Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from Calgary to Denver from C$ 170

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 8/5. Fares are subject to change and may not be available on all flights or dates of travel.
YYC — DEN
14 May — 21 May1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Calgary to Denver Intl are usually found in July or August, booked 82 days in advance, depart on a Friday or Tuesday and return on a Saturday

Cheap 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 April 2026.

Fri 5/68:45 a.m.
YYC
-
DEN
Nonstop2h 35m
WestJet
Wed 10/612:15 p.m.
DEN
-
YYC
Nonstop2h 30m
WestJet
Deal found 11/4C$ 313
Sat 9/54:25 p.m.
YYC
-
DEN
1 stop6h 45m
Air Canada
Mon 11/57:50 p.m.
DEN
-
YYC
1 stop5h 51m
Air Canada
Deal found 9/4C$ 318
Fri 8/54:25 p.m.
YYC
-
DEN
1 stop6h 45m
Air Canada
Sun 10/57:50 p.m.
DEN
-
YYC
1 stop5h 51m
Air Canada
Deal found 9/4C$ 343
Thu 4/64:25 p.m.
YYC
-
DEN
1 stop6h 45m
Air Canada
Sun 7/67:50 p.m.
DEN
-
YYC
1 stop5h 51m
Air Canada
Deal found 10/4C$ 347
Mon 4/58:45 a.m.
YYC
-
DEN
Nonstop2h 35m
WestJet
Fri 8/512:15 p.m.
DEN
-
YYC
Nonstop2h 30m
WestJet
Deal found 13/4C$ 357
Wed 19/88:45 a.m.
YYC
-
DEN
Nonstop2h 35m
WestJet
Sun 23/812:15 p.m.
DEN
-
YYC
Nonstop2h 30m
WestJet
Deal found 14/4C$ 362
Tue 9/64:25 p.m.
YYC
-
DEN
1 stop6h 45m
Air Canada
Tue 16/67:50 p.m.
DEN
-
YYC
1 stop5h 51m
Air Canada
Deal found 13/4C$ 373
Fri 24/78:45 a.m.
YYC
-
DEN
Nonstop2h 35m
WestJet
Sun 26/712:15 p.m.
DEN
-
YYC
Nonstop2h 30m
WestJet
Deal found 13/4C$ 376
Thu 4/68:45 a.m.
YYC
-
DEN
Nonstop2h 35m
Multiple Airlines
Sun 7/67:50 p.m.
DEN
-
YYC
1 stop5h 51m
Multiple Airlines
Deal found 10/4C$ 378
Thu 30/412:29 p.m.
YYC
-
DEN
1 stop8h 17m
Delta
Wed 6/55:30 a.m.
DEN
-
YYC
1 stop6h 09m
Delta
Deal found 13/4C$ 379
Fri 8/511:45 a.m.
YYC
-
DEN
1 stop22h 16m
Multiple Airlines
Sun 10/512:15 p.m.
DEN
-
YYC
Nonstop2h 30m
Multiple Airlines
Deal found 9/4C$ 380

Find 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 April 2026.

Round-trip from

C$ 313

One-way from

C$ 170

Popular in

February

Cheapest in

July

Average price

C$ 412

Good round-trip deal

C$ 561 or less

Good one-way deal

C$ 310 or less
WestJet
  • WestJet
  • 5/6-10/6
  • Nonstop
  • 5h 05m total
  • Calgary to Denver
Search Deals
WestJet
  • WestJet
  • 8/5
  • Nonstop
  • 2h 35m total
  • Calgary to Denver
Search Deals
Highest demand for flights based on searches. 19% potential increase in price (C$ 130 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 17 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals
Price to beat on a round-trip flight from Calgary to Denver Intl.
Search Deals
Price to beat on a one-way flight from Calgary to Denver Intl.
Search Deals

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 April 2026.
Use the filters below to find and compare flights from Calgary to Denver that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

CalgaryDenver

YYC - DEN

YYCDEN

Calgary

Sun 3/5

6:40 a.m.-2:25 p.m.

1 stop7h 45m

Denver Intl

Wed 6/5

5:30 a.m.-11:39 a.m.

1 stop6h 09m

C$ 390

CalgaryDenver

YYC - DEN

YYCDEN

Calgary

Mon 1/6

6:00 a.m.-8:30 a.m.

Nonstop2h 30m

Denver Intl

Mon 8/6

7:16 p.m.-9:48 p.m.

