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Cheap flights from Calgary to Denver from C$ 174

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Calgary to Denver

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
6:50 a.m. - 4:58 p.m.YYC  Calgary-DEN Denver Intl
10h 08m1 stop Vancouver Intl
Air Canada Logo
9:10 a.m. - 3:29 p.m.DEN  Denver Intl-YYC Calgary
6h 19m1 stop Vancouver Intl
C$ 292Air Canada
Thu, 1 Oct - Sun, 4 Oct
Multiple Airlines Logo
6:00 a.m. - 8:34 a.m.YYC  Calgary-DEN Denver Intl
2h 34mdirect
Multiple Airlines Logo
7:50 p.m. - 1:44 a.m.DEN  Denver Intl-YYC Calgary
5h 54m1 stop Vancouver Intl
C$ 293Multiple Airlines
Wed, 7 Oct - Fri, 9 Oct
Multiple Airlines Logo
6:00 a.m. - 8:34 a.m.YYC  Calgary-DEN Denver Intl
2h 34mdirect
Multiple Airlines Logo
7:50 p.m. - 1:44 a.m.DEN  Denver Intl-YYC Calgary
5h 54m1 stop Vancouver Intl
C$ 293Multiple Airlines
Thu, 8 Oct - Mon, 12 Oct
Air Canada Logo
4:25 p.m. - 11:08 p.m.YYC  Calgary-DEN Denver Intl
6h 43m1 stop Vancouver Intl
Air Canada Logo
7:50 p.m. - 1:44 a.m.DEN  Denver Intl-YYC Calgary
5h 54m1 stop Vancouver Intl
C$ 298Air Canada
Wed, 21 Oct - Sat, 24 Oct
United Airlines Logo
6:00 a.m. - 8:34 a.m.YYC  Calgary-DEN Denver Intl
2h 34mdirect
United Airlines Logo
7:16 p.m. - 9:48 p.m.DEN  Denver Intl-YYC Calgary
2h 32mdirect
C$ 312United Airlines
Thu, 1 Oct - Sun, 4 Oct
United Airlines Logo
7:00 a.m. - 7:37 a.m.YYC  Calgary-DEN Denver Intl
1h 37mdirect
United Airlines Logo
11:39 a.m. - 4:21 p.m.DEN  Denver Intl-YYC Calgary
3h 42mdirect
C$ 314United Airlines
Sun, 1 Nov - Mon, 9 Nov
WestJet Logo
8:45 a.m. - 11:20 a.m.YYC  Calgary-DEN Denver Intl
2h 35mdirect
WestJet Logo
12:15 p.m. - 2:45 p.m.DEN  Denver Intl-YYC Calgary
2h 30mdirect
C$ 316WestJet
Thu, 1 Oct - Fri, 2 Oct
Delta Logo
8:45 a.m. - 2:49 p.m.YYC  Calgary-DEN Denver Intl
7h 04m1 stop Minneapolis St Paul
Delta Logo
11:07 a.m. - 10:40 p.m.DEN  Denver Intl-YYC Calgary
10h 33m1 stop Minneapolis St Paul
C$ 322Delta
Tue, 3 Nov - Thu, 5 Nov
Delta Logo
2:15 p.m. - 11:35 p.m.YYC  Calgary-DEN Denver Intl
9h 20m1 stop Minneapolis St Paul
Delta Logo
5:25 a.m. - 11:43 a.m.DEN  Denver Intl-YYC Calgary
6h 18m1 stop Salt Lake City
C$ 351Delta
Thu, 1 Oct - Thu, 8 Oct
WestJet Logo
8:45 a.m. - 11:20 a.m.YYC  Calgary-DEN Denver Intl
2h 35mdirect
WestJet Logo
1:40 p.m. - 10:15 p.m.DEN  Denver Intl-YYC Calgary
8h 35m1 stop Seattle/Tacoma Intl
C$ 444WestJet
Thu, 1 Oct - Fri, 2 Oct

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Air Canada flights from Calgary to Denver

Our best Air Canada deals on Calgary to Denver flight tickets
Air Canada
1 Oct
YYC6:50 a.m.Calgary
10h 08m
1 stop
DEN4:58 p.m.Denver Intl
4 Oct
DEN9:10 a.m.Denver Intl
6h 19m
1 stop
YYC3:29 p.m.Calgary
C$ 292
Air Canada
21 Oct
YYC4:25 p.m.Calgary
6h 43m
1 stop
DEN11:08 p.m.Denver Intl
24 Oct
DEN7:50 p.m.Denver Intl
5h 54m
1 stop
YYC1:44 a.m.Calgary
C$ 298
Air Canada
7 Oct
YYC6:00 a.m.Calgary
10h 58m
1 stop
DEN4:58 p.m.Denver Intl
9 Oct
DEN7:50 p.m.Denver Intl
5h 54m
1 stop
YYC1:44 a.m.Calgary
C$ 325

WestJet flights from Calgary to Denver

Our best WestJet deals on Calgary to Denver flight tickets
WestJet
1 Oct
YYC8:45 a.m.Calgary
2h 35m
DEN11:20 a.m.Denver Intl
2 Oct
DEN12:15 p.m.Denver Intl
2h 30m
YYC2:45 p.m.Calgary
C$ 316
WestJet
11 Sep
YYC8:45 a.m.Calgary
2h 35m
DEN11:20 a.m.Denver Intl
15 Sep
DEN1:40 p.m.Denver Intl
8h 35m
1 stop
YYC10:15 p.m.Calgary
C$ 759
WestJet
11 Sep
YYC8:45 a.m.Calgary
2h 35m
DEN11:20 a.m.Denver Intl
15 Sep
DEN1:40 p.m.Denver Intl
8h 35m
1 stop
YYC10:15 p.m.Calgary
C$ 763

momondo Fare Finder

 
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 Calgary - DEN Denver Intl

YYCDEN

Calgary

Thu 1/10

6:50 a.m.-4:58 p.m.

