YYC - DEN

$126 Find Cheap Flights from Calgary to Denver - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$194
Typical prices: $277-$447
Multiple Airlines
Thu 12/13Wed 12/19
YYC - DEN • 1 stop
Cheapest non-stop
$380
Typical prices: $279-$450
United Airlines
Fri 12/21Fri 1/5
YYC - DEN • Non-stop
Advice from real travelers
WestJet Premium adds two checked bags and extra legroom; United sells Economy Plus.
On full United flights, check your bag early if you're in later boarding groups.
Expert advice
+1
Expert advice
+1
Nonstop flights
You can fly direct with United Airlines. Average duration is 2h 35m
Direct flights
+1
Direct flights
+1
When to book
in advance
Our data shows that travelers who book at least 21 weeks in advance save around 58% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 25% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg $248 (round-trip)
Shortest trip • 6h 35m (one-way)
Insights
Insights
Start a new search
KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Denver!
Flight Deals
Booking Insights
Expert advice
Flight Deals

Cheap Flights from Calgary to Denver (YYC-DEN)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Calgary to Denver

Sun, Dec 13 - Sat, Dec 19
Multiple Airlines Logo
8:00 pm - 9:12 amYYC  Calgary-DEN Denver Intl
14h 12m1 stop Phoenix Sky Harbor Intl
Multiple Airlines Logo
10:29 pm - 11:40 pmDEN  Denver Intl-YYC Calgary
24h 11m1 stop Phoenix Sky Harbor Intl
$194Multiple Airlines
Sat, Dec 12 - Sat, Dec 19
Multiple Airlines Logo
9:50 am - 5:48 pmYYC  Calgary-DEN Denver Intl
8h 58m1 stop Phoenix Sky Harbor Intl
Multiple Airlines Logo
10:29 pm - 11:40 pmDEN  Denver Intl-YYC Calgary
24h 11m1 stop Phoenix Sky Harbor Intl
$199Multiple Airlines
Sat, Dec 5 - Mon, Dec 7
Multiple Airlines Logo
2:55 pm - 11:47 pmYYC  Calgary-DEN Denver Intl
9h 52m1 stop Phoenix Sky Harbor Intl
Multiple Airlines Logo
10:42 pm - 10:15 pmDEN  Denver Intl-YYC Calgary
22h 33m1 stop Phoenix Sky Harbor Intl
$202Multiple Airlines
Tue, Dec 1 - Tue, Dec 8
Air Canada Logo
11:55 am - 6:13 pmYYC  Calgary-DEN Denver Intl
7h 18m1 stop Vancouver Intl
Air Canada Logo
8:15 am - 4:28 pmDEN  Denver Intl-YYC Calgary
7h 13m1 stop Vancouver Intl
$362Air Canada
Fri, Nov 27 - Sun, Nov 29
Air Canada Logo
6:00 am - 12:43 pmYYC  Calgary-DEN Denver Intl
7h 43m1 stop Vancouver Intl
Air Canada Logo
8:15 am - 4:29 pmDEN  Denver Intl-YYC Calgary
7h 14m1 stop Vancouver Intl
$362Air Canada
Fri, Nov 27 - Sun, Nov 29
Air Canada Logo
6:45 am - 12:43 pmYYC  Calgary-DEN Denver Intl
6h 58m1 stop Vancouver Intl
Air Canada Logo
8:15 am - 8:35 pmDEN  Denver Intl-YYC Calgary
11h 20m2 stops Vancouver Intl Edmonton
$370Air Canada
Mon, Dec 21 - Tue, Jan 5
United Airlines Logo
7:59 pm - 9:32 pmYYC  Calgary-DEN Denver Intl
2h 33mnonstop
United Airlines Logo
7:10 pm - 10:53 pmDEN  Denver Intl-YYC Calgary
2h 43mnonstop
$380United Airlines
Tue, Dec 22 - Tue, Jan 5
United Airlines Logo
3:06 pm - 4:39 pmYYC  Calgary-DEN Denver Intl
2h 33mnonstop
United Airlines Logo
3:54 pm - 7:37 pmDEN  Denver Intl-YYC Calgary
2h 43mnonstop
$380United Airlines
Thu, Dec 3 - Mon, Dec 7
WestJet Logo
2:25 pm - 11:49 pmYYC  Calgary-DEN Denver Intl
10h 24m1 stop Minneapolis St Paul
WestJet Logo
11:13 am - 10:07 pmDEN  Denver Intl-YYC Calgary
9h 54m1 stop Minneapolis St Paul
$465WestJet
Thu, Dec 3 - Mon, Dec 7
WestJet Logo
11:15 am - 11:49 pmYYC  Calgary-DEN Denver Intl
13h 34m2 stops Vancouver Intl Minneapolis St Paul
WestJet Logo
6:19 pm - 5:30 pmDEN  Denver Intl-YYC Calgary
22h 11m2 stops Minneapolis St Paul Vancouver Intl
$819WestJet
Booking Insights

Price, demand and travel trends for Calgary to Denver flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

What's the cheapest day of the week to fly from Calgary to Denver?

