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Cheap flights from Calgary to Denver from C$ 142

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 8/8. Fares are subject to change and may not be available on all flights or dates of travel.
YYC — DEN
1 Jul — 8 Jul1
1 adult

Cheapflights Tip: The best prices from Calgary to Denver Intl are usually found in June or July, booked 72 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 26 June 2025.

Round-trip from

C$ 211

One-way from

C$ 142

Popular in

January

Cheapest in

June

Average price

C$ 267

Good round-trip deal

C$ 519 or less

Good one-way deal

C$ 234 or less
WestJet
  • WestJet
  • 8/8-15/8
  • Nonstop
  • 5h 03m total
  • Calgary to Denver
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WestJet
  • WestJet
  • 8/8
  • Nonstop
  • 2h 32m total
  • Calgary to Denver
Search Deals
Highest demand for flights based on searches. 23% potential increase in price (C$ 160 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease (C$ 25 potential savings vs. average RT price).
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Average for round-trip flights in June 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 26 June 2025.

Fri 8/88:55 a.m.YYC - DEN
Nonstop2h 32mWestJet
Fri 15/812:15 p.m.DEN - YYC
Nonstop2h 31mWestJet
Deal found 24/6C$ 211
Fri 8/812:00 p.m.YYC - DEN
1 stop7h 30mAir Canada
Fri 15/87:05 p.m.DEN - YYC
1 stop5h 38mAir Canada
Deal found 24/6C$ 242
Sun 20/76:15 a.m.YYC - DEN
Nonstop2h 34mUnited Airlines
Mon 21/77:19 p.m.DEN - YYC
Nonstop2h 29mUnited Airlines
Deal found 24/6C$ 253
Fri 8/88:55 a.m.YYC - DEN
Nonstop2h 32mMultiple Airlines
Fri 15/87:05 p.m.DEN - YYC
1 stop5h 38mMultiple Airlines
Deal found 24/6C$ 256
Sat 27/96:35 a.m.YYC - DEN
1 stop6h 17mDelta
Tue 30/96:10 a.m.DEN - YYC
1 stop7h 33mDelta
Deal found 25/6C$ 308
Sat 27/97:00 p.m.YYC - DEN
1 stop17h 10mAlaska Airlines
Tue 30/911:40 a.m.DEN - YYC
2 stops12h 12mAlaska Airlines
Deal found 25/6C$ 502

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 26 June 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

Fri 8/8

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

Nonstop2h 32m

Denver Intl

Fri 15/8

12:15 p.m.-2:46 p.m.

Nonstop2h 31m

C$ 211

CalgaryDenver

YYC - DEN

YYCDEN

Calgary

Fri 8/8

12:00 p.m.-7:30 p.m.

1 stop7h 30m

Denver Intl

Fri 15/8

7:05 p.m.-12:43 a.m.

1 stop5h 38m

C$ 242

CalgaryDenver

YYC - DEN

YYCDEN

Calgary

Sun 20/7

6:15 a.m.-8:49 a.m.

Nonstop2h 34m

Denver Intl

Mon 21/7

7:19 p.m.-9:48 p.m.

Nonstop2h 29m

C$ 253

CalgaryDenver

YYC - DEN

YYCDEN

Calgary

Fri 8/8

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

Nonstop2h 32m

Denver Intl

Fri 15/8

7:05 p.m.-12:43 a.m.

1 stop5h 38m

C$ 256

CalgaryDenver

YYC - DEN

YYCDEN

Calgary

Sat 27/9

6:35 a.m.-12:52 p.m.

1 stop6h 17m

Denver Intl

Tue 30/9

6:10 a.m.-1:43 p.m.

1 stop7h 33m

C$ 308

CalgaryDenver

YYC - DEN

YYCDEN

Calgary

Sat 27/9

7:00 p.m.-12:10 p.m.

1 stop17h 10m

Denver Intl

Tue 30/9

11:40 a.m.-11:52 p.m.

2 stops12h 12m

C$ 502

CalgaryDenver

YYC - DEN

YYCDEN

Calgary

Fri 8/8

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

Nonstop2h 32m

C$ 142

CalgaryDenver

YYC - DEN

YYCDEN

Calgary

Wed 3/9

5:05 p.m.-7:35 p.m.

Nonstop2h 30m

C$ 157

CalgaryDenver

YYC - DEN

YYCDEN

Calgary

Tue 12/8

12:00 p.m.-7:30 p.m.

1 stop7h 30m

C$ 161

CalgaryDenver

YYC - DEN

YYCDEN

Calgary

Wed 13/8

6:00 a.m.-6:10 p.m.

2 stops12h 10m

C$ 219

Flights are sorted by cheapest round-trip flights first.

Deals found on 24/6

Showing 1-10 of 14 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 20 June 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 26 June 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 13% 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 22 June 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. Monday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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 26 June 2025.

The most flights from YYC to DEN are scheduled on a Monday (9 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (4 on average).

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 26 June 2025.
Get a feel of what it's like to fly with Alaska Airlines,Delta, andUnited Airlines 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.
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Entertainment

7.1

Boarding

8.1

Crew

8.5

Overall

8.0

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Entertainment

7.1

Boarding

8.1

Crew

8.5

Overall

8.0

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,963 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Entertainment

7.1

Boarding

8.1

Crew

8.5

Overall

8.0

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,838 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Entertainment

7.1

Boarding

8.1

Crew

8.5

Overall

8.0

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Entertainment

7.1

Boarding

8.1

Crew

8.5

Overall

8.0

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
WestJet
7.2
Good
2,893 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Entertainment

7.1

Boarding

8.1

Crew

8.5

Overall

8.0

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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 7 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 3,963 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$ 211, 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$ 242 and C$ 253, respectively. Users have found that WestJet is 43% cheaper than the other options available to this destination.

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

    C$ 142 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$ 157 and C$ 161, 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 Aeromexico (81%), United Airlines (80%) or Air Canada (78%) 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$ 1,479, our data indicates the cheapest price to be C$ 181. The most popular route (Calgary - Denver Intl), is priced around C$ 253.

  • 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 26 June 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 166AverageC$ 296FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air CanadaCheapestC$ 182AverageC$ 412FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 186AverageC$ 440FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
DeltaCheapestC$ 234AverageC$ 378FlexibilityNo 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?

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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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