How many flights depart from Calgary to Denver on average per week?

46 flights are operational weekly from Calgary to Denver as of July 2025. The most popular departure day for this route is Wed, with 20% of flights per week taking off on this day.

How many flights depart from Calgary to Denver on average per day?

As of July 2025, there are 6 flights per day flying from Calgary to Denver. The most common time of day flights depart is 1:00p.m., with 45% of flights taking off at noon.

Which airlines fly to Denver?

Air Canada, WestJet and United Airlines are the top three most popular airlines that fly to Denver from Calgary according to our data. Air Canada is the first choice among our users, with 37% of people opting to fly with this airline when travelling to Denver. Keep in mind that there are 4 different airlines that fly to Denver on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Calgary to Denver Intl?

WestJet, United Airlines, and Air Canada are the most popular carriers operating from Calgary to Denver Intl

When did momondo last update prices for flights from Calgary Airport to Denver Intl Airport?

Prices for flights from Calgary Airport to Denver Intl Airport refresh daily.

How many operators does momondo search for flights from Calgary Airport to Denver Intl Airport?

There are 4 operators available for flights from Calgary Airport to Denver Intl Airport as of July 2025.

How old do you have to be to fly from Calgary Airport to Denver Intl Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Calgary Airport to Denver Intl Airport.

What documentation or ID do you need to fly to Denver Intl Airport?

The travel and health documents required for your trip to Denver Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Denver Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

C$ 118 Cheap Flights from Calgary to Denver in 2025

1 adult

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Find the cheapest flights from Calgary to Denver

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

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

2h 32mdirect

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

2h 31mdirect

C$ 222WestJet

Find Deal

Tue, 19 Aug - Thu, 21 Aug

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

2h 32mdirect

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

2h 31mdirect

C$ 224WestJet

Find Deal

Thu, 7 Aug - Thu, 14 Aug

1:25 p.m. - 7:23 p.m.YYC-DEN

5h 58m1 stop

7:05 p.m. - 12:42 a.m.DEN-YYC

5h 37m1 stop

C$ 238Air Canada

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Wed, 3 Sep - Sat, 13 Sep

6:15 a.m. - 12:38 p.m.YYC-DEN

6h 23m1 stop

8:50 a.m. - 3:22 p.m.DEN-YYC

6h 32m1 stop

C$ 241Air Canada

Find Deal

Sat, 4 Oct - Wed, 8 Oct

7:00 a.m. - 7:30 p.m.YYC-DEN

12h 30m1 stop

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

2h 31mdirect

C$ 298

Find Deal

Sun, 24 Aug - Sun, 31 Aug

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

2h 34mdirect

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

2h 31mdirect

C$ 301

Find Deal

Mon, 18 Aug - Mon, 25 Aug

8:55 a.m. - 11:24 a.m.YYC-DEN

2h 29mdirect

12:32 p.m. - 10:10 p.m.DEN-YYC

9h 38m1 stop

C$ 309Delta

Find Deal

Mon, 8 Sep - Fri, 12 Sep

12:05 p.m. - 9:44 p.m.YYC-DEN

9h 39m1 stop

12:32 p.m. - 10:10 p.m.DEN-YYC

9h 38m1 stop

C$ 316Delta

Find Deal

Mon, 8 Sep - Fri, 12 Sep

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

2h 34mdirect

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

2h 29mdirect

C$ 347United Airlines

Find Deal

Sun, 20 Jul - Sat, 9 Aug

6:15 a.m. - 8:42 a.m.YYC-DEN

2h 27mdirect

11:22 a.m. - 1:53 p.m.DEN-YYC

2h 31mdirect

C$ 365United Airlines

Find Deal

Fri, 3 Oct - Tue, 7 Oct

WestJet flights from Calgary to Denver

Our best WestJet deals on Calgary to Denver flight tickets

WestJet

19 Aug

YYC8:55 a.m.Calgary

2h 32m

DEN11:27 a.m.Denver Intl

21 Aug

DEN12:15 p.m.Denver Intl

2h 31m

YYC2:46 p.m.Calgary

C$ 222

Find similar

WestJet

7 Aug

YYC8:55 a.m.Calgary

2h 32m

DEN11:27 a.m.Denver Intl

14 Aug

DEN12:15 p.m.Denver Intl

2h 31m

YYC2:46 p.m.Calgary

C$ 224

Find similar

WestJet

8 Aug

YYC8:55 a.m.Calgary

2h 32m

DEN11:27 a.m.Denver Intl

11 Aug

DEN12:15 p.m.Denver Intl

2h 31m

YYC2:46 p.m.Calgary

C$ 235

Find similar

Air Canada flights from Calgary to Denver

Our best Air Canada deals on Calgary to Denver flight tickets

Air Canada

3 Sep

YYC1:25 p.m.Calgary

5h 58m

1 stop

DEN7:23 p.m.Denver Intl

13 Sep

DEN7:05 p.m.Denver Intl

5h 37m

1 stop

YYC12:42 a.m.Calgary

C$ 238

Find similar

Air Canada

4 Oct

YYC6:15 a.m.Calgary

6h 23m

1 stop

DEN12:38 p.m.Denver Intl

8 Oct

DEN8:50 a.m.Denver Intl

6h 32m

1 stop

YYC3:22 p.m.Calgary

C$ 241

Find similar

Air Canada

18 Aug

YYC12:00 p.m.Calgary

7h 30m

1 stop

DEN7:30 p.m.Denver Intl

25 Aug

DEN7:05 p.m.Denver Intl

5h 38m

1 stop

YYC12:43 a.m.Calgary

C$ 243

Find similar

How to get the cheapest flight ticket from Calgary to Denver

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Denver?

