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Cheap flights from Calgary to Denver from $84

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 10/13. 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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0 bags

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Cheap round-trip flights

United Airlines Logo
6:15 am - 8:42 amYYC-DEN
2h 27mnonstop
United Airlines Logo
7:21 pm - 9:48 pmDEN-YYC
2h 27mnonstop
$144United Airlines
Find Deal
Sat, Oct 11 - Sun, Oct 12
Air Canada Logo
7:00 am - 12:38 pmYYC-DEN
5h 38m1 stop
Air Canada Logo
6:05 pm - 12:42 amDEN-YYC
6h 37m1 stop
$147Air Canada
Find Deal
Wed, Oct 1 - Fri, Oct 3
Air Canada Logo
8:25 am - 4:33 pmYYC-DEN
8h 08m1 stop
Air Canada Logo
6:05 pm - 12:42 amDEN-YYC
6h 37m1 stop
$156Air Canada
Find Deal
Tue, Sep 30 - Mon, Oct 6
Lufthansa Logo
6:15 am - 8:42 amYYC-DEN
2h 27mnonstop
Lufthansa Logo
7:21 pm - 9:48 pmDEN-YYC
2h 27mnonstop
$159Lufthansa
Find Deal
Sat, Oct 11 - Sun, Oct 12
Air Canada Logo
6:10 am - 12:38 pmYYC-DEN
6h 28m1 stop
Air Canada Logo
6:05 pm - 12:42 amDEN-YYC
6h 37m1 stop
$168Air Canada
Find Deal
Wed, Oct 15 - Sun, Oct 19
Air Canada Logo
6:10 am - 12:38 pmYYC-DEN
6h 28m1 stop
Air Canada Logo
6:05 pm - 12:42 amDEN-YYC
6h 37m1 stop
$175Air Canada
Find Deal
Wed, Oct 15 - Mon, Oct 20
Air Canada Logo
6:10 am - 12:38 pmYYC-DEN
6h 28m1 stop
Air Canada Logo
8:40 am - 3:22 pmDEN-YYC
6h 42m1 stop
$176Air Canada
Find Deal
Thu, Oct 2 - Tue, Oct 21
United Airlines Logo
6:10 am - 8:53 amYYC-DEN
2h 43mnonstop
United Airlines Logo
7:15 pm - 9:53 pmDEN-YYC
2h 38mnonstop
$177United Airlines
Find Deal
Thu, Dec 18 - Mon, Dec 29
Delta Logo
7:45 am - 2:46 pmYYC-DEN
7h 01m1 stop
Delta Logo
6:23 pm - 11:02 pmDEN-YYC
4h 39m1 stop
$215Delta
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Wed, Oct 22 - Fri, Oct 31
Delta Logo
6:45 am - 3:42 pmYYC-DEN
8h 57m1 stop
Delta Logo
6:23 pm - 11:02 pmDEN-YYC
4h 39m1 stop
$223Delta
Find Deal
Tue, Nov 4 - Sat, Nov 8

United Airlines flights from Calgary to Denver

Our best United Airlines deals on Calgary to Denver flight tickets
United Airlines
Oct 11
YYC6:15 amCalgary
2h 27m
DEN8:42 amDenver Intl
Oct 12
DEN7:21 pmDenver Intl
2h 27m
YYC9:48 pmCalgary
$144
Find similar
United Airlines
Dec 18
YYC6:10 amCalgary
2h 43m
DEN8:53 amDenver Intl
Dec 29
DEN7:15 pmDenver Intl
2h 38m
YYC9:53 pmCalgary
$177
Find similar
United Airlines
Oct 29
YYC6:15 amCalgary
2h 38m
DEN8:53 amDenver Intl
Nov 5
DEN11:44 amDenver Intl
2h 37m
YYC2:21 pmCalgary
$187
Find similar

Air Canada flights from Calgary to Denver

Our best Air Canada deals on Calgary to Denver flight tickets
Air Canada
Oct 1
YYC7:00 amCalgary
5h 38m
1 stop
DEN12:38 pmDenver Intl
Oct 3
DEN6:05 pmDenver Intl
6h 37m
1 stop
YYC12:42 amCalgary
$147
Find similar
Air Canada
Sep 30
YYC8:25 amCalgary
8h 08m
1 stop
DEN4:33 pmDenver Intl
Oct 6
DEN6:05 pmDenver Intl
6h 37m
1 stop
YYC12:42 amCalgary
$156
Find similar
Air Canada
Oct 15
YYC6:10 amCalgary
6h 28m
1 stop
DEN12:38 pmDenver Intl
Oct 19
DEN6:05 pmDenver Intl
6h 37m
1 stop
YYC12:42 amCalgary
$168
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 832,500 searches. Data last updated September 16, 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

