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 25/10. Fares are subject to change and may not be available on all flights or dates of travel.
YYC — DEN
30 Oct — 6 Nov1
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 October or August, booked 23 days in advance, depart on a Tuesday or Friday and return on a Thursday
Cheap flight deals from Calgary to Denver
Enter your travel dates to find the best prices.
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Best
Direct
Last-minute
One-way
Cheapest flights from Calgary to Denver
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 30 September 2026.
Thu 22/1012:30 p.m. -
2 stops10h 38m
Mon 26/108:15 a.m. -
2 stops11h 20m
Deal found 26/9C$ 342
Sat 10/104:25 p.m. -
1 stop6h 43m
Mon 19/107:50 p.m. -
1 stop5h 54m
Deal found 26/9C$ 360
Fri 23/106:00 a.m. -
Nonstop2h 34m
Sun 25/108:15 a.m. -
1 stop16h 34m
Deal found 27/9C$ 379
Sat 10/106:00 a.m. -
Nonstop2h 34m
Sun 11/107:16 p.m. -
Nonstop2h 32m
Deal found 25/9C$ 382
Wed 11/119:09 a.m. -
1 stop4h 49m
Wed 18/1112:12 p.m. -
1 stop9h 27m
Deal found 27/9C$ 390
Sat 10/106:00 a.m. -
Nonstop2h 34m
Mon 19/107:16 p.m. -
Nonstop2h 32m
Deal found 25/9C$ 396
Thu 29/107:45 a.m. -
1 stop8h 04m
Sun 1/116:05 a.m. -
1 stop7h 30m
Deal found 28/9C$ 399
Thu 22/106:00 a.m. -
Nonstop2h 34m
Mon 26/107:11 p.m. -
Nonstop2h 42m
Deal found 26/9C$ 401
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 30 September 2026.
Fri 23/106:00 a.m. -
Nonstop2h 34m
Sun 25/108:15 a.m. -
1 stop16h 34m
Deal found 27/9C$ 379
Tue 12/17:15 a.m. -
1 stop7h 54m
Wed 20/13:40 p.m. -
1 stop8h 33m
Deal found 29/9C$ 399
Wed 23/128:00 p.m. -
Nonstop1h 33m
Tue 5/17:14 p.m. -
Nonstop3h 43m
Deal found 27/9C$ 399
Thu 29/107:45 a.m. -
1 stop8h 04m
Sun 1/116:05 a.m. -
1 stop7h 30m
Deal found 28/9C$ 399
Tue 26/17:00 a.m. -
Nonstop1h 40m
Wed 3/28:15 a.m. -
1 stop8h 14m
Deal found 25/9C$ 409
Sat 21/117:00 a.m. -
Nonstop1h 37m
Tue 24/1111:39 a.m. -
Nonstop3h 42m
Deal found 25/9C$ 433
Sat 5/123:06 p.m. -
Nonstop1h 30m
Thu 10/128:15 a.m. -
2 stops12h 20m
Deal found 25/9C$ 433
Fri 23/106:00 a.m. -
Nonstop2h 34m
Sun 25/107:11 p.m. -
Nonstop2h 42m
Deal found 27/9C$ 433
Wed 11/111:35 p.m. -
1 stop6h 54m
Wed 18/115:25 a.m. -
1 stop7h 19m
Deal found 27/9C$ 440
Fri 18/127:00 a.m. -
Nonstop1h 40m
Mon 28/128:15 a.m. -
1 stop14h 14m
Deal found 25/9C$ 475
Wed 13/17:00 a.m. -
Nonstop1h 40m
Wed 20/13:35 p.m. -
Nonstop3h 43m
Deal found 29/9C$ 492
Tue 12/110:39 a.m. -
Nonstop1h 40m
Tue 19/13:35 p.m. -
Nonstop3h 43m
Deal found 29/9C$ 492
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 30 September 2026.