Based on deals KAYAK users found in the last 12 months, Friday is the cheapest day of the week to fly from Calgary to Denver. It’s 9% cheaper than the average day, while Wednesday is the most expensive, with prices 14% higher.

What’s the cheapest month to fly from Calgary to Denver?

•October is the cheapest month to fly from Calgary to Denver at $263 round-trip.
•April ($417) and December ($416) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 58% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from Calgary to Denver the cheapest?

Flights from Calgary to Denver are cheapest 21 weeks before departure. Booking in this window typically costs about 58% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Expert advice

Expert advice for your flight from Calgary to Denver

 
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Stefanie Waldek

Stefanie Waldek

Expert on United Airlines, Air Canada and WestJet

Stefanie Waldek is a freelance space, travel, and design writer based in Saratoga Springs, NY. Her words have appeared in Space.com, Travel + Leisure, Condé Nast Traveler, Architectural Digest, and House Beautiful, among other publications. An expert in aviation and expedition cruising, Stefanie is frequently up in the air or on the sea, likely en route to Antarctica or the Arctic.

Kaitlyn McInnis

Kaitlyn McInnis

Expert on YYC

Kaitlyn is a guidebook author and travel writer splitting her time between Atlantic Canada and Istanbul, Türkiye. She has visited over fifty countries and all seven continents, so she is very familiar with many hotels, airports and airlines around the globe. But her favorite type of vacation is sunbathing by the sea with a good book in hand.

Harriet Baskas

Harriet Baskas

Expert on DEN

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Key details for Calgary to Denver flights

Low season

February

Cheapest flight

$126
Beat the crowds with an average 29% drop in travelers.
The most popular month to fly with an average 39% increase in travelers.
One-way flight from Calgary to Denver

When to book flights from Calgary to Denver

Are your dates flexible? Find out the best times to travel from Calgary to Denver based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Flights from Calgary to Denver: the best tips from KAYAK users' own experiences

Insights shared by verified travelers who flew the route from Calgary to Denver 
Verified travelerFlew with United Airlines-Apr 2026
The Denver airport has many shuttles and is well organized to leave the airport via Uber or bus or train. Just follow the instructions and mind the construction. They even have dedicated baggage pick up for snowboards and skis.
Verified travelerFlew with United Airlines-Aug 2024
Denver International is a really nice airport, but it should be for a hub! A lot of stuff is actually open until 10:30 or 11pm, so that’s nice. Pretty good place to do an overnight layover too…just make sure to get some snacks in case you can’t sleep.
VictoriaFlew with United Airlines-Mar 2024
A tip I have is if you’re in a 4/5 boarding class you might want to check your bag ! There’s not enough room for everyone’s carryon above if it’s a full flight.

Your Calgary to Denver flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What are the earliest and latest flights from Calgary to Denver?

    These are the earliest and latest flight times available from Calgary to Denver:

    • Earliest: departs at 6:00 am and lands at 8:35 am
    • Latest: departs at 7:59 pm and lands at 10:34 pm.

    The flight takes about 2h 35m.

  • What cabin classes can I book on flights from Calgary to Denver?

    Three cabin classes are available on flights from Calgary to Denver:

    • Economy Class
    • Business Class
    • First Class

  • How long is a flight from Calgary to Denver?

    A nonstop flight from Calgary to Denver takes 2h 35m, covering 898 miles.

  • Do I need a passport to fly from Calgary to Denver?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How much should I expect to pay for a Calgary to Denver flight?

    Round-trip flights from Calgary to Denver range from $277 to $447, with an average of $349 over the past 12 months. Anything below $277 counts as a good deal.

  • How expensive are last-minute Calgary to Denver flights?

    Last-minute fares on this route (booked within two weeks of departure) run 50% above the $349 route average. Book 21 weeks before departure for the lowest fares.

  • How much can I save by taking a layover when flying from Calgary to Denver?

    On this route, layover flights are cheaper than nonstop options on average. Layover fares average $248 round-trip via Phoenix Sky Harbor Intl (PHX), compared to $352 for nonstop.

  • What is the standard checked-bag allowance on flights from Calgary to Denver?

    There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $21–$100 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

  • Which aircraft model is used most often on flights from Calgary to Denver?

    The Boeing 737 MAX 8 family is used most often on this route, operated mainly by WestJet and United Airlines. Other aircraft seen on the route include Boeing 737-800 variants.

  • How are flight departures from Calgary to Denver spread across the day?