Sat 10/11

6:15 am-8:42 am

Nonstop2h 27m

Denver Intl

Sun 10/12

7:21 pm-9:48 pm

Nonstop2h 27m

$144

CalgaryDenver

YYC - DEN

YYCDEN

Calgary

Wed 10/1

7:00 am-12:38 pm

1 stop5h 38m

Denver Intl

Fri 10/3

6:05 pm-12:42 am

1 stop6h 37m

$147

CalgaryDenver

YYC - DEN

YYCDEN

Calgary

Tue 9/30

8:25 am-4:33 pm

1 stop8h 08m

Denver Intl

Mon 10/6

6:05 pm-12:42 am

1 stop6h 37m

$156

CalgaryDenver

YYC - DEN

YYCDEN

Calgary

Sat 10/11

6:15 am-8:42 am

Nonstop2h 27m

Denver Intl

Sun 10/12

7:21 pm-9:48 pm

Nonstop2h 27m

$159

CalgaryDenver

YYC - DEN

YYCDEN

Calgary

Wed 10/15

6:10 am-12:38 pm

1 stop6h 28m

Denver Intl

Sun 10/19

6:05 pm-12:42 am

1 stop6h 37m

$168

CalgaryDenver

YYC - DEN

YYCDEN

Calgary

Wed 10/15

6:10 am-12:38 pm

1 stop6h 28m

Denver Intl

Mon 10/20

6:05 pm-12:42 am

1 stop6h 37m

$175

CalgaryDenver

YYC - DEN

YYCDEN

Calgary

Thu 10/2

6:10 am-12:38 pm

1 stop6h 28m

Denver Intl

Tue 10/21

8:40 am-3:22 pm

1 stop6h 42m

$176

CalgaryDenver

YYC - DEN

YYCDEN

Calgary

Thu 12/18

6:10 am-8:53 am

Nonstop2h 43m

Denver Intl

Mon 12/29

7:15 pm-9:53 pm

Nonstop2h 38m

$177

CalgaryDenver

YYC - DEN

YYCDEN

Calgary

Wed 10/22

7:45 am-2:46 pm

1 stop7h 01m

Denver Intl

Fri 10/31

6:23 pm-11:02 pm

1 stop4h 39m

$215

CalgaryDenver

YYC - DEN

YYCDEN

Calgary

Tue 11/4

6:45 am-3:42 pm

1 stop8h 57m

Denver Intl

Sat 11/8

6:23 pm-11:02 pm

1 stop4h 39m

$223

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?

What is the cheapest month to fly to Denver?

The cheapest month to fly to Denver from Calgary is in July. Flight prices, which tend to average around $184, are often lower during this time because this is during the off-season. If you don’t want to visit Denver in July, then you should wait until June to fly from Calgary, when ticket prices are also cheap, with an average price of $193.

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

The cheapest day to depart on your flight to Denver is on a Friday when prices can be found for as low as $354. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Denver is Sunday, with ticket prices averaging around $580.

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

The cheapest time of day to fly to Denver is in the afternoon when flights can be purchased for as low as $226. Flights at noon are often more expensive with an average ticket price of $473.

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 $270 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 $156 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 September 2025, prices for Calgary to Denver flights are approximately 19% 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

$247

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 $247. The best round-trip flight deal from Calgary to Denver found on momondo in the last 72 hours is $237.
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)
Search flight deals

  • How far is Calgary to Denver Intl by plane?

    A flight from Calgary to Denver Intl will travel around 894.9 mi. 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 were last updated today.

  • 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 a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to 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 you'll need for your trip to Denver Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Denver Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • 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 $100Free CancellationRating
7.2
3,093 reviews
Search WestJet flights
United AirlinesPriceFrom $113Free CancellationRating
7.4
8,924 reviews
Search United Airlines flights
Air CanadaPriceFrom $113Free CancellationRating
7.1
10,000 reviews
Search Air Canada flights

  • United Airlines Flights From Calgary to Denver

    Across 18 United Airlines flights from Calgary to Denver this week, the average price was $323, with the best United Airlines deals starting from $113 round-trip. 8,924 users have rated United Airlines on momondo, with an average score of 7.4/10.

  • WestJet Flights From Calgary to Denver

    Across 3,093 WestJet reviews on momondo, the average score is 7.2/10. WestJet flies from Calgary to Denver about 4 times each week, with ticket deals ranging from $100 to $177. Price data is based on momondo searches in the last 72 hours.

Traveling to a place near Denver?

Book flights to Denver if you plan to visit one of these locations
Estes Park
Breckenridge
Black Hawk
Aurora
Fort Collins
Keystone
Cripple Creek
Boulder
Manitou Springs
Longmont
Lakewood
Greeley
Thornton
Westminster
Winter Park
Copper Mountain
Frisco
Grand Lake
Silverthorne
Central City

Why use momondo?

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

It is quick and easy to find Calgary to Denver flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Denver that suits you.

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

Flights from Calgary to Denver with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Denver from Calgary.

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

Price alerts on flights to Denver from Calgary are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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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