Colorado has a strong network of airports throughout the state, making it easy for travelers to reach popular destinations like Denver, Aspen, and Colorado Springs. Whether someone is flying for business or planning a mountain getaway, there are options for both large commercial flights and smaller regional connections. Denver International Airport (DEN) is the largest and busiest, serving as a major hub for flights across the country and the world.

In addition to Denver, other significant airports include Aspen-Pitkin County Airport (ASE) for those visiting the mountains, City of Colorado Springs Municipal Airport (COS) in southern Colorado, and several smaller airports in areas like Cortez. Visitors can find more information about these Colorado airports if they want to compare locations and options.

Travelers will find that most areas in Colorado are accessible by air, making the state practical for both quick visits and extended stays. Colorado’s airports help connect its cities, scenic sites, and outdoor adventures, making travel more convenient for everyone.

Major Airports in Colorado

Colorado features several important airports that connect the state with national and international destinations. Travelers will find a variety of airlines, flight options, and amenities in these airports, making it easy to access both urban and mountain regions using air travel.

Denver International Airport (DEN)

Denver International Airport (DEN) is the busiest airport in Colorado and one of the largest in the United States. Located northeast of downtown Denver, DEN covers 33,531 acres, making it the largest airport by area in North America.

This airport serves as a major hub for United Airlines, Southwest Airlines, and Frontier Airlines. Passengers can fly nonstop to over 200 destinations across North America, Europe, Asia, and Latin America. DEN is known for its unique peaked roof design, which resembles the Rocky Mountains.

Denver International also provides a wide variety of amenities, such as shops, restaurants, pet relief areas, free Wi-Fi, and modern lounges. The airport is connected to downtown Denver by the A Line train, which makes commuting quick and simple for travelers and locals.

For more details on flights, shops, and amenities, visit the Denver International Airport’s official website.

Colorado Springs Airport

Colorado Springs Airport (COS) is the primary airport serving the southern region of Colorado. It is located about 10 miles southeast of downtown Colorado Springs and is an important travel hub for the Pikes Peak area and southern Front Range.

Major airlines at COS include American, United, Southwest, and Delta, offering nonstop flights to major cities like Denver, Dallas, Phoenix, and Chicago. The airport is smaller and less crowded than DEN, allowing for shorter wait times and a more relaxed travel experience.

Facilities at COS include free Wi-Fi, car rental agencies, restaurants, and a business center. Parking is available on site, and the terminal is easy to navigate. The location also makes it convenient for those visiting Colorado Springs’ popular attractions, such as Garden of the Gods and the U.S. Air Force Academy.

For further information about airlines and services, check the list of airports in Colorado.

Grand Junction Regional Airport

Grand Junction Regional Airport (GJT) is the largest airport in western Colorado. Located near downtown Grand Junction, this airport is a gateway to the Colorado National Monument and the state’s wine country.

GJT is served by several major airlines, such as American, United, and Delta. The airport offers regular flights to cities like Denver, Dallas, Phoenix, and Salt Lake City.

Travelers can access amenities such as rental car services, a café, meeting rooms, and free Wi-Fi. Grand Junction Regional often has less congestion and provides scenic views of nearby mesas and plateaus upon takeoff and landing. It’s a convenient choice for travelers heading to western Colorado and eastern Utah.

A full list of Colorado airports and services can be explored at Uncover Colorado’s map of commercial airports.

Regional and Local Airports

Regional airports in Colorado connect small communities to bigger cities. Each airport offers unique features, flight options, and services important for locals and travelers.

Aspen/Pitkin County Airport

Aspen/Pitkin County Airport, also called Sardy Field, sits just a few miles from downtown Aspen. It is known for its convenience and short travel time to local ski resorts. Travelers often use this airport during the winter as it serves popular flight routes from cities like Denver, Dallas, and Los Angeles.

Commercial airlines such as United and American Airlines offer regular flights, especially in the busy ski season. The single runway can handle small to mid-sized jets. Due to strict noise and landing regulations, only certain aircraft are allowed to operate.

The airport offers car rentals, taxis, shuttle services, and limited dining options. Weather can cause delays or cancellations, especially during snowstorms. Many flyers choose Aspen/Pitkin for its quick access to local hotels and ski slopes.

