to Denver from C$ 121

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 31/7. Fares are subject to change and may not be available on all flights or dates of travel.
YYC — DEN
2 Apr — 9 Apr1
1 adult

Cheapflights Tip: The best prices from Calgary to Denver Intl are usually found in July or August, booked 72 days in advance, depart on a Tuesday or Thursday and return on a Wednesday

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 28 March 2025.

Round-trip from

C$ 194

One-way from

C$ 121

Popular in

January

Cheapest in

July

Average price

C$ 413

Good round-trip deal

C$ 440 or less

Good one-way deal

C$ 227 or less
WestJet
  • WestJet
  • 11/7-20/7
  • Nonstop
  • 5h 03m total
  • Calgary to Denver
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WestJet
  • WestJet
  • 31/7
  • Nonstop
  • 2h 32m total
  • Calgary to Denver
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Highest demand for flights based on searches. 13% potential increase in price (C$ 102 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease (C$ 21 potential savings vs. average RT price).
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Average for round-trip flights in March 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 28 March 2025.

Thu 8/58:55 a.m.YYC - DEN
Nonstop2h 32mWestJet
Mon 12/512:15 p.m.DEN - YYC
Nonstop2h 30mWestJet
Deal found 25/3C$ 192
Fri 2/51:30 p.m.YYC - DEN
Nonstop2h 36mUnited Airlines
Wed 7/511:23 a.m.DEN - YYC
Nonstop2h 30mUnited Airlines
Deal found 26/3C$ 210
Wed 25/67:30 p.m.YYC - DEN
Nonstop2h 34mAir Canada
Sun 29/67:05 p.m.DEN - YYC
1 stop14h 23mAir Canada
Deal found 26/3C$ 277
Sat 3/56:19 p.m.YYC - DEN
1 stop5h 40mMultiple Airlines
Tue 6/512:15 p.m.DEN - YYC
Nonstop2h 30mMultiple Airlines
Deal found 26/3C$ 282
Fri 2/512:25 p.m.YYC - DEN
1 stop6h 49mDelta
Mon 5/55:45 a.m.DEN - YYC
1 stop5h 50mDelta
Deal found 26/3C$ 313
Tue 1/46:45 a.m.YYC - DEN
1 stop12h 54mAmerican Airlines
Tue 8/42:45 p.m.DEN - YYC
1 stop21h 00mAmerican Airlines
Deal found 26/3C$ 426
Mon 31/36:45 a.m.YYC - DEN
1 stop17h 14mBritish Airways
Mon 7/46:40 p.m.DEN - YYC
1 stop17h 05mBritish Airways
Deal found 26/3C$ 450
Sat 8/116:55 p.m.YYC - DEN
2 stops15h 37mAlaska Airlines
Wed 12/116:59 p.m.DEN - YYC
2 stops15h 38mAlaska Airlines
Deal found 25/3C$ 457

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 28 March 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 8/5

8:55 a.m.-11:27 a.m.

Nonstop2h 32m

Denver Intl

Mon 12/5

12:15 p.m.-2:45 p.m.

Nonstop2h 30m

C$ 192

CalgaryDenver

YYC - DEN

YYCDEN

Calgary

Fri 2/5

1:30 p.m.-4:06 p.m.

Nonstop2h 36m

Denver Intl

Wed 7/5

11:23 a.m.-1:53 p.m.

Nonstop2h 30m

C$ 210

CalgaryDenver

YYC - DEN

YYCDEN

Calgary

Wed 25/6

7:30 p.m.-10:04 p.m.

Nonstop2h 34m

Denver Intl

Sun 29/6

7:05 p.m.-9:28 a.m.

1 stop14h 23m

C$ 277

CalgaryDenver

YYC - DEN

YYCDEN

Calgary

Sat 3/5

6:19 p.m.-11:59 p.m.

1 stop5h 40m

Denver Intl

Tue 6/5

12:15 p.m.-2:45 p.m.

