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$89+ Cheap flights from Calgary (YYC) to Denver (DEN)

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 7/27. Fares are subject to change and may not be available on all flights or dates of travel.
YYC — DEN
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
1 adult, Economy
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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 Saturday 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 junio 12, 2025.

Round-trip from

$126
(Kiwi.com)

One-way from

$89
(iWofly)

Popular in

January

Cheapest in

June

Average price

$195

Good round-trip deal

$168 or less

Good one-way deal

$168 or less
From Calgary to Denver Intl
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One-way flight from Calgary to Denver Intl
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Highest demand for flights based on searches. 23% potential increase in price ($85 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($12 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 junio 12, 2025.

This Kiwi.com deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/88:55 amYYC - DEN
Nonstop2h 29mWestJet
mar. 9/1612:15 pmDEN - YYC
Nonstop2h 30mWestJet
Deal found 6/10$126
This Air Canada deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/2312:00 pmYYC - DEN
1 stop7h 23mAir Canada
dom. 9/287:05 pmDEN - YYC
1 stop5h 37mAir Canada
Deal found 6/11$149
This Flightnetwork deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 7/268:55 amYYC - DEN
Nonstop2h 32mMultiple Airlines
sáb. 8/27:00 pmDEN - YYC
1 stop5h 43mMultiple Airlines
Deal found 6/11$151
This United Airlines deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 6/126:15 amYYC - DEN
Nonstop2h 34mUnited Airlines
dom. 6/157:19 pmDEN - YYC
Nonstop2h 29mUnited Airlines
Deal found 6/9$175
This Delta deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/238:55 amYYC - DEN
Nonstop2h 29mDelta
sáb. 9/276:30 amDEN - YYC
1 stop9h 16mDelta
Deal found 6/11$209

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 2,558,603 searches. Data last updated junio 12, 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

lun. 9/8

8:55 am-11:24 am

Nonstop2h 29m

Denver Intl

mar. 9/16

12:15 pm-2:45 pm

Nonstop2h 30m

$126

CalgaryDenver

YYC - DEN

YYCDEN

Calgary

mar. 9/23

12:00 pm-7:23 pm

1 stop7h 23m

Denver Intl

dom. 9/28

7:05 pm-12:42 am

1 stop5h 37m

$149

CalgaryDenver

YYC - DEN

YYCDEN

Calgary

sáb. 7/26

8:55 am-11:27 am

Nonstop2h 32m

Denver Intl

sáb. 8/2

7:00 pm-12:43 am

1 stop5h 43m

$151

CalgaryDenver

YYC - DEN

YYCDEN

Calgary

jue. 8/7

7:30 pm-10:04 pm

Nonstop2h 34m

Denver Intl

lun. 8/11

7:19 pm-9:48 pm

Nonstop2h 29m

$181

CalgaryDenver

YYC - DEN

YYCDEN

Calgary

mar. 9/23

8:55 am-11:24 am

Nonstop2h 29m

Denver Intl

vie. 9/26

6:15 am-4:31 pm

1 stop10h 16m

$209

CalgaryDenver

YYC - DEN

YYCDEN

Calgary

dom. 7/27

8:55 am-11:27 am

Nonstop2h 32m

$89

CalgaryDenver

YYC - DEN

YYCDEN

Calgary

mié. 9/10

12:00 pm-7:23 pm

1 stop7h 23m

$98

CalgaryDenver

YYC - DEN

YYCDEN

Calgary

lun. 6/30

6:15 am-8:49 am

Nonstop2h 34m

$99

CalgaryDenver

YYC - DEN

YYCDEN

Calgary

dom. 9/21

8:55 am-11:24 am

Nonstop2h 29m

$137

CalgaryDenver

YYC - DEN

YYCDEN

Calgary

vie. 7/11

11:00 am-11:21 pm

2 stops12h 21m

$180

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Showing 1-10 of 11 results
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The best insider tips for Calgary to Denver flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Calgary to Denver trip
Airports
YYC

For public transport, use Route 300 for a rapid transit bus into downtown Calgary from YYC.

Read more about YYCby Jenna Scatena
DEN

Use the A Line train for a 37-minute ride from DEN to Denver’s Union Station, running every 15 minutes.

