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Cheap flights from Calgary to Denver from C$ 175

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 9/2. 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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Find the cheapest flights from Calgary to Denver

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
6:15 a.m. - 8:55 a.m.
YYC
-
DEN
2h 40mdirect
United Airlines Logo
7:15 p.m. - 9:53 p.m.
DEN
-
YYC
2h 38mdirect
C$ 253United Airlines
Thu, 5 Feb - Sun, 8 Feb
Lufthansa Logo
6:15 a.m. - 8:55 a.m.
YYC
-
DEN
2h 40mdirect
Lufthansa Logo
11:42 a.m. - 2:21 p.m.
DEN
-
YYC
2h 39mdirect
C$ 265Lufthansa
Thu, 5 Feb - Sun, 8 Feb
Multiple Airlines Logo
9:45 p.m. - 12:19 p.m.
YYC
-
DEN
14h 34m2 stops
Multiple Airlines Logo
9:10 a.m. - 5:01 p.m.
DEN
-
YYC
7h 51m1 stop
C$ 291Multiple Airlines
Mon, 26 Jan - Mon, 2 Feb
United Airlines Logo
6:15 a.m. - 8:55 a.m.
YYC
-
DEN
2h 40mdirect
United Airlines Logo
7:15 p.m. - 9:53 p.m.
DEN
-
YYC
2h 38mdirect
C$ 292United Airlines
Thu, 5 Feb - Sun, 8 Feb
Multiple Airlines Logo
9:20 a.m. - 10:42 a.m.
YYC
-
DEN
25h 22m1 stop
Multiple Airlines Logo
10:30 p.m. - 8:17 p.m.
DEN
-
YYC
21h 47m2 stops
C$ 295Multiple Airlines
Mon, 9 Feb - Thu, 26 Feb
United Airlines Logo
6:15 a.m. - 8:55 a.m.
YYC
-
DEN
2h 40mdirect
United Airlines Logo
7:15 p.m. - 9:53 p.m.
DEN
-
YYC
2h 38mdirect
C$ 298United Airlines
Thu, 5 Feb - Mon, 9 Feb
Multiple Airlines Logo
6:30 a.m. - 5:04 p.m.
YYC
-
DEN
10h 34m2 stops
Multiple Airlines Logo
10:29 p.m. - 5:01 p.m.
DEN
-
YYC
18h 32m1 stop
C$ 299Multiple Airlines
Thu, 5 Feb - Sun, 8 Feb
Multiple Airlines Logo
12:30 a.m. - 12:19 p.m.
YYC
-
DEN
11h 49m1 stop
Multiple Airlines Logo
9:10 a.m. - 5:01 p.m.
DEN
-
YYC
7h 51m1 stop
C$ 301Multiple Airlines
Sat, 31 Jan - Mon, 2 Feb
Multiple Airlines Logo
12:30 a.m. - 12:19 p.m.
YYC
-
DEN
11h 49m1 stop
Multiple Airlines Logo
4:01 p.m. - 10:46 p.m.
DEN
-
YYC
6h 45m1 stop
C$ 302Multiple Airlines
Tue, 27 Jan - Sat, 14 Feb
Multiple Airlines Logo
7:35 p.m. - 10:42 a.m.
YYC
-
DEN
15h 07m1 stop
Multiple Airlines Logo
9:44 p.m. - 7:15 p.m.
DEN
-
YYC
21h 31m2 stops
C$ 306Multiple Airlines
Mon, 12 Jan - Tue, 20 Jan

Delta flights from Calgary to Denver

Our best Delta deals on Calgary to Denver flight tickets
Delta
25 Feb
YYC12:40 p.m.Calgary
7h 34m
1 stop
DEN8:14 p.m.Denver Intl
5 Mar
DEN3:59 p.m.Denver Intl
7h 06m
1 stop
YYC11:05 p.m.Calgary
C$ 309
Find similar
Delta
30 Apr
YYC8:55 a.m.Calgary
2h 30m
DEN11:25 a.m.Denver Intl
7 May
DEN6:30 a.m.Denver Intl
9h 14m
1 stop
YYC3:44 p.m.Calgary
C$ 359
Find similar
Delta
16 Jan
YYC7:40 a.m.Calgary
7h 12m
1 stop
DEN2:52 p.m.Denver Intl
31 Jan
DEN6:23 p.m.Denver Intl
4h 39m
1 stop
YYC11:02 p.m.Calgary
C$ 362
Find similar

United Airlines flights from Calgary to Denver

Our best United Airlines deals on Calgary to Denver flight tickets
United Airlines
5 Feb
YYC6:15 a.m.Calgary
2h 40m
DEN8:55 a.m.Denver Intl
8 Feb
DEN7:15 p.m.Denver Intl
2h 38m
YYC9:53 p.m.Calgary
C$ 253
Find similar
United Airlines
5 Feb
YYC6:15 a.m.Calgary
2h 40m
DEN8:55 a.m.Denver Intl
8 Feb
DEN7:15 p.m.Denver Intl
2h 38m
YYC9:53 p.m.Calgary
C$ 292
Find similar
United Airlines
5 Feb
YYC6:15 a.m.Calgary
2h 40m
DEN8:55 a.m.Denver Intl
9 Feb
DEN7:15 p.m.Denver Intl
2h 38m
YYC9:53 p.m.Calgary
C$ 298
Find similar

momondo 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, momondo users made 96,600 searches. Data last updated 28 December 2025.
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

CalgaryDenver

YYC - DEN

YYCDEN

Calgary

Thu 5/2

6:15 a.m.-8:55 a.m.