In general, June is the cheapest month to fly from Calgary to Denver. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 267. If you aren’t able to travel during the month of June, then book flights to Denver from Calgary during July instead. Flights to Denver in July, while not as cheap as those in June, still average around C$ 271.

What is the cheapest day to depart on your flight to Denver?

The cheapest day to depart from Calgary to Denver is on a Thursday. Travellers who choose to depart for Denver on a Thursday will often find tickets for as low as C$ 715. On the other hand, Sunday is the most expensive day to depart from Calgary because it is more convenient for both business and leisure travellers. As a result, prices tend to be around C$ 796.

What is the cheapest time of day to depart on your flight to Denver?

Our most recent data shows that the best time of day to fly to Denver is in the evening. Flights from Calgary to Denver during this time can be as low as C$ 674. Try not to purchase tickets in the morning because they tend to be around C$ 769. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Calgary to Denver Intl flight route?

Fly from Calgary to Denver Intl for the best Calgary - Denver Intl flight prices

How far in advance should I book a flight to Denver?

You are more likely to see cheaper flights to Denver from Calgary when booking weeks ahead of your departure date. In general, you can expect to find flights to Denver for around C$ 374 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Denver from Calgary for as low as C$ 260 on momondo.

What cabin class options are available on Calgary to Denver Intl flights?

There are 4 cabin classes available to choose from on Calgary to Denver Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Calgary to Denver flight prices changed over time?

As of July 2025, prices for Calgary to Denver flights are approximately 6% cheaper when compared to flights at the same time last year.

When to book flights from Calgary to Denver

Are you open to changing your travel dates? Check out the ideal times to fly from Calgary to Denver according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Calgary to Denver (YYC to DEN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Calgary to Denver

Best price found	C$ 118
Fastest flight time	2h 27m
Direct flights	Every day
Airports in Denver	1 airport

The best one-way flight to Denver from Calgary in the past 72 hours is C$ 118. The best round-trip flight deal from Calgary to Denver found on momondo in the last 72 hours is C$ 222.

The fastest flight from Calgary to Denver takes 2h 27m

Direct flights go from Calgary to Denver every day.

There is 1 airport near Denver: Denver Intl (DEN)

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How far is Calgary to Denver Intl by plane?
The distance between Calgary and Denver Intl is about 1440.3 km. Typically, this will take 2h 27m by plane in normal conditions.
When did momondo last update prices for flights from Calgary Airport to Denver Intl Airport?
Prices for flights from Calgary Airport to Denver Intl Airport refresh daily.
How many operators does momondo search for flights from Calgary Airport to Denver Intl Airport?
There are 4 operators available for flights from Calgary Airport to Denver Intl Airport as of July 2025.
How old do you have to be to fly from Calgary Airport to Denver Intl Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Calgary Airport to Denver Intl Airport.
What documentation or ID do you need to fly to Denver Intl Airport?
The travel and health documents required for your trip to Denver Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Denver Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Calgary to Denver?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Calgary to Denver is Boeing 737-800 (39.90% of total bookings). The next most popular plane models are Boeing 737-700 Passenger/BBJ1 (winglets) (20.94%), Boeing 737 MAX 8 (18.52%), and Boeing 787-9 Dreamliner (6.03%).
What is the most popular airline from Calgary to Denver?
Based on momondo bookings for flights between Calgary and Denver, the leading airline is Air Canada, making up 37% of the total bookings. Other popular airlines include WestJet with 37%, United Airlines with 24%, and Delta with 2%.

Best airlines flying from Calgary to Denver

Compare and see reviews for airlines that fly from Calgary to Denver with momondo

Airline	Rating	Free Cancellation	Price
WestJet	PriceFrom C$ 168	Free Cancellation	Rating 7.2 2,924 reviews	Search WestJet flights
Air Canada	PriceFrom C$ 183	Free Cancellation	Rating 7.1 9,692 reviews	Search Air Canada flights
United Airlines	PriceFrom C$ 187	Free Cancellation	Rating 7.4 8,846 reviews	Search United Airlines flights
Delta	PriceFrom C$ 234	Free Cancellation	Rating 8.0 7,952 reviews	Search Delta flights

Delta Flights From Calgary to Denver
Delta is one of the most popular airlines flying from Calgary to Denver, operating 6 flights/week on average for this route. A good Delta flight deal for Calgary to Denver starts from C$ 171 round-trip, up to an average price of C$ 277. Our users have rated Delta at 8.0/10.
United Airlines Flights From Calgary to Denver
United Airlines (7.4/10 from 8,846 reviews) operates around 16 flights from Calgary to Denver in any given week. The average United Airlines airfare for this route is around C$ 327, with deals from around C$ 137 rare but found on momondo. Referenced prices are for round-trip Calgary to Denver flight searches in the last 72 hours.

Silverthorne

Wheat Ridge

Winter Park

Westminster

Lakewood

Longmont

Fort Collins

Boulder

Littleton

Englewood

Frisco

Why use momondo?

Why should I use momondo to find a flight deal from Calgary to Denver?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Calgary to Denver. momondo saves you time and could save you money on your trip.

Can I find flights from Calgary to Denver with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Denver from Calgary with this policy.

How can momondo help me find flights from Calgary to Denver?

Once all potential Calgary to Denver flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Calgary to Denver right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Calgary to Denver flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.