This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/12. Fares are subject to change and may not be available on all flights or dates of travel.
YYC — DEN
26 Dec — 2 Jan1
Round-trip
1 adult
Economy
Round-trip
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Calgary to Denver Intl are usually found in July or June, booked 83 days in advance, depart on a Thursday or Tuesday and return on a Thursday
Cheap 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 26 November 2025.
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 26 November 2025.
Mon 15/126:15 a.m.YYC - DEN
Nonstop2h 38mUnited Airlines
Wed 7/17:15 p.m.DEN - YYC
Nonstop2h 38mUnited Airlines
Deal found 23/11C$ 291
Tue 9/126:15 a.m.YYC - DEN
Nonstop2h 38mUnited Airlines
Fri 12/127:16 p.m.DEN - YYC
Nonstop2h 37mUnited Airlines
Deal found 26/11C$ 334
Mon 15/127:35 p.m.YYC - DEN
1 stop13h 20mMultiple Airlines
Wed 7/110:29 p.m.DEN - YYC
1 stop24h 23mMultiple Airlines
Deal found 24/11C$ 341
Tue 9/126:00 a.m.YYC - DEN
1 stop6h 37mAir Canada
Fri 12/128:45 a.m.DEN - YYC
1 stop15h 44mAir Canada
Deal found 26/11C$ 360
Mon 15/122:13 p.m.YYC - DEN
Nonstop2h 32mAir Canada
Wed 7/111:46 a.m.DEN - YYC
1 stop7h 58mAir Canada
Deal found 24/11C$ 375
Mon 8/1212:30 a.m.YYC - DEN
1 stop9h 48mMultiple Airlines
Fri 12/129:42 a.m.DEN - YYC
2 stops31h 38mMultiple Airlines
Deal found 25/11C$ 382
Best flights from Calgary to Denver
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 26 November 2025.
Sat 17/12:13 p.m.YYC - DEN
Nonstop2h 32mUnited Airlines
Sun 18/17:15 p.m.DEN - YYC
Nonstop2h 38mUnited Airlines
Deal found 26/11C$ 206
Fri 16/16:45 a.m.YYC - DEN
1 stop5h 52mAir Canada
Sat 31/18:05 a.m.DEN - YYC
2 stops23h 14mAir Canada
Deal found 26/11C$ 291
Fri 30/16:30 a.m.YYC - DEN
1 stop7h 30mDelta
Mon 2/26:23 p.m.DEN - YYC
1 stop4h 39mDelta
Deal found 26/11C$ 312
Tue 13/112:20 p.m.YYC - DEN
1 stop21h 00mMultiple Airlines
Sat 24/15:09 p.m.DEN - YYC
2 stops14h 51mMultiple Airlines
Deal found 24/11C$ 344
Wed 21/12:13 p.m.YYC - DEN
Nonstop2h 32mUnited Airlines
Wed 28/17:15 p.m.DEN - YYC
Nonstop2h 38mUnited Airlines
Deal found 25/11C$ 217
Mon 15/126:15 a.m.YYC - DEN
Nonstop2h 38mUnited Airlines
Wed 7/17:15 p.m.DEN - YYC
Nonstop2h 38mUnited Airlines
Deal found 23/11C$ 291
Fri 9/16:30 a.m.YYC - DEN
2 stops13h 50mMultiple Airlines
Sun 11/16:10 a.m.DEN - YYC
1 stop10h 38mMultiple Airlines
Deal found 24/11C$ 350
Tue 9/126:15 a.m.YYC - DEN
Nonstop2h 38mUnited Airlines
Fri 12/127:16 p.m.DEN - YYC
Nonstop2h 37mUnited Airlines
Deal found 26/11C$ 334
Thu 8/16:15 a.m.YYC - DEN
Nonstop2h 40mUnited Airlines
Sun 11/17:15 p.m.DEN - YYC
Nonstop2h 38mUnited Airlines
Deal found 24/11C$ 341
Direct flights from Calgary to Denver
Explore direct flight options from Calgary to Denver based on user searches, and compare prices and availability for your desired travel dates. Data last updated 26 November 2025.
