$123 Find Cheap Flights from Calgary to Denver - Compare and Save

Among airlines operating Calgary to Denver flights:

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

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

2 airlines operate flights between Calgary and Denver. The airlines offering nonstop flights on this route include:

• United Airlines
• WestJet

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

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

• WestJet: a cabin bag and a checked bag in Economy Class
• Air Canada: a cabin bag and a checked bag in Economy Class
• Delta: a cabin bag and a checked bag in First Class

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

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

• Economy Class
• First Class

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 $341 for nonstop.

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.

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

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

• Vancouver Intl (YVR) - 80% of one-stop connections
• Minneapolis St Paul (MSP) - 15% of one-stop connections
• Phoenix Sky Harbor Intl (PHX) - 2% of one-stop connections
• Salt Lake City (SLC) - 2% of one-stop connections

Vancouver Intl (YVR) handles the largest share of one-stop connections on this route.

Yes. Being flexible with your travel dates can save you up to 24% on the Calgary to Denver route. Friday is the cheapest departure day at $305 round-trip on average, while Wednesday is the most expensive at $397, a difference of $92. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

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%.

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

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

• Earliest: departs at 6:00 am and lands at 8:34 am
• Latest: departs at 3:06 pm and lands at 5:40 pm.

The flight takes about 2h 34m.

Last-minute fares on this route - booked within 2 weeks of departure - run 52% above the route average of $340. Book 21 weeks before departure for the lowest fares.

A nonstop flight from Calgary to Denver takes 2h 34m, covering 898 miles.

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.

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $206 to $1,392. That means the highest observed fare was about 7x higher than the lowest one.

One-way fares from Calgary to Denver are currently lower than usual. Average one-way flight prices are about $135, which is 37% below the typical average for this route.

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

Denver Intl Airport (DEN) hosts 5 major car rental companies, with daily rates starting from around $16 for economy cars. Top options include:
• Routes Car & Truck Rentals
• Ace
• NU Car
• Europcar
• Hertz

Round-trip flights from Calgary to Denver range from $269 to $433, with an average of $340 over the past 12 months. Anything below $269 counts as a good deal.

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