Sat 10/106:00 a.m. -
Nonstop2h 34m
Sun 11/107:16 p.m. -
Nonstop2h 32m
Deal found 25/9C$ 382
Sat 10/106:00 a.m. -
Nonstop2h 34m
Mon 19/107:16 p.m. -
Nonstop2h 32m
Deal found 25/9C$ 396
Wed 23/128:00 p.m. -
Nonstop1h 33m
Tue 5/17:14 p.m. -
Nonstop3h 43m
Deal found 27/9C$ 399
Thu 22/106:00 a.m. -
Nonstop2h 34m
Mon 26/107:11 p.m. -
Nonstop2h 42m
Deal found 26/9C$ 401
Thu 22/106:00 a.m. -
Nonstop2h 34m
Mon 26/107:11 p.m. -
Nonstop2h 42m
Deal found 26/9C$ 407
Thu 26/117:00 a.m. -
Nonstop1h 37m
Sun 29/1111:39 a.m. -
Nonstop3h 42m
Deal found 28/9C$ 413
Fri 18/128:00 p.m. -
Nonstop1h 33m
Mon 28/123:23 p.m. -
Nonstop3h 35m
Deal found 27/9C$ 431
Fri 23/106:00 a.m. -
Nonstop2h 34m
Sun 25/107:11 p.m. -
Nonstop2h 42m
Deal found 27/9C$ 433
Wed 11/113:06 p.m. -
Nonstop1h 30m
Wed 18/117:11 p.m. -
Nonstop3h 42m
Deal found 27/9C$ 482
Tue 12/110:39 a.m. -
Nonstop1h 40m
Thu 21/111:41 a.m. -
Nonstop3h 43m
Deal found 29/9C$ 492
Fri 23/106:00 a.m. -
Nonstop2h 34m
Tue 27/107:11 p.m. -
Nonstop2h 42m
Deal found 27/9C$ 501
Thu 29/106:00 a.m. -
Nonstop2h 37m
Sun 1/117:11 p.m. -
Nonstop3h 42m
Deal found 28/9C$ 515
Last-minute flights from Calgary to Denver
Discover last-minute flight deals from Calgary to Denver. Data last updated 30 September 2026 and is based on user searches.
Sat 10/104:25 p.m. -
1 stop6h 43m
Mon 19/107:50 p.m. -
1 stop5h 54m
Deal found 26/9C$ 360
Sat 10/106:00 a.m. -
Nonstop2h 34m
Sun 11/107:16 p.m. -
Nonstop2h 32m
Deal found 25/9C$ 382
Sat 10/106:00 a.m. -
Nonstop2h 34m
Mon 19/107:16 p.m. -
Nonstop2h 32m
Deal found 25/9C$ 396
Thu 22/1012:30 p.m. -
2 stops10h 38m
Mon 26/108:15 a.m. -
2 stops11h 20m
Deal found 26/9C$ 342
Thu 22/106:00 a.m. -
Nonstop2h 34m
Mon 26/107:11 p.m. -
Nonstop2h 42m
Deal found 26/9C$ 401
Fri 23/106:00 a.m. -
Nonstop2h 34m
Sun 25/108:15 a.m. -
1 stop16h 34m
Deal found 27/9C$ 379
Fri 23/106:00 a.m. -
Nonstop2h 34m
Tue 27/108:15 a.m. -
2 stops11h 20m
Deal found 27/9C$ 406
Thu 29/107:45 a.m. -
1 stop8h 04m
Sun 1/116:05 a.m. -
1 stop7h 30m
Deal found 28/9C$ 399
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 30 September 2026.
Sun 25/106:00 a.m. -
1 stop6h 38m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 26/9C$ 216
Sat 10/104:25 p.m. -
1 stop6h 43m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 26/9C$ 226
Fri 15/17:30 a.m. -
1 stop26h 01m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 27/9C$ 231
Wed 11/119:09 a.m. -
1 stop4h 49m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 27/9C$ 234
Wed 10/33:06 p.m. -
Nonstop1h 36m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 25/9C$ 236
Tue 24/116:00 a.m. -
1 stop6h 43m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 28/9C$ 237
Wed 10/37:15 a.m. -
1 stop7h 54m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 29/9C$ 238
Thu 19/118:45 a.m. -
1 stop7h 17m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 29/9C$ 240
Wed 10/36:50 a.m. -
1 stop5h 45m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 28/9C$ 243
Fri 13/111:00 p.m. -
1 stop5h 13m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 28/9C$ 250
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 30 September 2026.
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 30 September 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
Price
Cheapest round-trip
CalgaryDenver
YYC Calgary - DEN Denver Intl
YYCDEN
Calgary
Sat 10/10
4:25 p.m.-11:08 p.m.
1 stop6h 43m
Denver Intl
Wed 31/12
12:00 a.m.-12:00 a.m.
Nonstop0h 00m
C$ 226
Quickest round-trip
CalgaryDenver
YYC Calgary - DEN Denver Intl
YYCDEN
Calgary
Wed 10/3
3:06 p.m.-4:42 p.m.
Nonstop1h 36m
Denver Intl
Wed 31/12
12:00 a.m.-12:00 a.m.
Nonstop0h 00m
C$ 236
CalgaryDenver
YYC Calgary - DEN Denver Intl
YYCDEN
Calgary
Wed 10/3
7:15 a.m.-3:09 p.m.