Sat 17/12:13 p.m.YYC - DEN
Nonstop2h 32mUnited Airlines
Sun 18/17:15 p.m.DEN - YYC
Nonstop2h 38mUnited Airlines
Deal found 26/11C$ 206
Thu 15/12:13 p.m.YYC - DEN
Nonstop2h 32mLufthansa
Sun 18/17:15 p.m.DEN - YYC
Nonstop2h 38mLufthansa
Deal found 26/11C$ 214
Wed 21/12:13 p.m.YYC - DEN
Nonstop2h 32mUnited Airlines
Wed 28/17:15 p.m.DEN - YYC
Nonstop2h 38mUnited Airlines
Deal found 25/11C$ 217
Mon 26/16:15 a.m.YYC - DEN
Nonstop2h 40mUnited Airlines
Tue 27/17:15 p.m.DEN - YYC
Nonstop2h 38mUnited Airlines
Deal found 24/11C$ 260
Mon 15/126:15 a.m.YYC - DEN
Nonstop2h 38mUnited Airlines
Wed 7/17:15 p.m.DEN - YYC
Nonstop2h 38mUnited Airlines
Deal found 23/11C$ 291
Tue 9/126:15 a.m.YYC - DEN
Nonstop2h 38mUnited Airlines
Fri 12/127:16 p.m.DEN - YYC
Nonstop2h 37mUnited Airlines
Deal found 26/11C$ 334
Thu 8/16:15 a.m.YYC - DEN
Nonstop2h 40mUnited Airlines
Sun 11/17:15 p.m.DEN - YYC
Nonstop2h 38mUnited Airlines
Deal found 24/11C$ 341
Tue 13/16:15 a.m.YYC - DEN
Nonstop2h 40mUnited Airlines
Sat 24/17:15 p.m.DEN - YYC
Nonstop2h 38mUnited Airlines
Deal found 24/11C$ 384
Sat 10/16:15 a.m.YYC - DEN
Nonstop2h 40mUnited Airlines
Sat 17/111:42 a.m.DEN - YYC
Nonstop2h 39mUnited Airlines
Deal found 26/11C$ 408
Last-minute flights from Calgary to Denver
Discover last-minute flight deals from Calgary to Denver. Data last updated 26 November 2025 and is based on user searches.
Mon 8/1212:30 a.m.YYC - DEN
1 stop9h 48mMultiple Airlines
Fri 12/129:42 a.m.DEN - YYC
2 stops31h 38mMultiple Airlines
Deal found 25/11C$ 382
Tue 9/126:15 a.m.YYC - DEN
Nonstop2h 38mUnited Airlines
Fri 12/127:16 p.m.DEN - YYC
Nonstop2h 37mUnited Airlines
Deal found 26/11C$ 334
Tue 9/126:00 a.m.YYC - DEN
1 stop6h 37mAir Canada
Fri 12/128:45 a.m.DEN - YYC
1 stop15h 44mAir Canada
Deal found 26/11C$ 360
Mon 15/126:15 a.m.YYC - DEN
Nonstop2h 38mUnited Airlines
Wed 7/17:15 p.m.DEN - YYC
Nonstop2h 38mUnited Airlines
Deal found 23/11C$ 291
Mon 15/127:35 p.m.YYC - DEN
1 stop13h 20mMultiple Airlines
Wed 7/110:29 p.m.DEN - YYC
1 stop24h 23mMultiple Airlines
Deal found 24/11C$ 341
Mon 15/122:13 p.m.YYC - DEN
Nonstop2h 32mAir Canada
Wed 7/111:46 a.m.DEN - YYC
1 stop7h 58mAir Canada
Deal found 24/11C$ 375
One-way flights from Calgary to Denver
Search for one-way flight options from Calgary to Denver. Find affordable one-way fares based on user searches. Data last updated 26 November 2025.
Tue 9/126:15 a.m.YYC - DEN
Nonstop2h 38mUnited Airlines
Deal found 25/11C$ 135
Tue 9/126:00 a.m.YYC - DEN
1 stop6h 37mAir Canada
Deal found 25/11C$ 143
Sat 10/16:45 a.m.YYC - DEN
1 stop5h 52mAir Canada
Deal found 26/11C$ 158
Mon 2/22:13 p.m.YYC - DEN
Nonstop2h 32mUnited Airlines
Deal found 24/11C$ 162
Sat 10/19:45 p.m.YYC - DEN
2 stops14h 36mMultiple Airlines
Deal found 26/11C$ 176
Thu 15/17:55 a.m.YYC - DEN
1 stop9h 05mMultiple Airlines
Deal found 24/11C$ 182
Mon 23/26:30 a.m.YYC - DEN
2 stops17h 55mMultiple Airlines
Deal found 25/11C$ 183
Tue 3/38:55 a.m.YYC - DEN
1 stop25h 25mMultiple Airlines
Deal found 26/11C$ 185
Sun 22/27:35 p.m.YYC - DEN
1 stop13h 03mMultiple Airlines
Deal found 26/11C$ 188
Fri 9/16:30 a.m.YYC - DEN
2 stops16h 49mMultiple Airlines
Deal found 25/11C$ 189
Wed 4/22:13 p.m.YYC - DEN
Nonstop2h 32mAir Canada
Deal found 25/11C$ 195
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 629,999 searches. Data last updated 26 November 2025.
