$123+ Cheap flights from Calgary (YYC) to Denver (DEN)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/4. Fares are subject to change and may not be available on all flights or dates of travel.
YYC — DEN
Oct 13 — Oct 201
Round-trip
1 adult, Economy
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Find cheap flights from Calgary to Denver with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Calgary to Denver Intl are usually found in August or July, booked 23 days in advance, depart on a Friday or Tuesday and return on a Tuesday
Cheap flight deals from Calgary to Denver
Cheapest
Best
Last-minute
One-way
Cheapest flights from Calgary to DenverExplore the most affordable flight options available from Calgary to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 13, 2026.
Explore the most affordable flight options available from Calgary to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 13, 2026.
This Air Canada deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/234:25 pm -
1 stop6h 43m
Wed 9/307:50 pm -
1 stop5h 49m
Deal found 9/10![Air Canada logo]()
$198
This Justfly.com deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/88:45 am -
Nonstop2h 35m
Thu 10/1512:15 pm -
Nonstop2h 30m
Deal found 9/9![WestJet logo]()
$205
This United Airlines deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/16:00 am -
Nonstop2h 34m
Sun 10/47:16 pm -
Nonstop2h 32m
Deal found 9/8![United Airlines logo]()
$214
This Air Canada deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/17:50 am -
1 stop9h 08m
Sun 10/47:50 pm -
1 stop5h 54m
Deal found 9/10![Air Canada logo]()
$217
This United deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/86:00 am -
Nonstop2h 34m
Thu 10/227:50 pm -
1 stop5h 54m
Deal found 9/7![Multiple Airlines logo]()
$219
This Kissandfly.com deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/88:45 am -
Nonstop2h 35m
Sun 10/119:10 am -
1 stop6h 19m
Deal found 9/9![Multiple Airlines logo]()
$223
This Air Canada deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/54:25 pm -
1 stop6h 43m
Fri 10/97:50 pm -
1 stop5h 54m
Deal found 9/8![Air Canada logo]()
$224
This Trip.com deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/266:00 am -
1 stop6h 38m
Mon 11/28:15 am -
1 stop11h 13m
Deal found 9/11![Air Canada logo]()
$226
This Kissandfly.com deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/86:00 am -
Nonstop2h 34m
Sun 10/117:16 pm -
Nonstop2h 32m
Deal found 9/9![Lufthansa logo]()
$227
This Kiwi.com deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/272:10 pm -
2 stops9h 39m
Wed 10/282:14 pm -
1 stop8h 01m
Deal found 9/11![Multiple Airlines logo]()
$229
This Air Canada deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/412:30 pm -
2 stops10h 38m
Fri 10/97:50 pm -
1 stop5h 54m
Deal found 9/8![Air Canada logo]()
$230
This Air Canada deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/812:40 pm -
1 stop10h 28m
Thu 10/227:50 pm -
1 stop5h 54m
Deal found 9/7![Air Canada logo]()
$231
Best flights from Calgary to DenverDiscover carefully curated flight deals from Calgary to Denver that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 13, 2026.
Discover carefully curated flight deals from Calgary to Denver that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 13, 2026.
This United Airlines deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/306:00 am -
Nonstop2h 37m
Sun 11/17:11 pm -
Nonstop3h 42m
Deal found 9/8![United Airlines logo]()
$241
This United deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/96:00 am -
Nonstop2h 34m
Fri 10/167:50 pm -
1 stop5h 54m
Deal found 9/9![Multiple Airlines logo]()
$242
This United deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/86:00 am -
Nonstop2h 34m
Thu 10/157:50 pm -
1 stop5h 49m
Deal found 9/9![Multiple Airlines logo]()
$242
This United deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/226:00 am -
Nonstop2h 34m
Sun 11/18:15 am -
1 stop15h 19m
Deal found 9/11![Multiple Airlines logo]()
$273
This United Airlines deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/203:06 pm -
Nonstop1h 30m
Mon 11/2311:39 am -
Nonstop3h 42m
Deal found 9/9![United Airlines logo]()
$309
This United Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/43:06 pm -
Nonstop1h 30m
Sun 11/87:11 pm -
Nonstop3h 42m
Deal found 9/10![United Airlines logo]()
$311
This United deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/236:00 am -
Nonstop2h 34m
Wed 9/307:50 pm -
1 stop5h 49m
Deal found 9/11![Multiple Airlines logo]()
$302
This United Airlines deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/226:00 am -
Nonstop2h 34m
Sun 11/111:39 am -
Nonstop3h 42m
Deal found 9/9![United Airlines logo]()
$311
This United Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/47:00 am -
Nonstop1h 37m
Mon 11/911:39 am -
Nonstop3h 42m
Deal found 9/10![United Airlines logo]()
$311
This United Airlines deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/296:00 am -
Nonstop2h 37m
Sun 11/111:39 am -
Nonstop3h 42m
Deal found 9/12![United Airlines logo]()
$314
Last-minute flights from Calgary to DenverDiscover last-minute flight deals from Calgary to Denver. Data last updated September 13, 2026 and is based on user searches.
