C$ 125 Find Cheap Flights from Atlanta to Denver – Compare and Save

Among airlines operating Atlanta to Denver flights:

• Frontier: offers free seat selection
• Delta: offers extra legroom; offers free seat selection
• United Airlines: offers extra legroom; offers free seat selection
• Southwest: offers free seat selection

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

4 airlines operate flights between Atlanta and Denver. The airlines offering direct flights on this route include:

• Delta
• United Airlines
• Southwest
• Frontier

Flights from Atlanta to Denver usually depart from Atlanta Hartsfield-Jackson (ATL) and arrive at Denver Intl (DEN).

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

• Frontier: a carry-on bag and a checked bag in Economy Class
• Delta: a carry-on bag and a checked bag in Economy Class
• United Airlines: a carry-on bag and a checked bag in Economy Class

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

Only Economy Class is available on flights from Atlanta to Denver.

On this route, layover flights are cheaper than direct options on average. Layover fares average C$ 333 round-trip via Detroit Metropolitan Wayne County (DTW), compared to C$ 358 for direct.

There is no standard. Checked bag policies vary by airline on this route. Most carriers charge C$ 38–C$ 139 for the first checked bag in economy. Premium fares and elite status bookings typically include a free checked bag.

The Airbus A321neo family is used most often on this route, operated mainly by Frontier and Delta. Other aircraft seen on the route include Airbus A321-100/200 variants.

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

• Dallas/Fort Worth (DFW) – 18% of one-stop connections
• Minneapolis St Paul (MSP) – 18% of one-stop connections
• Lambert-St Louis (STL) – 18% of one-stop connections
• Chicago O'Hare Intl (ORD) – 11% of one-stop connections

Dallas/Fort Worth (DFW) handles the largest share of one-stop connections on this route.

Yes. Being flexible with your travel dates can save you up to 26% on the Atlanta to Denver route. Wednesday is the cheapest departure day at C$ 307 round-trip on average, while Sunday is the most expensive at C$ 413, a difference of C$ 106. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the Atlanta to Denver route, 15% of flights were delayed in the past 3 months, with delays averaging 2 hours 29 minutes.

Morning is the busiest departure period on Atlanta to Denver flights, with 41% leaving in that window. Afternoon departures account for 27%, Evening flights for 26%, and Night flights for 6%.

Some of the most popular sights in Denver are Colorado Convention Center, 16th Street Mall, and Sheraton Denver Downtown Hotel. These are among the most viewed places in Denver on KAYAK.

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

• Earliest: departs at 5:01 am and lands at 8:22 am
• Latest: departs at 10:32 pm and lands at 1:53 am.

The flight takes about 3h 21m.

Last-minute fares on this route – booked within 2 weeks of departure – run 29% above the route average of C$ 359. Book 6 weeks before departure for the lowest fares.

A direct flight from Atlanta to Denver takes 3h 21m, covering 3,099 km.

No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

One-way fares from Atlanta to Denver are currently lower than usual. Average one-way flight prices are about C$ 148, which is 43% below the typical average for this route.

United Airlines is slightly above the route average for timely arrivals, while Delta has a lower on-time arrival rate. On-time arrival rates on Atlanta to Denver flights are:

• United Airlines: 89% on time
• Delta: 86% on time
• Frontier: 82% on time

On average, flights on this route are punctual 85% of the time.

Morning flights have the fewest delays on this route. Delays tend to pile up throughout the day as one late flight pushes the next, so earlier departures are usually more reliable.

Flying via Kansas City (MCI) gives the shortest average 1-stop total travel time at 4h 55m, compared with 5h 37m via Cincinnati Cinci./N. Kentucky (CVG) and 5h 55m via Dallas/Fort Worth (DFW).

Denver is 2 hours behind Atlanta (Mountain Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

Denver Intl Airport (DEN) hosts 5 major car rental companies, with daily rates starting from around C$ 22 for economy cars. Top options include:
• Routes Car & Truck Rentals
• Ace
• NU Car
• Europcar
• Hertz

Round-trip flights from Atlanta to Denver range from C$ 240 to C$ 507, with an average of C$ 359 over the past 12 months. Anything below C$ 240 counts as a good deal.

Two airlines offer in-flight Wi-Fi on Atlanta to Denver flights:

• • Delta
• • JetBlue