    Morning is the busiest departure period on Calgary to Denver flights, with 50% of flights leaving in that window. Afternoon departures account for 50%, evening flights for 0%, and night flights for 0%.

  • Have flight prices from Calgary to Denver changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $194 to $1,199. That means the highest observed fare was about 6x higher than the lowest one.

  • Which airlines offer Wi-Fi on Calgary to Denver flights?

    WestJet is the only airline on the Calgary to Denver route offering in-flight Wi-Fi. Pricing depends on fare class.

  • How are flight prices from Calgary to Denver looking right now?

    One-way fares from Calgary to Denver are currently in line with typical prices for this route. Average one-way fares are about $236.

  • What car rental options are available at Denver Intl Airport (DEN)?

    Denver Intl Airport (DEN) hosts 5 major car rental companies, with daily rates averaging $56 for economy cars. Top options include:

    • Routes Car & Truck Rentals
    • Ace
    • Europcar
    • NU Car
    • Hertz

  • Which airports can I use when flying from Calgary to Denver?

    Flights from Calgary to Denver usually depart from Calgary (YYC) and arrive at Denver Intl (DEN).

  • Which airports do connecting flights from Calgary to Denver pass through?

    One-stop flights from Calgary to Denver most commonly connect through:

    • Vancouver Intl (YVR) - 82% of one-stop connections
    • Minneapolis St Paul (MSP) - 13% of one-stop connections
    • Phoenix Sky Harbor Intl (PHX) - 2% of one-stop connections
    • Salt Lake City (SLC) - 2% of one-stop connections

  • Can I save money by using flexible dates for flights from Calgary to Denver?

    Yes. Flexible dates can save you up to 20% on flights from Calgary to Denver. Friday is the cheapest departure day at $319 round-trip on average, while Wednesday is the most expensive at $398, a difference of $79.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What airlines fly from Calgary to Denver?

    Only United Airlines operates flights between Calgary and Denver.

  • How much time can I save by choosing a different layover airport from Calgary to Denver?

    Flying via Edmonton (YEG) gives the shortest average 1-stop total travel time at 6h 35m, compared with 7h 12m via Salt Lake City (SLC) and 7h 22m via Vancouver Intl (YVR).

  • What popular places can I visit in Denver?

    Some of the most popular sights in Denver are Colorado Convention Center, Coors Field and Ball Arena. These are among the most viewed places in Denver on KAYAK.

  • Which airlines offer extra legroom and free seat selection on Calgary to Denver flights?

    Among airlines operating Calgary to Denver flights:

    • United Airlines: offers free seat selection
    • Air Canada: offers extra legroom; offers free seat selection
    • WestJet: offers free seat selection
    • Delta: offers free seat selection

    Extra legroom and free seat selection availability depends on fare class and route.

  • Which airlines include bags at no extra cost on Calgary to Denver flights?

    Here are some options for this route, based on selected ticket types and cabin classes:

    • Air Canada: a cabin bag and a checked bag in Economy Class
    • WestJet: a cabin bag and a checked bag in Economy Class
    • United Airlines: a cabin bag and a checked bag in Business Class

    Bag allowance can vary by ticket type, cabin class, route and airline, so always check the fare details before booking.

Your guide to booking Calgary to Denver flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Friday departure and avoid flying on Wednesday. On this route, Friday flights average $319, about $79 less than Wednesday fares (20% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 21 weeks before you fly. On this route, that window historically saves about 58% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Calgary to Denver trip for October. Fares historically average $263 round-trip in that month - typically $154 less than the most expensive month, which is April (based on the last 12 months).
  • If you have the time, taking a 1-stop flight through Phoenix Sky Harbor Intl Airport (PHX) can be cheaper than flying direct. The cheapest layover option averages $248 round-trip on this route - about $104 less than direct flights (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Denver Intl Airport.

    • The Westin Denver International Airport

Prefer to fly direct from Calgary to Denver?

 
Find which airlines fly direct from Calgary Airport to Denver Intl Airport, which days they fly and book direct flights.

Direct departures

Calgary to Denver Intl

Monday

United Airlines

United Airlines

Tuesday

United Airlines

United Airlines

Wednesday

United Airlines

United Airlines

Thursday

United Airlines

United Airlines

Friday

United Airlines

United Airlines

Saturday

United Airlines

United Airlines

Sunday

United Airlines

United Airlines

See more direct flights

Direct returns

Denver Intl to Calgary

Monday

United Airlines

United Airlines

Tuesday

United Airlines

United Airlines

Wednesday

United Airlines

United Airlines

Thursday

United Airlines

United Airlines

Friday

United Airlines

United Airlines

Saturday

United Airlines

United Airlines

Sunday

United Airlines

United Airlines

See more direct flights

More options for your flight from Calgary to Denver

Complete your trip to Denver with a hotel stay or car rental