Nonstop2h 40m

Denver Intl

Sun 8/2

7:15 p.m.-9:53 p.m.

Nonstop2h 38m

C$ 253

CalgaryDenver

YYC - DEN

YYCDEN

Calgary

Thu 5/2

6:15 a.m.-8:55 a.m.

Nonstop2h 40m

Denver Intl

Sun 8/2

11:42 a.m.-2:21 p.m.

Nonstop2h 39m

C$ 265

CalgaryDenver

YYC - DEN

YYCDEN

Calgary

Mon 26/1

9:45 p.m.-12:19 p.m.

2 stops14h 34m

Denver Intl

Mon 2/2

9:10 a.m.-5:01 p.m.

1 stop7h 51m

C$ 291

CalgaryDenver

YYC - DEN

YYCDEN

Calgary

Thu 5/2

6:15 a.m.-8:55 a.m.

Nonstop2h 40m

Denver Intl

Sun 8/2

7:15 p.m.-9:53 p.m.

Nonstop2h 38m

C$ 292

CalgaryDenver

YYC - DEN

YYCDEN

Calgary

Mon 9/2

9:20 a.m.-10:42 a.m.

1 stop25h 22m

Denver Intl

Thu 26/2

10:30 p.m.-8:17 p.m.

2 stops21h 47m

C$ 295

CalgaryDenver

YYC - DEN

YYCDEN

Calgary

Thu 5/2

6:15 a.m.-8:55 a.m.

Nonstop2h 40m

Denver Intl

Mon 9/2

7:15 p.m.-9:53 p.m.

Nonstop2h 38m

C$ 298

CalgaryDenver

YYC - DEN

YYCDEN

Calgary

Thu 5/2

6:30 a.m.-5:04 p.m.

2 stops10h 34m

Denver Intl

Sun 8/2

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

1 stop18h 32m

C$ 299

CalgaryDenver

YYC - DEN

YYCDEN

Calgary

Sat 31/1

12:30 a.m.-12:19 p.m.

1 stop11h 49m

Denver Intl

Mon 2/2

9:10 a.m.-5:01 p.m.

1 stop7h 51m

C$ 301

CalgaryDenver

YYC - DEN

YYCDEN

Calgary

Tue 27/1

12:30 a.m.-12:19 p.m.

1 stop11h 49m

Denver Intl

Sat 14/2

4:01 p.m.-10:46 p.m.

1 stop6h 45m

C$ 302

CalgaryDenver

YYC - DEN

YYCDEN

Calgary

Mon 12/1

7:35 p.m.-10:42 a.m.

1 stop15h 07m

Denver Intl

Tue 20/1

9:44 p.m.-7:15 p.m.

2 stops21h 31m

C$ 306

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 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$ 251. If you aren’t able to travel during the month of July, then book flights to Denver from Calgary during June instead. Flights to Denver in June, while not as cheap as those in July, still average around C$ 262.

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$ 636. 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$ 738.

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$ 623. Try not to purchase tickets in the morning because they tend to be around C$ 706. 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$ 363 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$ 209 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?

You could potentially save up to 59% on your flight if you consider stops on a Calgary to Denver flight.

How have Calgary to Denver flight prices changed over time?

As of December 2025, prices for Calgary to Denver flights are approximately 11% 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$ 363

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$ 363. The best round-trip flight deal from Calgary to Denver found on momondo in the last 72 hours is C$ 544.
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?

  • 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
WestJetPriceFrom C$ 166Free CancellationRating
7.2
3,222 reviews
Search WestJet flights
DeltaPriceFrom C$ 180Free CancellationRating
7.9
8,017 reviews
Search Delta flights
Air CanadaPriceFrom C$ 180Free CancellationRating
7.1
10,562 reviews
Search Air Canada flights
United AirlinesPriceFrom C$ 184Free CancellationRating
7.4
9,114 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$ 184 round-trip, up to an average price of C$ 423. Our users have rated United Airlines at 7.4/10.

  • Air Canada Flights From Calgary to Denver

    Air Canada (7.1/10 from 10,562 reviews) operates around 14 flights from Calgary to Denver in any given week. The average Air Canada airfare for this route is around C$ 403, with deals from around C$ 180 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
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

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.
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