Nonstop2h 32m

C$ 390

CalgaryDenver

YYC - DEN

YYCDEN

Calgary

Mon 11/5

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

1 stop5h 27m

Denver Intl

Thu 14/5

5:30 a.m.-11:37 a.m.

1 stop6h 07m

C$ 402
Quickest round-trip

CalgaryDenver

YYC - DEN

YYCDEN

Calgary

Mon 20/7

6:00 a.m.-8:30 a.m.

Nonstop2h 30m

Denver Intl

Fri 14/8

4:00 p.m.-6:30 p.m.

Nonstop2h 30m

C$ 412

CalgaryDenver

YYC - DEN

YYCDEN

Calgary

Sun 3/5

6:40 a.m.-2:25 p.m.

1 stop7h 45m

Denver Intl

Thu 7/5

5:30 a.m.-11:37 a.m.

1 stop6h 07m

C$ 431

CalgaryDenver

YYC - DEN

YYCDEN

Calgary

Tue 9/6

8:45 a.m.-11:20 a.m.

Nonstop2h 35m

Denver Intl

Tue 16/6

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

Nonstop2h 30m

C$ 465

CalgaryDenver

YYC - DEN

YYCDEN

Calgary

Thu 28/5

6:00 a.m.-8:30 a.m.

Nonstop2h 30m

Denver Intl

Mon 1/6

7:16 p.m.-9:48 p.m.

Nonstop2h 32m

C$ 478

CalgaryDenver

YYC - DEN

YYCDEN

Calgary

Wed 19/8

2:00 p.m.-10:31 p.m.

1 stop8h 31m

Denver Intl

Sun 23/8

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

Nonstop2h 30m

C$ 496

CalgaryDenver

YYC - DEN

YYCDEN

Calgary

Tue 5/5

6:40 a.m.-2:25 p.m.

1 stop7h 45m

Denver Intl

Wed 6/5

2:39 p.m.-8:40 p.m.

1 stop6h 01m

C$ 521
Cheapest one-way

CalgaryDenver

YYC - DEN

YYCDEN

Calgary

Fri 4/9

9:30 a.m.-12:04 p.m.

Nonstop2h 34m

C$ 221

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/4

Showing 1-10 of 19 resultsSorted by cheapest first
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 10 April 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, April is the cheapest month in which you can book a flight from Calgary to Denver (average of C$ 141). Flying from Calgary to Denver in February is currently the most expensive (average of C$ 386). 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 April 2026.

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 afternoon could potentially save you up to 31% 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 11 April 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.

How much does it cost to fly round-trip from Calgary to Denver?

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 April 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
8,405 reviews
Check prices

Boarding

8.1

Crew

8.5

Comfort

7.9

Food

7.2

Entertainment

7.8

Overall

7.9

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
8,405 reviews
Delta
7.9
Good
8,405 reviews
Check prices

Boarding

8.1

Crew

8.5

Comfort

7.9

Food

7.2

Entertainment

7.8

Overall

7.9

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
9,581 reviews
Delta
7.9
Good
8,405 reviews
Check prices

Boarding

8.1

Crew

8.5

Comfort

7.9

Food

7.2

Entertainment

7.8

Overall

7.9

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
3,320 reviews
Delta
7.9
Good
8,405 reviews
Check prices

Boarding

8.1

Crew

8.5

Comfort

7.9

Food

7.2

Entertainment

7.8

Overall

7.9

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
10,923 reviews
Delta
7.9
Good
8,405 reviews
Check prices

Boarding

8.1

Crew

8.5

Comfort

7.9

Food

7.2

Entertainment

7.8

Overall

7.9

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 3 flights from Calgary to Denver Intl, all of which are around 2h 29m 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 1,996 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 30m. Fly via Delta 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$ 141, Delta will fly you from Calgary to Denver and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from WestJet and United Airlines - these airlines can fly you to your destination from C$ 167 and C$ 179, respectively. Users have found that Delta is 63% 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$ 172 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 (82%), Air Canada (80%) or Copa Airlines (79%) 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$ 876, our data indicates the cheapest price to be C$ 233. The most popular route (Calgary - Denver Intl), is priced around C$ 350.

  • 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, April is the cheapest month in which you can book a flight from Calgary to Denver (average of C$ 141). Flying from Calgary to Denver in February is currently the most expensive (average of C$ 386). 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
Black Hawk

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 14 April 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapestC$ 141AverageC$ 317FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
WestJetCheapestC$ 167AverageC$ 252FlexibilityNo cancel feeOn-time60%
Search WestJet flights
United AirlinesCheapestC$ 179AverageC$ 470FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 180AverageC$ 478FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.