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

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

As of February 2026, there are 5 flights per day flying from Calgary to Denver. The most common time of day flights depart is 2:00p.m., with 56% of flights taking off in the afternoon.

Which layover airport offers the lowest fares from Calgary to Denver?

Flights via Minneapolis (MSP) offer the lowest average round-trip price of C$ 328.

Which layover airport has the shortest travel time from Calgary to Denver?

Flights connecting via Dallas (DFW) have the shortest average one-way travel time: 6h 54m.

Which airlines fly to Denver?

WestJet, United Airlines and Air Canada 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.

Which layover airport has the shortest connection time from Calgary to Denver?

Dallas (DFW) has the shortest average layover time for this route: 0h 56m.

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

35 flights are operational weekly from Calgary to Denver as of February 2026. The most popular departure day for this route is Mon, with 14% of flights per week taking off on this day.

Which airport is the most popular layover for flights between Calgary and Denver?

Minneapolis (MSP) was the most common stop: 67% of momondo users choosing one-stop flights on this route connected there.

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 February 2026.

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$ 150 Cheap Flights from Calgary to Denver in 2026

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

YYC

DEN

2h 35mdirect

10:39 a.m. - 5:25 p.m.

DEN

YYC

6h 46m

1 stop

C$ 293Multiple Airlines

Sun, 10 May - Thu, 14 May

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

YYC

DEN

2h 35mdirect

10:40 p.m. - 12:44 a.m.

DEN

YYC

26h 04m

2 stops

C$ 294Multiple Airlines

Sun, 10 May - Thu, 14 May

3:35 p.m. - 12:20 a.m.

YYC

DEN

8h 45m

1 stop

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

DEN

YYC

2h 30mdirect

C$ 301Multiple Airlines

Thu, 23 Apr - Sun, 26 Apr

7:35 p.m. - 3:45 p.m.

YYC

DEN

20h 10m

1 stop

2:30 p.m. - 11:00 p.m.

DEN

YYC

8h 30m

1 stop

C$ 309Multiple Airlines

Mon, 6 Apr - Wed, 15 Apr

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

YYC

DEN

2h 35mdirect

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

DEN

YYC

2h 30mdirect

C$ 313WestJet

Mon, 6 Jul - Fri, 10 Jul

9:30 a.m. - 9:38 p.m.

YYC

DEN

12h 08m

2 stops

6:30 a.m. - 5:25 p.m.

DEN

YYC

10h 55m

1 stop

C$ 317Multiple Airlines

Sun, 10 May - Thu, 14 May

3:00 p.m. - 11:10 p.m.

YYC

DEN

8h 10m

1 stop

7:50 p.m. - 1:41 a.m.

DEN

YYC

5h 51m

1 stop

C$ 319Air Canada

Fri, 12 Jun - Mon, 15 Jun

7:35 p.m. - 9:44 a.m.

YYC

DEN

14h 09m

1 stop

10:29 p.m. - 5:01 p.m.

DEN

YYC

18h 32m

1 stop

C$ 321Multiple Airlines

Tue, 10 Mar - Tue, 17 Mar

6:30 a.m. - 3:56 a.m.

YYC

DEN

21h 26m

2 stops

10:29 p.m. - 5:01 p.m.

DEN

YYC

18h 32m

1 stop

C$ 324Multiple Airlines

Tue, 10 Mar - Tue, 17 Mar

7:55 a.m. - 3:46 p.m.

YYC

DEN

7h 51m

1 stop

10:29 p.m. - 5:01 p.m.