Discover last-minute flight deals from Calgary to Denver. Data last updated September 13, 2026 and is based on user searches.
This Air Canada deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/234:25 pm -
1 stop6h 43m
Wed 9/307:50 pm -
1 stop5h 49m
Deal found 9/10![Air Canada logo]()
$198
This United Airlines deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/16:00 am -
Nonstop2h 34m
Sun 10/47:16 pm -
Nonstop2h 32m
Deal found 9/8![United Airlines logo]()
$214
This Air Canada deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/17:50 am -
1 stop9h 08m
Sun 10/47:50 pm -
1 stop5h 54m
Deal found 9/10![Air Canada logo]()
$217
This Air Canada deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/412:30 pm -
2 stops10h 38m
Sat 10/107:50 pm -
1 stop5h 54m
Deal found 9/8![Air Canada logo]()
$230
This Air Canada deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/54:25 pm -
1 stop6h 43m
Fri 10/97:50 pm -
1 stop5h 54m
Deal found 9/8![Air Canada logo]()
$224
This Justfly.com deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/88:45 am -
Nonstop2h 35m
Thu 10/1512:15 pm -
Nonstop2h 30m
Deal found 9/9![WestJet logo]()
$205
This United deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/86:00 am -
Nonstop2h 34m
Sun 10/117:50 pm -
1 stop5h 54m
Deal found 9/9![Multiple Airlines logo]()
$219
This Kissandfly.com deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/86:00 am -
Nonstop2h 34m
Sun 10/117:16 pm -
Nonstop2h 32m
Deal found 9/9![Lufthansa logo]()
$227
This Air Canada deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/812:40 pm -
1 stop10h 28m
Thu 10/227:50 pm -
1 stop5h 54m
Deal found 9/7![Air Canada logo]()
$231
This Trip.com deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/266:00 am -
1 stop6h 38m
Mon 11/28:15 am -
1 stop11h 13m
Deal found 9/11![Air Canada logo]()
$226
This Kiwi.com deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/272:10 pm -
2 stops9h 39m
Wed 10/282:14 pm -
1 stop8h 01m
Deal found 9/11![Multiple Airlines logo]()
$229
One-way flights from Calgary to DenverSearch for one-way flight options from Calgary to Denver. Find affordable one-way fares based on user searches. Data last updated September 13, 2026.
Search for one-way flight options from Calgary to Denver. Find affordable one-way fares based on user searches. Data last updated September 13, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/48:45 am -
Nonstop2h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![WestJet logo]()
$123
This Air Canada deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/234:25 pm -
1 stop6h 43m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Air Canada logo]()
$125
This Kiwi.com deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/88:45 am -
Nonstop2h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![WestJet logo]()
$127
This Air Canada deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/64:25 pm -
1 stop6h 43m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Air Canada logo]()
$132
This United Airlines deal was found by Cheapflights users on 9/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/36:00 am -
Nonstop2h 34m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![United Airlines logo]()
$133
This Air Canada deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/264:25 pm -
1 stop6h 43m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Air Canada logo]()
$138
This Air Canada deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/107:00 am -
1 stop5h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Air Canada logo]()
$141
Find flight deals from Calgary to Denver
Discover tips and strategies to find the most affordable flight options for your journey from Calgary (YYC) to Denver (DEN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 13, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $198 (Air Canada) |
One-way from | $123 (Kiwi.com) |
Popular in | February |
Cheapest in | August |
Average price | $311 |
Good round-trip deal | $353 or less |
Good one-way deal | $383 or less |
Cheapflights 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, Cheapflights users made 7,457,451 searches. Data last updated September 13, 2026.