Telluride Regional Airport

Telluride Regional Airport is one of the highest commercial airports in North America. It stands at nearly 9,000 feet above sea level, making landing and takeoff a unique experience for pilots and passengers. This airport mainly serves travelers heading to Telluride and Mountain Village, both popular ski and summer destinations.

The terminal is small but modern, with basic amenities like a café, rental car services, and free Wi-Fi. Boutique Air and private charters frequently use the airport, offering flights to Denver and other select cities.

Due to its elevation and surrounding mountains, weather impacts flight operations more often than at lower elevation airports. Safety measures are strict, and pilots need extra training for this location.

Eagle County Regional Airport

Eagle County Regional Airport, located near Vail, provides a gateway to ski towns such as Beaver Creek and Vail. It operates commercial flights mainly in the winter and summer, connecting visitors to cities like Dallas, Miami, Chicago, and Los Angeles. United, American, and Delta are common carriers.

The airport features a modern terminal, baggage claim, multiple car rental desks, and on-site parking. Dining options, free Wi-Fi, and ground transportation help travelers stay comfortable. Larger jets can land here due to the longer runway, compared to other mountain airports.

Weather delays can occur, but the airport is well-equipped to manage heavy snow and busy ski seasons. Visitors appreciate the short drive from the airport to resorts, making travel easier for groups and families.

Airport Services and Facilities

Airports in Colorado offer many helpful services to make traveling smoother and more comfortable. Travelers can find food, shops, and places to rest, as well as options to get to and from the airport and affordable places to park.

Passenger Amenities

Most major Colorado airports, including Denver International Airport (DEN), provide a wide range of passenger amenities. These include free Wi-Fi, spacious waiting areas, and areas for kids and families. Travelers at DEN have access to many restaurants and shops for meals, snacks, or last-minute gifts.

Other useful services include lost and found, pet relief areas, charging stations, and nursing rooms. If you need to exchange currency or mail a package, you can find these services at larger airports like DEN. Learn more about DEN’s passenger services and amenities.

Colorado Springs Airport and smaller regional airports also have important amenities, with ATMs, baby changing rooms, and spaces designed for families and business travelers. Clean restrooms and clear signs help make the airport experience less stressful.

Ground Transportation

Denver International Airport (DEN) is a large hub, offering multiple choices for ground transportation. Taxis, rideshare services, and airport shuttles are all available. You can also reach downtown Denver by train on the A Line, which is fast and convenient.

At most Colorado airports, rental cars are easy to find, making it simple to drive yourself to your destination. Bus options connect DEN with nearby cities and towns. For those flying United Airlines, shuttle service between the terminal and United’s gates is provided.

Smaller airports like Colorado Springs Airport also have taxis, shuttles, and car rentals available. The focus is on smooth, quick trips from the airport to your next stop, with clearly marked pick-up zones and friendly staff.

Parking Options

Denver International Airport offers several parking choices to suit different needs and budgets. These include garages with covered spaces, economy lots for lower rates, and shuttles to each terminal. Prices and lot locations are posted at the airport entrances to help you decide quickly.

Short-term parking is close to the terminal, which is best for picking up or dropping off friends and family. Long-term parking areas are more affordable for travelers going on trips longer than a day. Extra features like electric vehicle charging and security patrols help keep vehicles safe.

Colorado Springs Airport and other smaller airports provide parking lots located near the terminal for easy access. Most spaces are within walking distance, and the lots are well-lit and monitored. For more details on parking and other airport facilities at DEN, visit their list of restaurants, shops, and car rentals.

Airlines Operating in Colorado

Several airlines operate in Colorado, offering direct and connecting flights within the state and across the country. Denver International Airport is the main hub, with other airports in cities like Colorado Springs and Grand Junction served by both large and regional airlines.

United Airlines

United Airlines has a major hub at Denver International Airport, making it the largest carrier based in Colorado. It provides a wide selection of nonstop and connecting flights, both domestic and international.

Frequent destinations from Denver include Chicago, Houston, Los Angeles, and New York. United also offers direct flights to cities in Europe and Asia.

Passengers often choose United for its extensive route network and regular schedules. The airline has a large presence not only in Denver but also serves other regional airports within Colorado.

