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Cheap flights from Calgary to Denver from C$ 177

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 2/10. Fares are subject to change and may not be available on all flights or dates of travel.
YYC — DEN
8 Aug — 15 Aug1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Calgary to Denver Intl are usually found in October or July, booked 49 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 9 July 2026.

Thu 1/108:45 a.m.
YYC
-
DEN
Nonstop2h 35m
WestJet
Thu 8/1012:15 p.m.
DEN
-
YYC
Nonstop2h 30m
WestJet
Deal found 7/7C$ 302
Fri 24/712:30 p.m.
YYC
-
DEN
2 stops10h 42m
Air Canada
Mon 27/77:45 p.m.
DEN
-
YYC
1 stop5h 55m
Air Canada
Deal found 8/7C$ 305
Fri 28/88:45 a.m.
YYC
-
DEN
Nonstop2h 35m
WestJet
Mon 31/812:15 p.m.
DEN
-
YYC
Nonstop2h 30m
WestJet
Deal found 5/7C$ 306
Thu 23/74:25 p.m.
YYC
-
DEN
1 stop6h 47m
Air Canada
Mon 27/77:45 p.m.
DEN
-
YYC
1 stop5h 55m
Air Canada
Deal found 7/7C$ 312
Thu 30/76:00 a.m.
YYC
-
DEN
Nonstop2h 30m
United Airlines
Tue 4/87:16 p.m.
DEN
-
YYC
Nonstop2h 32m
United Airlines
Deal found 7/7C$ 318
Fri 21/87:45 a.m.
YYC
-
DEN
Nonstop2h 34m
Multiple Airlines
Sat 22/89:10 a.m.
DEN
-
YYC
1 stop6h 24m
Multiple Airlines
Deal found 8/7C$ 325
Wed 19/83:05 p.m.
YYC
-
DEN
1 stop8h 47m
Air Canada
Wed 26/87:45 p.m.
DEN
-
YYC
1 stop5h 55m
Air Canada
Deal found 7/7C$ 330

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 9 July 2026.

Round-trip from

C$ 302

One-way from

C$ 177

Popular in

February

Cheapest in

October

Average price

C$ 356

Good round-trip deal

C$ 576 or less

Good one-way deal

C$ 358 or less
WestJet
  • WestJet
  • 1/10-8/10
  • Nonstop
  • 5h 05m total
  • Calgary to Denver
Search Deals
WestJet
  • WestJet
  • 2/10
  • Nonstop
  • 2h 35m total
  • Calgary to Denver
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (C$ 104 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 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 9 July 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
Quickest round-trip

CalgaryDenver

YYC - DEN

YYCDEN

Calgary

Thu 30/7

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

Nonstop2h 30m

Denver Intl

Tue 4/8

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

Nonstop2h 32m

C$ 318

CalgaryDenver

YYC - DEN

YYCDEN

Calgary

Thu 27/8

8:00 a.m.-10:34 a.m.

Nonstop2h 34m

Denver Intl

Sun 6/9

7:45 p.m.-1:40 a.m.

1 stop5h 55m

C$ 335

CalgaryDenver

YYC - DEN

YYCDEN

Calgary

Fri 28/8

7:45 a.m.-10:19 a.m.

Nonstop2h 34m

Denver Intl

Tue 1/9

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

Nonstop2h 32m

C$ 354

CalgaryDenver

YYC - DEN

YYCDEN

Calgary

Wed 22/7

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

Nonstop2h 30m

Denver Intl

Tue 28/7

7:45 p.m.-1:40 a.m.

1 stop5h 55m

C$ 354

CalgaryDenver

YYC - DEN

YYCDEN

Calgary

Mon 16/11

6:00 a.m.-8:37 a.m.

Nonstop2h 37m

Denver Intl

Thu 19/11

8:15 a.m.-10:55 a.m.

2 stops26h 40m

C$ 454

CalgaryDenver

YYC - DEN

YYCDEN

Calgary

Fri 25/9

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

Nonstop2h 35m

Denver Intl

Mon 28/9

1:40 p.m.-10:15 p.m.