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
Cheapest round-trip
CalgaryDenver
YYC Calgary - DEN Denver Intl
YYCDEN
Calgary
Thu 9/24
6:00 am-8:34 am
Nonstop2h 34m
Denver Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$133
CalgaryDenver
YYC Calgary - DEN Denver Intl
YYCDEN
Calgary
Wed 10/7
6:00 am-8:34 am
Nonstop2h 34m
Denver Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$133
CalgaryDenver
YYC Calgary - DEN Denver Intl
YYCDEN
Calgary
Sat 9/26
4:25 pm-11:08 pm
1 stop6h 43m
Denver Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$138
CalgaryDenver
YYC Calgary - DEN Denver Intl
YYCDEN
Calgary
Wed 3/10
7:00 am-11:35 am
1 stop5h 35m
Denver Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$142
CalgaryDenver
YYC Calgary - DEN Denver Intl
YYCDEN
Calgary
Fri 10/9
6:00 am-4:58 pm
1 stop10h 58m
Denver Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$144
CalgaryDenver
YYC Calgary - DEN Denver Intl
YYCDEN
Calgary
Fri 10/2
6:00 am-8:34 am
Nonstop2h 34m
Denver Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$146
CalgaryDenver
YYC Calgary - DEN Denver Intl
YYCDEN
Calgary
Wed 9/23
6:00 am-8:34 am
Nonstop2h 34m
Denver Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$146
CalgaryDenver
YYC Calgary - DEN Denver Intl
YYCDEN
Calgary
Tue 9/22
6:00 am-8:34 am
Nonstop2h 34m
Denver Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$146
CalgaryDenver
YYC Calgary - DEN Denver Intl
YYCDEN
Calgary
Fri 11/20
7:00 am-7:37 am
Nonstop1h 37m
Denver Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$147
Quickest round-trip
CalgaryDenver
YYC Calgary - DEN Denver Intl
YYCDEN
Calgary
Wed 3/10
3:06 pm-3:42 pm
Nonstop1h 36m
Denver Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$153
Showing 1-10 of 20 resultsSorted by cheapest first
Compare providers for flights from Calgary to Denver
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Calgary to Denver in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Calgary-Denver flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Calgary-Denver flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Calgary-Denver flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Calgary-Denver flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Calgary-Denver flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Calgary to Denver
Have a flexible travel schedule? Discover the best time to fly to Denver from Calgary with our price prediction graph.
YYC-DEN
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Calgary to Denver
Prices
Airlines
How far ahead should I book a flight from Calgary to Denver?
Booking 22 days in advance of your planned departure date is, on average, the best time to get cheap flights from Calgary to Denver. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from Calgary to Denver?
Currently, August is the cheapest month in which you can book a flight from Calgary to Denver (average of $284). Flying from Calgary to Denver in February is currently the most expensive (average of $387). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from YYC to DEN?
Find hourly flight availability from Calgary to Denver. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 13, 2026.
One of the essential ways to save on airfare from Calgary to Denver is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the evening could potentially save you up to 25% on airfare.
What is the cheapest day to fly from Calgary to Denver?
Use this chart to determine the cheapest time to fly round-trip from Calgary to Denver. Price data was last updated on September 12, 2026.
Travelers seeking maximum savings on their Calgary to Denver flight should consider departing on Sunday afternoons when fares are most often at their lowest. Tuesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
The best insider tips for Calgary to Denver flights
AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Calgary to Denver trip
Our travel experts
Reviews of airlines servicing Denver
Get insights into the airlines that provide service to Denver. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Denver. Reviews last updated September 13, 2026.
Peruse reviews from past customers who have flown with United Airlines,WestJet, andAir Canada from Calgary to Denver to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
6.7
Boarding
7.7
Comfort
7.3
Crew
8.1
Entertainment
7.1
Overall
7.4
Reviews
1 / 20
2.0
MediocreDawn,Aug 2026
ORD - DEN
Food
6.7
Boarding
7.7
Comfort
7.3
Crew
8.1
Entertainment
7.1
Overall
7.4
Reviews
1 / 20
2.0
MediocreDawn,Aug 2026
ORD - DEN
Food
6.7
Boarding
7.7
Comfort
7.3
Crew
8.1
Entertainment
7.1
Overall
7.4
Reviews
1 / 20
2.0
MediocreDawn,Aug 2026
ORD - DEN
Food
6.7
Boarding
7.7
Comfort
7.3
Crew
8.1
Entertainment
7.1
Overall
7.4
Reviews
1 / 20
2.0
MediocreDawn,Aug 2026
ORD - DEN
Related info for your journey
Find useful and relevant information for your journey from Calgary to Denver. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Book flights to Denver if you plan to visit one of these locationsThornton
Westminster
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| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$124 | Average$365 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$156 | Average$343 | FlexibilityNo cancel fee | On-time60% | |
| Cheapest$174 | Average$320 | FlexibilityNo cancel fee | On-time69% |