1 stop7h 54m
Denver Intl
Wed 31/12
12:00 a.m.-12:00 a.m.
Nonstop0h 00m
C$ 238
CalgaryDenver
YYC Calgary - DEN Denver Intl
YYCDEN
Calgary
Fri 20/11
1:35 p.m.-8:29 p.m.
1 stop6h 54m
Denver Intl
Wed 31/12
12:00 a.m.-12:00 a.m.
Nonstop0h 00m
C$ 240
CalgaryDenver
YYC Calgary - DEN Denver Intl
YYCDEN
Calgary
Wed 10/3
6:50 a.m.-12:35 p.m.
1 stop5h 45m
Denver Intl
Wed 31/12
12:00 a.m.-12:00 a.m.
Nonstop0h 00m
C$ 243
CalgaryDenver
YYC Calgary - DEN Denver Intl
YYCDEN
Calgary
Sat 28/11
7:00 a.m.-8:37 a.m.
Nonstop1h 37m
Denver Intl
Wed 31/12
12:00 a.m.-12:00 a.m.
Nonstop0h 00m
C$ 251
CalgaryDenver
YYC Calgary - DEN Denver Intl
YYCDEN
Calgary
Fri 23/10
6:00 a.m.-8:34 a.m.
Nonstop2h 34m
Denver Intl
Sun 25/10
8:15 a.m.-12:49 a.m.
1 stop16h 34m
C$ 379
CalgaryDenver
YYC Calgary - DEN Denver Intl
YYCDEN
Calgary
Tue 12/1
7:15 a.m.-3:09 p.m.
1 stop7h 54m
Denver Intl
Wed 20/1
3:40 p.m.-12:13 a.m.
1 stop8h 33m
C$ 399
CalgaryDenver
YYC Calgary - DEN Denver Intl
YYCDEN
Calgary
Wed 23/12
8:00 p.m.-9:33 p.m.
Nonstop1h 33m
Denver Intl
Tue 5/1
7:14 p.m.-10:57 p.m.
Nonstop3h 43m
C$ 399
CalgaryDenver
YYC Calgary - DEN Denver Intl
YYCDEN
Calgary
Thu 29/10
7:45 a.m.-3:49 p.m.
1 stop8h 04m
Denver Intl
Sun 1/11
6:05 a.m.-1:35 p.m.
1 stop7h 30m
C$ 399
Flights are sorted by cheapest round-trip flights first.
Deals found on 26/9
Showing 1-10 of 18 resultsSorted by cheapest first
1
2
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?
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 22 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, October is the cheapest month in which you can book a flight from Calgary to Denver (average of C$ 394). Flying from Calgary to Denver in December is currently the most expensive (average of C$ 556). 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 30 September 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 evening tend to be the most expensive. A flight in the afternoon could potentially save you up to 6% 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 26 September 2026.
Travelers seeking maximum savings on their Calgary to Denver flight should consider departing on Thursday evenings when fares are most often at their lowest. Saturday 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?
Airfare is typical for this route at the moment.
Calgary to Denver flights typically cost between C$ 294 and C$ 533 in October.The cheapest round-trip price found within the last 5 days was C$ 342 on Air Canada (22 Oct-26 Oct).
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 30 September 2026.
The most flights from YYC to DEN are scheduled on a Monday (7 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (3 on average).
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 30 September 2026.
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 flight crew was 30 minutes late to an am flight and then that caused a delay
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 1h 30m 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 756 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 1h 33m. Fly via Delta or United Airlines 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$ 145, Delta will fly you from Calgary to Denver and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Air Canada and United Airlines - these airlines can fly you to your destination from C$ 192 and C$ 212, respectively. Users have found that Delta is 69% cheaper than the other options available to this destination.
What are the cheapest airlines to fly from Calgary to Denver one-way?
C$ 156 is the cheapest one-way deal found within the past few days, from WestJet. You may also be able to find cheap deals on United Airlines and Air Canada, with prices starting from C$ 188 and C$ 225, respectively.
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 Delta (88%), WestJet (88%) or Aeromexico (88%) 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$ 1,234, our data indicates the cheapest price to be C$ 272. The most popular route (Calgary - Denver Intl), is priced around C$ 382.
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, October is the cheapest month in which you can book a flight from Calgary to Denver (average of C$ 394). Flying from Calgary to Denver in December is currently the most expensive (average of C$ 556). 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 30 September 2026.
Browse through other flights departing from Calgary. Flights are based on user searches made on Cheapflights and were last updated on 30 September 2026.
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 7,457,451 searches. Data last updated 30 September 2026.
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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