Other Major Carriers

Several other large airlines travel to and from Colorado. These include Delta Air Lines, American Airlines, Southwest Airlines, and Allegiant Airlines.

Delta and American have daily flights to major U.S. cities from Denver and Colorado Springs. Southwest offers many budget-friendly flights within the western and central parts of the country.

Allegiant Airlines connects secondary cities such as Colorado Springs with destinations like Phoenix, Orange County, and Tampa. Each major carrier brings specific routes and features, giving travelers plenty of choices.

Regional Airlines

Regional airlines help connect smaller towns in Colorado to bigger hubs like Denver. These include United Express, American Eagle, and Delta Connection.

They use smaller planes and typically offer shorter, direct routes. Key airports such as Grand Junction Regional are served mainly by these regional carriers.

Regional flights are important for reaching mountain towns and rural areas. These services support business travel, tourism, and provide critical links when road travel is difficult, especially in winter months.

Airport Codes and Locations

Airport codes help travelers quickly identify airports and book flights. Colorado uses three-letter codes for all public airports, and each code is unique to that location.

Major Airport Codes

Denver International Airport (DEN) is the largest airport in Colorado and one of the busiest in the United States. The code “DEN,” also referred to as “KDEN” for its ICAO designation, is well-known for both domestic and international flights. DEN serves as a major hub for airlines and offers the most connections across the country and abroad.
Colorado Springs Airport (COS) is the second largest in the state. The code “COS” stands for City of Colorado Springs Airport. This airport is popular for travelers heading to southern Colorado and experiences significant traffic for both leisure and business flight connections.
Aspen/Pitkin County Airport (ASE) is another important airport, especially during the winter ski season. The code “ASE” is used for flights coming into Aspen, serving as the gateway to the Rockies for many visitors.
For a full list and more details about Colorado’s primary airport codes, visit this comprehensive list of Colorado airports.

Regional Airport Codes

Regional airports in Colorado help connect smaller cities and rural areas to major hubs. These airports often use shorter runways and see fewer passengers compared to the big cities.
Some key regional codes include:

  • Durango–La Plata County Airport (DRO) – Located in southwestern Colorado, DRO connects travelers to the Four Corners region and offers direct flights to hubs like Denver and Dallas.
  • Eagle County Regional Airport (EGE) – Serving the Vail and Beaver Creek areas, EGE sees a surge in flights during ski season.
  • Pueblo Memorial Airport (PUB) – PUB supports southern Colorado with flights to other regional centers.
  • Cortez Municipal Airport (CEZ) – Located in the southwest, CEZ is important for reaching Mesa Verde National Park.
    A detailed listing of smaller airports and their codes, including regional and municipal locations, can be found at FlightAware’s Colorado airports page.

Airport Accessibility and Transportation

Several Colorado airports, such as Denver International Airport and Colorado Springs Airport, provide accessible features and various transportation options for travelers. Accessible restrooms, shuttle services, and multiple ground transportation choices are available to meet different needs.

Public Transportation

Public transportation options vary by airport location. Denver International Airport (DIA) is well-served by the RTD A Line commuter rail, which links the airport to downtown Denver and stops in areas like Englewood and Broomfield. Trains run every 15 to 30 minutes and are fully accessible, making it easier for travelers with mobility devices.

Major city buses also stop at and near DIA, offering additional routes to different parts of Denver. For visitors arriving at Colorado Springs Airport, several accessible ground transportation providers operate 24 hours a day, making it possible to reach destinations across the region conveniently.

Top public transportation features at busy Colorado airports include:

  • Wheelchair-accessible trains and buses
  • Frequent service schedules
  • Clear signage in terminals
  • Designated pick-up and drop-off zones

Travelers needing extra help at Denver International Airport can also use accessibility services, which provide assistance through security and more.

Rental Car Services

Most major Colorado airports have several rental car agencies on-site. At Denver International Airport, passengers can use a free, accessible shuttle that connects the terminal to large rental car centers located nearby. Rental car counters offer vehicles with hand controls, and some agencies supply wheelchair-accessible vans upon request.

Travelers at Colorado Springs Airport will also find rental car options with accessible shuttle service from parking lots to terminal entrances. Agencies usually recommend booking accessible vehicles in advance to ensure availability.