Use the filters below to find and compare flights from Calgary to Denver that are best for you.
Fly from
Calgary
Fly to
Denver
Route
Depart
Return
Price
CalgaryDenver
YYC - DEN
YYCDEN
Calgary
Sat 17/1
2:13 p.m.-4:45 p.m.
Nonstop2h 32m
Denver Intl
Sun 18/1
7:15 p.m.-9:53 p.m.
Nonstop2h 38m
C$ 206
CalgaryDenver
YYC - DEN
YYCDEN
Calgary
Wed 21/1
2:13 p.m.-4:45 p.m.
Nonstop2h 32m
Denver Intl
Wed 28/1
7:15 p.m.-9:53 p.m.
Nonstop2h 38m
C$ 217
CalgaryDenver
YYC - DEN
YYCDEN
Calgary
Fri 16/1
6:45 a.m.-12:37 p.m.
1 stop5h 52m
Denver Intl
Sat 31/1
8:05 a.m.-7:19 a.m.
2 stops23h 14m
C$ 291
CalgaryDenver
YYC - DEN
YYCDEN
Calgary
Mon 15/12
6:15 a.m.-8:53 a.m.
Nonstop2h 38m
Denver Intl
Wed 7/1
7:15 p.m.-9:53 p.m.
Nonstop2h 38m
C$ 291
CalgaryDenver
YYC - DEN
YYCDEN
Calgary
Fri 30/1
6:30 a.m.-2:00 p.m.
1 stop7h 30m
Denver Intl
Mon 2/2
6:23 p.m.-11:02 p.m.
1 stop4h 39m
C$ 312
CalgaryDenver
YYC - DEN
YYCDEN
Calgary
Tue 9/12
6:15 a.m.-8:53 a.m.
Nonstop2h 38m
Denver Intl
Fri 12/12
7:16 p.m.-9:53 p.m.
Nonstop2h 37m
C$ 334
CalgaryDenver
YYC - DEN
YYCDEN
Calgary
Thu 8/1
6:15 a.m.-8:55 a.m.
Nonstop2h 40m
Denver Intl
Sun 11/1
7:15 p.m.-9:53 p.m.
Nonstop2h 38m
C$ 341
CalgaryDenver
YYC - DEN
YYCDEN
Calgary
Tue 13/1
12:20 p.m.-9:20 a.m.
1 stop21h 00m
Denver Intl
Sat 24/1
5:09 p.m.-8:00 a.m.
2 stops14h 51m
C$ 344
CalgaryDenver
YYC - DEN
YYCDEN
Calgary
Fri 9/1
6:30 a.m.-8:20 p.m.
2 stops13h 50m
Denver Intl
Sun 11/1
6:10 a.m.-4:48 p.m.
1 stop10h 38m
C$ 350
CalgaryDenver
YYC - DEN
YYCDEN
Calgary
Tue 9/12
6:15 a.m.-8:53 a.m.
Nonstop2h 38m
C$ 135
Flights are sorted by cheapest round-trip flights first.
Deals found on 25/11
Showing 1-10 of 19 results
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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.
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
More
How far ahead should I book a flight from Calgary to Denver?
Use this chart to determine the optimal time to book a round-trip flight from Calgary to Denver. Price data was last updated on 21 November 2025.
The price you pay for your flight from Calgary to Denver may vary depending on when you book. For the best chance of a lower fare, look to book 83 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from Calgary to Denver?
Currently, July is the cheapest month in which you can book a flight from Calgary to Denver (average of C$ 141). Flying from Calgary to Denver in January is currently the most expensive (average of C$ 289). 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 26 November 2025.
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 morning tend to be the most expensive. A flight in the evening could potentially save you up to 10% 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 25 November 2025.