1 stop10h 08m

Denver Intl

Sun 4/10

9:10 a.m.-3:29 p.m.

1 stop6h 19m

C$ 292

CalgaryDenver

YYC Calgary - DEN Denver Intl

YYCDEN

Calgary

Wed 7/10

6:00 a.m.-8:34 a.m.

Nonstop2h 34m

Denver Intl

Fri 9/10

7:50 p.m.-1:44 a.m.

1 stop5h 54m

C$ 293

CalgaryDenver

YYC Calgary - DEN Denver Intl

YYCDEN

Calgary

Thu 8/10

6:00 a.m.-8:34 a.m.

Nonstop2h 34m

Denver Intl

Mon 12/10

7:50 p.m.-1:44 a.m.

1 stop5h 54m

C$ 293

CalgaryDenver

YYC Calgary - DEN Denver Intl

YYCDEN

Calgary

Wed 21/10

4:25 p.m.-11:08 p.m.

1 stop6h 43m

Denver Intl

Sat 24/10

7:50 p.m.-1:44 a.m.

1 stop5h 54m

C$ 298

CalgaryDenver

YYC Calgary - DEN Denver Intl

YYCDEN

Calgary

Thu 1/10

6:00 a.m.-8:34 a.m.

Nonstop2h 34m

Denver Intl

Sun 4/10

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

Nonstop2h 32m

C$ 312

CalgaryDenver

YYC Calgary - DEN Denver Intl

YYCDEN

Calgary

Sun 1/11

7:00 a.m.-7:37 a.m.

Nonstop1h 37m

Denver Intl

Mon 9/11

11:39 a.m.-4:21 p.m.

Nonstop3h 42m

C$ 314
Quickest round-trip

CalgaryDenver

YYC Calgary - DEN Denver Intl

YYCDEN

Calgary

Thu 1/10

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

Nonstop2h 35m

Denver Intl

Fri 2/10

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

Nonstop2h 30m

C$ 316

CalgaryDenver

YYC Calgary - DEN Denver Intl

YYCDEN

Calgary

Tue 3/11

8:45 a.m.-2:49 p.m.

1 stop7h 04m

Denver Intl

Thu 5/11

11:07 a.m.-10:40 p.m.

1 stop10h 33m

C$ 322

CalgaryDenver

YYC Calgary - DEN Denver Intl

YYCDEN

Calgary

Thu 1/10

2:15 p.m.-11:35 p.m.

1 stop9h 20m

Denver Intl

Thu 8/10

5:25 a.m.-11:43 a.m.

1 stop6h 18m

C$ 351

CalgaryDenver

YYC Calgary - DEN Denver Intl

YYCDEN

Calgary

Thu 1/10

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

Nonstop2h 35m

Denver Intl

Fri 2/10

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

1 stop8h 35m

C$ 444

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Denver from

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

What is the typical price of a round-trip flight between Calgary and Denver?

Prices are currently low for flights on this route.

Typical prices usually range from C$ 327 to C$ 575.
The lowest price recently found on this route was C$ 292.

What is the cheapest month to fly to Denver?

In general, October 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$ 370. If you aren’t able to travel during the month of October, then book flights to Denver from Calgary during August instead. Flights to Denver in August, while not as cheap as those in October, still average around C$ 392.

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

The cheapest day to depart from Calgary to Denver is on a Tuesday. Travellers who choose to depart for Denver on a Tuesday will often find tickets for as low as C$ 675. On the other hand, Monday 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$ 802.

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$ 651. Try not to purchase tickets in the morning because they tend to be around C$ 725. 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 from Calgary 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$ 461 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$ 391 on momondo.

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

There are 4 cabin classes available to choose from on Calgary to Denver 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 September 2026, prices for Calgary to Denver flights are approximately 7% 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$ 174

Fastest flight time

1h 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$ 174. The best round-trip flight deal from Calgary to Denver found on momondo in the last 72 hours is C$ 292.
The fastest flight from Calgary to Denver takes 1h 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

Frequently asked questions about flying from Calgary to Denver

  • 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 1h 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?

  • 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?

  • What is the most popular airline from Calgary to Denver?

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
DeltaPriceFrom C$ 141Free CancellationRating
7.8
8,571 reviews
Search Delta flights
Air CanadaPriceFrom C$ 187Free CancellationRating
7.1
11,583 reviews
Search Air Canada flights
United AirlinesPriceFrom C$ 188Free CancellationRating
7.4
10,172 reviews
Search United Airlines flights
WestJetPriceFrom C$ 230Free CancellationRating
7.2
3,444 reviews
Search WestJet flights

  • Delta Flights From Calgary to Denver

    Delta is one of the most popular airlines flying from Calgary to Denver, operating 5 flights/week on average for this route. A good Delta flight deal for Calgary to Denver starts from C$ 141 round-trip, up to an average price of C$ 252. Our users have rated Delta at 7.8/10.

  • United Airlines Flights From Calgary to Denver

    United Airlines (7.4/10 from 10,172 reviews) operates around 19 flights from Calgary to Denver in any given week. The average United Airlines airfare for this route is around C$ 500, with deals from around C$ 188 rare but found on momondo. Referenced prices are for round-trip Calgary to Denver flight searches in the last 72 hours.

Travelling to a place near Denver?

Book flights to Denver if you plan to visit one of these locations
Keystone
Winter Park
Estes Park
Boulder
Silverthorne
Lakewood
Breckenridge
Wheat Ridge
Englewood
Black Hawk
Glendale

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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