1 stop8h 35m

C$ 458

CalgaryDenver

YYC - DEN

YYCDEN

Calgary

Tue 18/8

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

Nonstop2h 35m

Denver Intl

Wed 26/8

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

Nonstop2h 30m

C$ 475

CalgaryDenver

YYC - DEN

YYCDEN

Calgary

Fri 28/8

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

Nonstop2h 35m

Denver Intl

Tue 1/9

12:29 p.m.-7:05 p.m.

1 stop6h 36m

C$ 502

CalgaryDenver

YYC - DEN

YYCDEN

Calgary

Wed 19/8

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

Nonstop2h 35m

Denver Intl

Sun 23/8

6:20 a.m.-1:10 p.m.

1 stop6h 50m

C$ 502

CalgaryDenver

YYC - DEN

YYCDEN

Calgary

Sat 1/8

7:15 p.m.-9:43 p.m.

Nonstop2h 28m

Denver Intl

Mon 3/8

7:45 p.m.-1:40 a.m.

1 stop5h 55m

C$ 509

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/7

Showing 1-10 of 21 resultsSorted by cheapest first
1
2
3

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?

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 48 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, October is the cheapest month in which you can book a flight from Calgary to Denver (average of C$ 336). Flying from Calgary to Denver in February is currently the most expensive (average of C$ 549). 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 9 July 2026.

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 afternoon could potentially save you up to 44% 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 4 July 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 9 July 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
7.8
Good
8,453 reviews
Check prices

Crew

8.5

Entertainment

7.8

Comfort

7.8

Boarding

8.1

Food

7.2

Overall

7.8

Reviews

1 / 20
8.0
Excellent

Rakshith,May 2026

TPE - SEA

I got middle seat, but it was cheap $340 for Taipei to PDX ,
Delta
7.8
Good
8,453 reviews
Delta
7.8
Good
8,453 reviews
Check prices

Crew

8.5

Entertainment

7.8

Comfort

7.8

Boarding

8.1

Food

7.2

Overall

7.8

Reviews

1 / 20
8.0
Excellent

Rakshith,May 2026

TPE - SEA

I got middle seat, but it was cheap $340 for Taipei to PDX ,
United Airlines
7.4
Good
9,963 reviews
Delta
7.8
Good
8,453 reviews
Check prices

Crew

8.5

Entertainment

7.8

Comfort

7.8

Boarding

8.1

Food

7.2

Overall

7.8

Reviews

1 / 20
8.0
Excellent

Rakshith,May 2026

TPE - SEA

I got middle seat, but it was cheap $340 for Taipei to PDX ,
WestJet
7.2
Good
3,404 reviews
Delta
7.8
Good
8,453 reviews
Check prices

Crew

8.5

Entertainment

7.8

Comfort

7.8

Boarding

8.1

Food

7.2

Overall

7.8

Reviews

1 / 20
8.0
Excellent

Rakshith,May 2026

TPE - SEA

I got middle seat, but it was cheap $340 for Taipei to PDX ,
Air Canada
7.1
Good
11,323 reviews
Delta
7.8
Good
8,453 reviews
Check prices

Crew

8.5

Entertainment

7.8

Comfort

7.8

Boarding

8.1

Food

7.2

Overall

7.8

Reviews

1 / 20
8.0
Excellent

Rakshith,May 2026

TPE - SEA

I got middle seat, but it was cheap $340 for Taipei to PDX ,

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 8 flights from Calgary to Denver Intl, all of which are around 2h 28m 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 1,337 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 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$ 144, 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 Air Canada - these airlines can fly you to your destination from C$ 165 and C$ 191, respectively. Users have found that Delta is 67% cheaper than the other options available to this destination.

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

    C$ 125 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$ 151 and C$ 164, 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 Delta (94%), WestJet (94%) or Aeromexico (94%) 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$ 1,007, our data indicates the cheapest price to be C$ 257. The most popular route (Calgary - Denver Intl), is priced around C$ 318.

  • 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 C$ 336). Flying from Calgary to Denver in February is currently the most expensive (average of C$ 549). 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
Thornton
Black Hawk

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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 9 July 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapestC$ 144AverageC$ 325FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
WestJetCheapestC$ 165AverageC$ 334FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air CanadaCheapestC$ 191AverageC$ 487FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 193AverageC$ 495FlexibilityNo cancel feeOn-time69%
Search United Airlines 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.

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