Flying From Atlanta to Denver: A Complete Guide to ATL–DEN Flights

If you’re planning a trip from Atlanta to Denver, you’ll be flying one of the busiest routes out of Hartsfield–Jackson Atlanta International Airport (ATL). Whether you live in metro Atlanta, are here on business, or are just passing through, understanding your options for flights to Denver from Atlanta can save you time, stress, and money.

Below is a practical, Atlanta-focused guide to this route—how long it takes, which airlines fly it, tips for getting to ATL, when to book, and what to expect when you land in Denver.

Overview: What to Expect on Atlanta–Denver Flights

Flights from Atlanta to Denver are nonstop, frequent, and competitive, especially from major carriers.

Key facts:

  • Departure airport: Hartsfield–Jackson Atlanta International Airport (ATL)
  • Arrival airport: Denver International Airport (DEN)
  • Typical flight time: About 3 to 3.5 hours nonstop
  • Distance: Roughly 1,200 miles
  • Time zone shift: Denver is in Mountain Time, 2 hours behind Atlanta (Eastern Time)

For Atlantans, this means you can often leave in the morning and arrive in Denver with much of the day still ahead of you.

Airlines & Flight Options from Atlanta to Denver

Several major airlines operate daily nonstop flights from ATL to DEN, plus additional one-stop options through their hubs.

While available airlines can change, travelers commonly find:

  • Nonstop flights: Multiple daily options on major U.S. carriers
  • One-stop flights: Connections through cities like Dallas, Houston, Charlotte, Chicago, or Phoenix

If you live in Atlanta, nonstop flights are usually the easiest choice. If you’re visiting Atlanta and continuing to Denver, you might see more options through connecting hubs depending on your ticket.

Typical Flight Types

You’ll usually see:

  • Basic economy: Lower cost, fewer changes allowed, back-of-cabin seats, limited flexibility
  • Main cabin / standard economy: Standard seating with more flexibility to change
  • Comfort / extra legroom options: Slightly higher price for more space
  • Business or first class: More comfort, priority services, higher price

For a 3–3.5 hour flight, Atlanta travelers often choose between standard economy and extra-legroom seating, depending on budget and comfort priorities.

When to Fly: Best Times for Atlanta–Denver Trips

Time of Day

From Atlanta, flights to Denver commonly operate throughout the day:

  • Morning departures: Good for maximizing your first day in Denver and avoiding afternoon thunderstorms.
  • Midday departures: Convenient if you’re driving in from outside the city or using MARTA after rush hour.
  • Evening departures: Useful if you’re working a full day in Atlanta before travel, but be mindful of potential delays, especially during stormy summer afternoons.

Tip: If you need to connect to mountain towns (like Boulder, Colorado Springs, or ski areas) by shuttle or car, earlier arrivals in Denver can be more convenient—especially in winter.

Time of Year

Atlanta-based travelers should consider Denver’s seasonal patterns:

  • Winter (Dec–Feb): Popular for ski trips; Denver and mountain passes can see snow and delays.
  • Summer (Jun–Aug): Busy with outdoor tourism; Denver is warm but generally drier than Atlanta.
  • Spring & Fall: Often milder, with a mix of leisure and business travel.

If your dates are flexible, you may find better fares midweek (Tuesday–Thursday) and outside peak holiday or ski season weekends.

How Long Is the Flight from Atlanta to Denver?

A nonstop flight from ATL to DEN typically takes:

  • Airborne time: Around 3 to 3.5 hours
  • Gate-to-gate time: Plan on 3.5 to 4.5 hours, depending on taxi time and air traffic

For planning from Atlanta:

  • For a morning flight, aim to arrive at ATL 2 hours before departure for domestic flights.
  • If you’re checking bags, traveling at peak times, or unfamiliar with ATL, build in extra buffer time—especially if driving in from suburbs like Marietta, Gwinnett, or Fayette County during rush hour.

Getting to Hartsfield–Jackson (ATL) from Around Atlanta

Because Hartsfield–Jackson Atlanta International Airport is south of downtown, your best route depends on where you’re coming from in metro Atlanta.

Airport address:
Hartsfield–Jackson Atlanta International Airport (ATL)
6000 N Terminal Pkwy
Atlanta, GA 30320

MARTA to the Airport

For many Atlantans and visitors staying in-town, MARTA is often the easiest way to reach ATL.

  • Train line: Take the Red or Gold Line directly to Airport Station (inside the Domestic Terminal).
  • From Midtown / Buckhead / Downtown: Trains run frequently, and the ride usually takes 15–30 minutes depending on your starting station.
  • Connection to the International Terminal: Use the airport’s free shuttle between Domestic and International terminals if needed.

This is especially convenient if you’re staying near MARTA-accessible areas like Downtown Atlanta, Midtown, Buckhead, Sandy Springs, or near Lindbergh Center.

Driving & Parking

If you live in the Atlanta suburbs or are coming from farther out (Athens, Macon, Newnan, etc.), you may prefer to drive.

Key options:

  • On-site parking: Daily, hourly, economy, and park-ride lots around ATL.
  • Off-site parking: Many private lots near the airport offer shuttles to the terminals.
  • Rideshare / taxi: Uber, Lyft, and taxis frequently serve both Domestic and International terminals; this can be easier than long-term parking for shorter trips.