Key points about rental car services:

  • Accessible parking and shuttle buses
  • Hand-control cars and vans are available
  • Easy-to-find rental counters
  • Staff trained to assist travelers with disabilities

Whether arriving in Englewood or Broomfield through smaller airports or using major hubs like DIA, travelers can expect helpful amenities that support smooth and accessible travel experiences.

Elevation and Weather Considerations

Colorado’s airports deal with unique challenges due to their high elevations and changing mountain weather. Elevation affects aircraft performance, and weather patterns often require pilots and travelers to plan with care.

Airport Elevations

Many airports in Colorado sit at higher elevations compared to most airports in the United States. For example, Denver International Airport is located at about 5,400 feet above sea level, which means airplanes experience thinner air and lower oxygen levels. This can affect how engines operate and how much runway is needed for takeoff and landing.

Aspen/Pitkin County Airport is even higher, reaching over 7,800 feet. Airports like Saguache Municipal Airport rise above 7,800 feet as well. High elevation airports change basic flight planning because aircraft climb more slowly, may need longer distances to take off, and carry lighter passenger or cargo loads.

A short list of major Colorado airport elevations:

  • Denver International Airport: ~5,400 feet (National Weather Service)
  • Aspen/Pitkin County Airport: ~7,815 feet
  • Saguache Municipal Airport: ~7,850 feet

Weather Impact on Flights

Weather in Colorado changes quickly and can be unpredictable. Winter storms, sudden fog, and strong winds affect airports, especially those near the mountains. Denver often sees snow, hail, or thunderstorms, which can cause flight delays or cancellations. High elevation airports may also see more turbulence and wind shear, especially in spring and fall.

Pilots flying into airports like Aspen must watch for strong crosswinds and rapid changes in visibility. The combination of high elevation and tricky weather makes flying in Colorado more demanding. Real-time updates from airport weather systems help pilots and travelers stay safe and plan accordingly. Up-to-date conditions for locations like Denver International Airport are provided by automated systems and can be found online (Denver International Airport climate details).

Airport Traffic and Passenger Statistics

Colorado airports experience heavy traffic, with millions of passengers moving through each year. Airport activity varies by location, season, and the size of the facility.

Annual Passenger Numbers

Denver International Airport (DEN) is the busiest airport in Colorado and one of the top in the United States. In 2024, DEN set a new record by handling 82,358,744 passengers, which was a 5.8% increase over the previous year. This growth is significant when compared to the 77,837,917 passengers in 2023. More details about this record-breaking year can be found through the official DEN passenger traffic report.

Other airports in Colorado, like Colorado Springs Airport (COS) and Aspen/Pitkin County Airport (ASE), see much lower passenger numbers than DEN. However, they are still vital for regional connections, tourism, and business travel. Data is tracked closely by the Federal Aviation Administration (FAA), which helps compare trends from year to year.

Peak Travel Times

Peak travel times at Colorado airports tend to follow holiday schedules, school vacations, and local events. DEN sees its highest passenger traffic in the summer and around major holidays such as Thanksgiving and Christmas. For the first half of 2024, nearly 40 million passengers traveled through DEN, showing a strong demand during this period. You can review the monthly stats at DEN’s first half 2024 record.

Smaller airports also experience busy periods, especially during ski season and summer festivals. Flight arrivals and departures rise sharply during these times, and airlines often add temporary flights to meet demand. It is smart for travelers to prepare for longer wait times and full flights during these peak periods.

Safety, Security, and Regulations

Airports in Colorado must follow strict rules to protect travelers and staff. Federal and local guidelines shape how airport operations, security, and safety are handled at major hubs like Denver International and regional airports as well.

Federal Aviation Administration Guidelines

The Federal Aviation Administration (FAA) sets the main rules for airport safety and air travel in the United States. It requires airports to have emergency plans, regular inspections, and strict maintenance schedules. This ensures that runways, taxiways, and airport structures stay safe for all users.

FAA guidelines also cover air traffic procedures, aircraft operations, and wildlife management. Airport operators in Colorado follow these regulations as part of their daily routines. For example, staff must report hazards and follow detailed procedures for emergencies like fires or severe weather.