Travelers seeking maximum savings on their Calgary to Denver flight should consider departing on Sunday afternoons when fares are most often at their lowest. Monday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
How much does it cost to fly round-trip from Calgary to Denver?
Weekly flight availability from Calgary to Denver
Explore weekly flight availability from Calgary to Denver. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 26 November 2025.
The most flights from YYC to DEN are scheduled on a Monday (5 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (2 on average).
What’s the top layover airport for flights from Calgary to Denver?
Share of one-stop round-trip flights from Calgary to Denver chosen by Cheapflights users in the past 12 months, using the same layover each way.
Vancouver (YVR) – chosen by Cheapflights users on 70% of one-stop itineraries from Calgary to Denver on Cheapflights.
What’s the cheapest layover airport for flights from Calgary to Denver?
Average round-trip fare for 1-stop flights from Calgary to Denver, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Vancouver (YVR) is the most affordable 1-stop option, with an average round-trip price of C$ 408.
What’s the fastest layover option from Calgary to Denver?
Shortest average travel time for 1-stop one-way flights from Calgary to Denver, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Salt Lake City (SLC) have the shortest average one-way travel time for 1-stop routes: 5h 07m.
Which airport typically offers the quickest layover for flights from Calgary to Denver?
Average layover duration for 1-stop one-way flights from Calgary to Denver, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Salt Lake City (SLC) offer the fastest connection on this route, with an average layover time of 1h 04m.
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 26 November 2025.
Get a feel of what it's like to fly with Delta,United Airlines, andWestJet from Calgary to Denver by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
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.
What airports do I use to fly from Calgary to Denver?
Booking a flight from Calgary (YYC) to Denver Intl (DEN) is your only option if you wish to fly from Calgary to Denver. On a typical day, there are 4 flights from Calgary to Denver Intl, all of which are around 2h 32m for a nonstop flight. You can also purchase a plane ticket from 4 airlines when you book a flight from Calgary to Denver.
How popular is this Calgary to Denver flight route?
This flight path from Calgary to Denver Intl was viewed by 3,426 users in the past month. Keep an eye out for changes in search interest prior to high and low season.
How long is the flight from Calgary to Denver?
There are many flights that can get you from Calgary to Denver in 2h 32m. Fly via United Airlines, Air Canada, or Delta to get the fastest option. There are 1445 km between Calgary and Denver. Both multi-stop and direct flights can be found to your destination and back.
What are the cheapest airlines flying from Calgary to Denver round-trip?
Currently priced at C$ 172, WestJet will fly you from Calgary to Denver and back. In addition to WestJet, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Delta and Air Canada - these airlines can fly you to your destination from C$ 186 and C$ 187, respectively. Users have found that WestJet is 54% cheaper than the other options available to this destination.
What are the most reliable airlines from Calgary to Denver?
No one likes to see their flight delayed. When booking a flight from Calgary to Denver consider choosing Copa Airlines (100%), Air Canada (96%) or United Airlines (94%) as they are the most reliable in getting you off to your destination on time.
What are the cheapest flights from Calgary to Denver?
Looking for the cheapest flight from Calgary to Denver? While on average our users pay C$ 607, our data indicates the cheapest price to be C$ 221. The most popular route (Calgary - Denver Intl), is priced around C$ 260.
Can I find deals for business class flights from Calgary to Denver?
Yes. Cheapflights offers flight deals from Calgary to Denver by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Calgary to Denver?
Currently, July is the cheapest month in which you can book a flight from Calgary to Denver (average of C$ 141). Flying from Calgary to Denver in January is currently the most expensive (average of C$ 289). 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.
Explore flights to Denver departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 26 November 2025.
Browse through other flights departing from Calgary. Flights are based on user searches made on Cheapflights and were last updated on 26 November 2025.
Discover the top 4 airlines that operate flights from Calgary to Denver. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 26 November 2025.
Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from Calgary to Denver?
Cheapflights makes it easy to find Calgary to Denver flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.
Why should you use Cheapflights to find cheap flight tickets from Calgary to Denver?
By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Denver from Calgary.
Can Cheapflights find flights from Calgary to Denver with no change fees?
Yes! Cheapflights helps users easily find flights from Calgary to Denver with no change fees.
Can Cheapflights notify me if prices for flights from Calgary to Denver become cheaper?
Of course! You can now track prices for flights from Calgary to Denver and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.
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