🔹 Tip for peak Atlanta traffic: If your flight to Denver is early morning, consider southside lodging (College Park, Hapeville, or near Airport Blvd) to minimize rush-hour delays on I‑75, I‑85, or downtown connectors.

Domestic vs. International Terminal for Denver Flights

Flights from Atlanta to Denver are domestic, so you’ll generally use:

  • The Domestic Terminal (North or South)
  • Airlines are divided by terminal—check your airline in advance so you head to the correct side.

Once inside, follow signs to:

  • Security checkpoints
  • Your concourses (T, A, B, C, D, E, or F) via the Plane Train or pedestrian walkways

Even though Denver is domestic, some carriers may use Concourse F (often associated with international flights). Your boarding pass and the airport departure boards will show the correct gate.

Costs & How to Find Better Fares from Atlanta to Denver

Prices on ATL–DEN flights vary based on demand, timing, and how far in advance you book.

Factors That Affect Price

  • Travel dates: Weekends, holidays, and peak ski or summer seasons often cost more.
  • Time until departure: Booking closer to your travel date can raise prices.
  • Flight time: Early morning and late-night flights are sometimes cheaper than midday peaks.

Practical Tips for Atlanta Travelers

  • Check multiple days: Shifting your trip even by a day or two can reduce fares.
  • Look at nearby date options: If you’re flexible, scan a week or month at a time.
  • Compare nonstop vs. one-stop: Nonstops are more convenient but sometimes higher-priced; one-stop itineraries can be cheaper but add time and potential for delays.

If you’re traveling from Atlanta with family or a group, you may also want to:

  • Compare total trip cost, including:
    • Checked baggage
    • Seat selection fees
    • Airport parking or MARTA fare

Sample ATL–DEN Planning Snapshot

Here’s a simple planning snapshot to help Atlantans think through the trip:

Trip ElementTypical Range / Consideration
Flight length~3–3.5 hours nonstop
Time zone differenceDenver is 2 hours behind Atlanta
Check-in timingArrive at ATL ~2 hours before departure
Getting to ATLMARTA, rideshare, taxi, or driving/parking
Best for ski tripsWinter flights (watch weather & mountain conditions)
Best for hiking/outdoorsLate spring through early fall

Use this as a quick mental checklist when choosing flight times and planning your transportation to and from the airports.

What to Expect at Hartsfield–Jackson (ATL) Before Your Flight

Because ATL is one of the world’s busiest airports, Atlanta travelers should plan for:

  • Security lines: Can be long at peak times (early morning, late afternoon, Mondays, Fridays).
  • Concourse layout: Once past security, you’ll use the Plane Train or walkways to reach your concourse.
  • Food & services: ATL has a wide range of restaurants, shops, and services if you arrive early.

If you’re visiting Atlanta and unfamiliar with the airport:

  • Signs clearly mark baggage check, security, and concourses.
  • Ask airport information desks for help if you’re navigating between Domestic and International terminals or connecting flights.

Arriving in Denver: Ground Transportation Back-to-Back with Atlanta

When you land at Denver International Airport (DEN) from Atlanta, you’ll usually arrive at one of the main concourses and then:

  • Take the train to the main terminal (Jeppesen Terminal).
  • Pick up checked bags at baggage claim.

From DEN, you can choose:

  • Airport train to downtown Denver: A rail service connects the airport to Denver Union Station.
  • Rental cars: Major rental agencies are available via shuttle.
  • Shuttles, rideshare, or taxis: Options to downtown Denver or mountain destinations.

If you’re connecting back to Atlanta later in the week or for a return trip, plan similar airport arrival timing as you would in Atlanta—about 2 hours before departure for domestic flights.

Tips for Atlantans Traveling to Denver’s Higher Elevation

Denver is known as the “Mile-High City”, with an elevation of about 5,280 feet. While this isn’t extreme altitude, it is noticeably higher than Atlanta.

Consider:

  • Hydration: Drink water on the flight and after arrival.
  • Pace yourself: If you’re going straight from Atlanta to outdoor activities in Denver or the mountains, plan lighter activity your first day if possible.
  • Weather differences: Denver’s air is typically drier and can feel cooler in the evenings, even in summer, compared with humid Atlanta.

If you’re heading to even higher elevations (for example, ski resorts in the Rockies), factor extra time and rest after you land in Denver before intense activity.

Planning Your Atlanta–Denver Trip Step-by-Step

For someone based in or visiting Atlanta, here’s a simple way to plan:

  1. Choose your dates based on why you’re going (skiing, work, hiking, visiting family).
  2. Compare nonstop and one-stop options from ATL to DEN.
  3. Decide how you’ll get to ATL:
    • MARTA from Midtown/Downtown/Buckhead
    • Rideshare or taxi from metro areas
    • Drive and park if coming from suburbs or out of town
  4. Leave enough time for ATL’s security and size—arrive at the airport about 2 hours early.
  5. Plan your arrival in Denver:
    • Choose between the airport train, shuttle, rental car, or rideshare
    • Adjust plans for the time zone change and higher elevation

By keeping the Atlanta-specific logistics in mind—especially getting to and from Hartsfield–Jackson and working around local traffic—your flight from Atlanta to Denver can be a smooth part of your overall trip instead of a stress point.