Read more about DENby Emily Zemler
Our travel experts
Jenna Scatena

Jenna Scatena

Expert on YYC

Jenna Scatena

Jenna Scatena

Journalist and Travel Writer, Jenna Scatena is an award-winning travel writer with a love for sharing stories and exploring new places, especially by Vespa. Though she's from San Francisco, she has spent a significant chunk of her vacation days over the last decade eating her way through Texas and sleeping in hotels around the world—especially in California, the Middle East, and Europe.

Read more
Emily Zemler

Emily Zemler

Expert on DEN

Emily Zemler

Emily Zemler

Emily is a freelance writer and book author based in London covering entertainment and travel. Her work has appeared in Los Angeles Times, Observer, and Conde Nast Traveler She has ventured to more than 40 countries and all seven continents, always in search of a great art museum. She has written extensively about hotels, luxury travel, and aviation.

Read more

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 June 9, 2025.

Booking 72 days in advance of your planned departure date is, on average, the best time to get cheap flights from Calgary to Denver. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, October is the cheapest month in which you can book a flight from Calgary to Denver (average of $197). Flying from Calgary to Denver in March is currently the most expensive (average of $278). 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 junio 12, 2025.

One of the essential ways to save on airfare from Calgary to Denver is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the evening could potentially save you up to 42% 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 June 8, 2025.

Travelers seeking maximum savings on their Calgary to Denver flight should consider departing on Thursday afternoons when fares are most often at their lowest. Tuesday 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 junio 12, 2025.

The most flights from YYC to DEN are scheduled on a Thursday (11 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (2 on average).

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 0.5 - 2.3 inches per month. May is typically the wettest month, when rainfall can reach 2.3 in. January is typically the driest time to visit Denver when rainfall is around 0.5 in.

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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

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 junio 12, 2025.
See what other customers who have flown with Alaska Airlines, Delta and United Airlines from Calgary to Denver have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Entertainment

7.1

Crew

8.5

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

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Entertainment

7.1

Crew

8.5

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
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Entertainment

7.1

Crew

8.5

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
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Entertainment

7.1

Crew

8.5

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
2,868 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Air Canada
7.1
Good
9,531 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Food

7.1

Overall

8.0

Entertainment

7.1

Crew

8.5

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?

    You will need to book a flight from Calgary to Denver Intl if you want to fly from Calgary to Denver. At least 3 different airlines have flights from Calgary (YYC) to Denver Intl (DEN) on a regular basis. There are 6 flights to Denver from the Calgary airport per day. If you manage to book one that is nonstop, then you can expect the flight time from YYC to DEN to be around 2h 29m.

  • How popular is this Calgary to Denver flight route?

    Flights from Calgary to Denver Intl have been viewed 52 times in the past calendar month.

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

    Our cheapest airline available from Calgary to Denver is WestJet. Our recent data shows that you can find tickets from as low as $126 on this airline. Additional options worth looking into are Air Canada and United Airlines, starting at $149 and $181 round-trip. WestJet is priced at 54% lower than the current average price of a flight leaving 3 months from now.

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

    The cheapest airlines for a one-way flight from Calgary to Denver are WestJet ($89), Air Canada ($98), and United Airlines ($99).

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

    Before booking your flight to Denver from Calgary, check out the most reliable airlines to get you to your destination on time: United Airlines (82%), Aeromexico (79%), Air Canada( 74%).

  • What are the cheapest flights from Calgary to Denver?

    On average you can expect to pay $613 for a flight from Calgary to Denver. The cheapest flight overall is $107 while the most popular route, (Calgary - Denver Intl) is currently priced at $144.

  • 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, October is the cheapest month in which you can book a flight from Calgary to Denver (average of $197). Flying from Calgary to Denver in March is currently the most expensive (average of $278). 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

Traveling to a place near Calgary?

Book flights to Calgary if you plan to visit one of these locations
Westminster
Black Hawk
Winter Park
Lakewood
Cripple Creek
Golden
Brighton
Silverthorne
Thornton
Frisco
Grand Lake
Broomfield
Central City
Glendale
Copper Mountain
Wheat Ridge
Longmont
Idaho Springs
Greeley
Limon

Browse thousands of different options on Cheapflights for your next trip

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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
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Calgary to Aspen flights

Top 3 airlines flying from Calgary to Denver

Discover the top 3 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 2,558,603 searches. Data last updated junio 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapest$97Average$166FlexibilityNo cancel feeOn-time60%
Air CanadaCheapest$133Average$262FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$216Average$348FlexibilityNo cancel feeOn-time69%

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