Nonstop2h 30m

C$ 282

CalgaryDenver

YYC - DEN

YYCDEN

Calgary

Fri 2/5

12:25 p.m.-7:14 p.m.

1 stop6h 49m

Denver Intl

Wed 7/5

11:13 a.m.-8:40 p.m.

1 stop9h 27m

C$ 313

CalgaryDenver

YYC - DEN

YYCDEN

Calgary

Tue 1/4

6:45 a.m.-7:39 p.m.

1 stop12h 54m

Denver Intl

Tue 8/4

2:45 p.m.-11:45 a.m.

1 stop21h 00m

C$ 426

CalgaryDenver

YYC - DEN

YYCDEN

Calgary

Mon 31/3

6:45 a.m.-11:59 p.m.

1 stop17h 14m

Denver Intl

Mon 7/4

6:40 p.m.-11:45 a.m.

1 stop17h 05m

C$ 450

CalgaryDenver

YYC - DEN

YYCDEN

Calgary

Sat 3/5

6:19 p.m.-11:59 p.m.

1 stop5h 40m

Denver Intl

Tue 6/5

8:20 a.m.-5:29 p.m.

2 stops9h 09m

C$ 490

CalgaryDenver

YYC - DEN

YYCDEN

Calgary

Tue 13/5

8:55 a.m.-11:27 a.m.

Nonstop2h 32m

C$ 121

CalgaryDenver

YYC - DEN

YYCDEN

Calgary

Wed 14/5

1:20 p.m.-7:23 p.m.

1 stop6h 03m

C$ 160

Flights are sorted by cheapest round-trip flights first.

Deals found on 27/3

Showing 1-10 of 16 results
1
2

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 21 March 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 72 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 28 March 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 7% 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 23 March 2025.

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

Rainfall in Denver by month

Plan your trip to Denver by taking into account the average rainfall totals by month.

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.

Temperature in Denver by month

Plan your trip to Denver by taking into account the average temperature totals by month.

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).

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 28 March 2025.
See what other customers who have flown with Alaska Airlines, Delta and United Airlines from Calgary to Denver have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,798 reviews
Check prices

Entertainment

7.1

Overall

8.0

Food

7.1

Comfort

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
9,798 reviews
Alaska Airlines
8.0
Very good
9,798 reviews
Check prices

Entertainment

7.1

Overall

8.0

Food

7.1

Comfort

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,896 reviews
Alaska Airlines
8.0
Very good
9,798 reviews
Check prices

Entertainment

7.1

Overall

8.0

Food

7.1

Comfort

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,603 reviews
Alaska Airlines
8.0
Very good
9,798 reviews
Check prices

Entertainment

7.1

Overall

8.0

Food

7.1

Comfort

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,798 reviews
Check prices

Entertainment

7.1

Overall

8.0

Food

7.1

Comfort

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
WestJet
7.2
Good
2,785 reviews
Alaska Airlines
8.0
Very good
9,798 reviews
Check prices

Entertainment

7.1

Overall

8.0

Food

7.1

Comfort

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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 3 flights from Calgary to Denver Intl, all of which are around 2h 32m 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 3,850 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    Currently priced at C$ 194, 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$ 243 and C$ 276, respectively. Users have found that WestJet is 56% cheaper than the other options available to this destination.

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

    C$ 121 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 Delta, with prices starting from C$ 137 and C$ 193, 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 (82%), United Airlines (82%) or Copa Airlines (70%) 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$ 2,288, our data indicates the cheapest price to be C$ 177. The most popular route (Calgary - Denver Intl), is priced around C$ 210.

  • 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 Calgary?

Book flights to Calgary 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 28 March 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 192AverageC$ 359FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air CanadaCheapestC$ 209AverageC$ 471FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 267AverageC$ 489FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
DeltaCheapestC$ 269AverageC$ 396FlexibilityNo cancel feeOn-timeN/A
Search Delta flights

Fly with Cheapflights

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

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.

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

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.

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

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

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

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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