DEN

YYC

18h 32m

1 stop

C$ 325Multiple Airlines

Tue, 10 Mar - Tue, 17 Mar

WestJet flights from Calgary to Denver

Our best WestJet deals on Calgary to Denver flight tickets

WestJet

6 Jul

YYC8:45 a.m.Calgary

2h 35m

DEN11:20 a.m.Denver Intl

10 Jul

DEN12:15 p.m.Denver Intl

2h 30m

YYC2:45 p.m.Calgary

C$ 313

WestJet

17 Jul

YYC8:45 a.m.Calgary

2h 35m

DEN11:20 a.m.Denver Intl

20 Jul

DEN12:15 p.m.Denver Intl

2h 30m

YYC2:45 p.m.Calgary

C$ 340

WestJet

17 Jul

YYC8:45 a.m.Calgary

2h 35m

DEN11:20 a.m.Denver Intl

22 Jul

DEN12:15 p.m.Denver Intl

2h 30m

YYC2:45 p.m.Calgary

C$ 342

Air Canada flights from Calgary to Denver

Our best Air Canada deals on Calgary to Denver flight tickets

Air Canada

12 Jun

YYC3:00 p.m.Calgary

8h 10m

1 stop

DEN11:10 p.m.Denver Intl

15 Jun

DEN7:50 p.m.Denver Intl

5h 51m

1 stop

YYC1:41 a.m.Calgary

C$ 319

Air Canada

18 Jun

YYC4:25 p.m.Calgary

6h 47m

1 stop

DEN11:12 p.m.Denver Intl

26 Jun

DEN7:50 p.m.Denver Intl

5h 50m

1 stop

YYC1:40 a.m.Calgary

C$ 327

Air Canada

18 Jun

YYC12:30 p.m.Calgary

10h 42m

2 stops

DEN11:12 p.m.Denver Intl

26 Jun

DEN7:50 p.m.Denver Intl

5h 50m

1 stop

YYC1:40 a.m.Calgary

C$ 335

Fly from

Fly to

Route

Depart

Return

Price

CalgaryDenver

YYC - DEN

YYCDEN

Calgary

Sun 10/5

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

Nonstop2h 35m

Denver Intl

Thu 14/5

10:39 a.m.-5:25 p.m.

1 stop6h 46m

C$ 293

CalgaryDenver

YYC - DEN

YYCDEN

Calgary

Sun 10/5

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

Nonstop2h 35m

Denver Intl

Thu 14/5

10:40 p.m.-12:44 a.m.

2 stops26h 04m

C$ 294

CalgaryDenver

YYC - DEN

YYCDEN

Calgary

Thu 23/4

3:35 p.m.-12:20 a.m.

1 stop8h 45m

Denver Intl

Sun 26/4

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

Nonstop2h 30m

C$ 301

CalgaryDenver

YYC - DEN

YYCDEN

Calgary

Mon 6/4

7:35 p.m.-3:45 p.m.

1 stop20h 10m

Denver Intl

Wed 15/4

2:30 p.m.-11:00 p.m.

1 stop8h 30m

C$ 309

CalgaryDenver

YYC - DEN

YYCDEN

Calgary

Mon 6/7

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

Nonstop2h 35m

Denver Intl

Fri 10/7

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

Nonstop2h 30m

C$ 313

CalgaryDenver

YYC - DEN

YYCDEN

Calgary

Sun 10/5

9:30 a.m.-9:38 p.m.

2 stops12h 08m

Denver Intl

Thu 14/5

6:30 a.m.-5:25 p.m.

1 stop10h 55m

C$ 317

CalgaryDenver

YYC - DEN

YYCDEN

Calgary

Fri 12/6

3:00 p.m.-11:10 p.m.

1 stop8h 10m

Denver Intl

Mon 15/6

7:50 p.m.-1:41 a.m.

1 stop5h 51m

C$ 319

CalgaryDenver

YYC - DEN

YYCDEN

Calgary

Tue 10/3

7:35 p.m.-9:44 a.m.

1 stop14h 09m

Denver Intl

Tue 17/3

10:29 p.m.-5:01 p.m.

1 stop18h 32m

C$ 321

CalgaryDenver

YYC - DEN

YYCDEN

Calgary

Tue 10/3

6:30 a.m.-3:56 a.m.

2 stops21h 26m

Denver Intl

Tue 17/3

10:29 p.m.-5:01 p.m.

