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

39 flights are operational weekly from Calgary to Denver as of July 2025. The most popular departure day for this route is Thu, with 23% 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 5 flights per day flying from Calgary to Denver. The most common time of day flights depart is 8:00a.m., with 58% of flights taking off at noon.

Which airlines fly to Denver?

WestJet, Air Canada and United Airlines are the top three most popular airlines that fly to Denver from Calgary according to our data. WestJet 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, Air Canada, and United Airlines 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$ 128 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. - 11:24 a.m.YYC-DEN

2h 29mdirect

7:40 p.m. - 10:10 p.m.DEN-YYC

2h 30mdirect

C$ 177WestJet

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Thu, 4 Sep - Sun, 7 Sep

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

2h 29mdirect

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

2h 30mdirect

C$ 194WestJet

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Sun, 7 Sep - Thu, 18 Sep

8:25 a.m. - 4:33 p.m.YYC-DEN

8h 08m1 stop

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

5h 37m1 stop

C$ 196Air Canada

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Thu, 4 Sep - Sun, 7 Sep

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

2h 29mdirect

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

2h 30mdirect

C$ 198WestJet

Find Deal

Sun, 7 Sep - Tue, 16 Sep

9:20 a.m. - 7:23 p.m.YYC-DEN

10h 03m2 stops

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

5h 37m1 stop

C$ 201Air Canada

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Thu, 4 Sep - Sun, 7 Sep

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

2h 29mdirect

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

2h 30mdirect

C$ 202WestJet

Find Deal

Thu, 4 Sep - Thu, 18 Sep

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$ 210United Airlines

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Fri, 3 Oct - Mon, 6 Oct

8:25 a.m. - 4:33 p.m.YYC-DEN

8h 08m1 stop

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

2h 30mdirect

C$ 216

Find Deal

Thu, 4 Sep - Sun, 7 Sep

1:25 p.m. - 7:30 p.m.YYC-DEN

6h 05m1 stop

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

2h 31mdirect

C$ 260

Find Deal

Fri, 8 Aug - Mon, 11 Aug

7:55 a.m. - 2:52 p.m.YYC-DEN

6h 57m1 stop

6:25 p.m. - 10:57 p.m.DEN-YYC

4h 32m1 stop

C$ 315Delta

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Sat, 30 Aug - Fri, 5 Sep

United Airlines flights from Calgary to Denver

Our best United Airlines deals on Calgary to Denver flight tickets

United Airlines

3 Oct

YYC6:15 a.m.Calgary

2h 27m

DEN8:42 a.m.Denver Intl

6 Oct

DEN11:22 a.m.Denver Intl

2h 31m

YYC1:53 p.m.Calgary

C$ 210

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United Airlines

24 Jul

YYC6:15 a.m.Calgary

2h 34m

DEN8:49 a.m.Denver Intl

29 Jul

DEN7:19 p.m.Denver Intl

2h 29m

YYC9:48 p.m.Calgary

C$ 577

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United Airlines

26 Jul

YYC6:15 a.m.Calgary

2h 34m

DEN8:49 a.m.Denver Intl

27 Jul

DEN3:52 p.m.Denver Intl

2h 29m

YYC6:21 p.m.Calgary

C$ 588

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Delta flights from Calgary to Denver

Our best Delta deals on Calgary to Denver flight tickets

Delta

30 Aug

YYC7:55 a.m.Calgary

6h 57m

1 stop

DEN2:52 p.m.Denver Intl

5 Sep

DEN6:25 p.m.Denver Intl

4h 32m

1 stop

YYC10:57 p.m.Calgary

C$ 315

Find similar

Delta

24 Jul

YYC8:55 a.m.Calgary

2h 32m

DEN11:27 a.m.Denver Intl

28 Jul

DEN11:01 a.m.Denver Intl

9h 54m

1 stop

YYC8:55 p.m.Calgary

C$ 621

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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$ 265. 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$ 297.

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$ 721. 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$ 799.

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$ 670. Try not to purchase tickets in the morning because they tend to be around C$ 771. 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$ 378 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$ 261 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 5% more expensive 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$ 128
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$ 128. The best round-trip flight deal from Calgary to Denver found on momondo in the last 72 hours is C$ 177.

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 (38.86% of total bookings). The next most popular plane models are Boeing 737 MAX 8 (20.84%), Boeing 737-700 Passenger/BBJ1 (winglets) (19.94%), and Boeing 787-9 Dreamliner (6.08%).
What is the most popular airline from Calgary to Denver?
Based on momondo bookings for flights between Calgary and Denver, the leading airline is WestJet, making up 38% of the total bookings. Other popular airlines include Air Canada with 36%, 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$ 170	Free Cancellation	Rating 7.2 2,948 reviews	Search WestJet flights
Air Canada	PriceFrom C$ 184	Free Cancellation	Rating 7.1 9,738 reviews	Search Air Canada flights
United Airlines	PriceFrom C$ 187	Free Cancellation	Rating 7.4 8,864 reviews	Search United Airlines flights
Delta	PriceFrom C$ 235	Free Cancellation	Rating 8.0 7,959 reviews	Search Delta flights

Delta Flights From Calgary to Denver
Delta is one of the most popular airlines flying from Calgary to Denver, operating 3 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$ 283. Our users have rated Delta at 8.0/10.
United Airlines Flights From Calgary to Denver
United Airlines (7.4/10 from 8,864 reviews) operates around 15 flights from Calgary to Denver in any given week. The average United Airlines airfare for this route is around C$ 325, with deals from around C$ 136 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.