1 stop18h 32m

C$ 324

CalgaryDenver

YYC - DEN

YYCDEN

Calgary

Tue 10/3

7:55 a.m.-3:46 p.m.

1 stop7h 51m

Denver Intl

Tue 17/3

10:29 p.m.-5:01 p.m.

1 stop18h 32m

C$ 325

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

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Other information

What is the cheapest month to fly to Denver?

In general, July 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$ 244. If you aren’t able to travel during the month of July, then book flights to Denver from Calgary during August instead. Flights to Denver in August, while not as cheap as those in July, still average around C$ 253.

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$ 627. 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$ 735.

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 afternoon. Flights from Calgary to Denver during this time can be as low as C$ 519. Try not to purchase tickets in the morning because they tend to be around C$ 690. 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$ 348 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$ 204 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.

Can stopping save me money on Calgary to Denver flights?

No. A direct flight is the cheapest option for a flight between Calgary to Denver.

How have Calgary to Denver flight prices changed over time?

As of February 2026, prices for Calgary to Denver flights are approximately 18% 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$ 300
Fastest flight time	2h 30m
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$ 300. The best round-trip flight deal from Calgary to Denver found on momondo in the last 72 hours is C$ 560.

The fastest flight from Calgary to Denver takes 2h 30m

Direct flights go from Calgary to Denver every day.

There is 1 airport in Denver. From Calgary there are direct flights to Denver Intl (DEN).

Search flight deals

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 30m 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 February 2026.
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 (25.14% of total bookings). The next most popular plane models are Boeing 737 MAX 8 (12.57%), Boeing 737-800 Passenger/BBJ2 (winglets) (12.29%), and Boeing 787-9 Dreamliner (10.75%).
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 37% of the total bookings. Other popular airlines include United Airlines with 31%, Air Canada with 30%, and Delta with 3%.

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
Delta	PriceFrom C$ 139	Free Cancellation	Rating 7.9 8,203 reviews	Search Delta flights
Air Canada	PriceFrom C$ 154	Free Cancellation	Rating 7.1 10,717 reviews	Search Air Canada flights
WestJet	PriceFrom C$ 164	Free Cancellation	Rating 7.2 3,260 reviews	Search WestJet flights
United Airlines	PriceFrom C$ 177	Free Cancellation	Rating 7.4 9,289 reviews	Search United Airlines flights

United Airlines Flights From Calgary to Denver
United Airlines is one of the most popular airlines flying from Calgary to Denver, operating 14 flights/week on average for this route. A good United Airlines flight deal for Calgary to Denver starts from C$ 177 round-trip, up to an average price of C$ 415. Our users have rated United Airlines at 7.4/10.
Air Canada Flights From Calgary to Denver
Air Canada (7.1/10 from 10,717 reviews) operates around 14 flights from Calgary to Denver in any given week. The average Air Canada airfare for this route is around C$ 391, with deals from around C$ 154 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

Lakewood

Longmont

Boulder

Englewood

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.

An easier way to manage your Denver trip

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Cheap flights from Calgary to Denver from C$ 150

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Calgary to Denver departing on 27/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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WestJet flights from Calgary to Denver

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How to get the cheapest flight ticket from Calgary to Denver

What is the cheapest month to fly to Denver?

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

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

What is the cheapest Calgary to Denver Intl flight route?

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

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

Can stopping save me money on Calgary to Denver flights?

How have Calgary to Denver flight prices changed over time?

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

Which airlines fly to Denver?

Which airport is the most popular layover for flights between Calgary and Denver?

Which layover airport offers the lowest fares from Calgary to Denver?

Which layover airport has the shortest travel time from Calgary to Denver?

Which layover airport has the shortest connection time from Calgary to Denver?

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

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

When to book flights from Calgary to Denver

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

Fastest flight time

Direct flights

Airports in Denver

Best airlines flying from Calgary to Denver

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

United Airlines Flights From Calgary to Denver

Air Canada Flights From Calgary to Denver

Travelling to a place near Denver?

Why use momondo?

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

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

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

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

An easier way to manage your Denver trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

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