Colorado airports must also comply with training requirements set by the FAA. This includes training for security officers, ground crews, and maintenance teams. These steps work together to keep air travel safe and efficient across the state.

Security Procedures

All Colorado airports must follow federal rules for passenger and baggage screening. The Transportation Security Administration (TSA) uses metal detectors, X-ray machines, and other technology to check for dangerous items.

Airports like Denver International have their own rules and regulations to manage access and control movement inside the terminal. Authorized badges are issued for staff, and certain secure areas require extra permissions to enter.

Passengers are asked to remove their shoes and belts during screening. Liquids must be in containers of 3.4 ounces or less, fitting in a single quart-size bag. Airport safety measures include reporting any suspicious activity through apps or hotlines. These steps help keep all travelers and employees safe throughout their journey.

Future Developments at Colorado Airports

Colorado airports are seeing major changes to meet rising demand and new standards. Large airports are expanding, while many aviation centers increase efficiency and cut environmental impact.

Expansion Projects

Denver International Airport (DEN) is currently undergoing several large-scale renovations and improvements. The Great Hall project is one of the largest, designed to make passenger check-in and security faster and more comfortable. New hotels, technology upgrades, and more gates are being added to manage increases in travelers.

Other Colorado airports are also growing. Runways and terminal buildings are being expanded at different locations. This helps to support both passenger flights and cargo operations. In total, dozens of development projects are active at DEN and across the state.

These efforts aim to keep Colorado airports safe, secure, and ready for the future. Infrastructure plans make travel smoother and help airports handle more flights during peak times.

Sustainability Initiatives

Many airports in Colorado, including DEN, are investing in environmentally friendly projects. There are new efforts to use renewable energy, like solar panels for power on airport property. Some airports have switched to electric vehicles for shuttle buses and ground support.

Reducing waste is also a focus. Airports are increasing recycling stations and working with airlines to cut single-use plastics. Programs to save water and use less energy help lower the impact on the environment.

The goal is to make airport operations less harmful and support Colorado’s goals for sustainability. These projects help the state’s airports prepare for the future while taking care of local communities and natural resources. More information about these steps can be found in Denver’s projects and infrastructure improvements.

Frequently Asked Questions

Colorado has several airports that serve both international and regional travelers. Flight schedules, airline service, and airport locations play a big role in how people choose where to fly.

What are the major airports located in Colorado?

Denver International Airport (DEN) is the largest airport in Colorado and one of the busiest airports in the country. Colorado Springs Airport (COS) and Grand Junction Regional Airport (GJT) also serve a high number of travelers each year. Aspen/Pitkin County Airport (ASE) and Eagle County Regional Airport (EGE) are important for regional flights, especially during ski season.

Can you list the international airports in Colorado?

Denver International Airport is the primary international airport in Colorado. It serves flights to cities in Canada, Europe, Latin America, and sometimes Asia. Some smaller airports like Colorado Springs may offer limited international service, but DEN is the main hub for international travel. More facts about Denver International are available from the official airport FAQs.

Which Colorado airports are closest to ski resorts?

Aspen/Pitkin County Airport is about three miles from Aspen Mountain and serves skiers heading to the area. Eagle County Regional Airport provides access to Vail and Beaver Creek. Montrose Regional Airport is popular for Telluride and Crested Butte, while Steamboat Springs is served by Yampa Valley Regional Airport.

Where does Southwest Airlines operate within Colorado?

Southwest Airlines operates out of Denver International Airport, which offers the most flight options. Southwest also has flights at Colorado Springs Airport and sometimes at Montrose Regional Airport, depending on the season and demand.

What are the most cost-effective cities to fly into in Colorado?

Flights into Denver International Airport are usually less expensive because it is a major hub with many flights each day. Colorado Springs can also have competitive prices, especially for domestic trips. Arriving at airports closer to ski resorts often costs more, but it may save on ground transportation.

How do departure schedules vary among different airports in Colorado?

Major airports like Denver International have flights leaving throughout the day and night. Smaller airports, such as those in Aspen and Eagle, offer fewer flights, mostly timed for arrivals and departures that fit the needs of tourists and local residents. Some ticket counters at these airports open about 90 minutes before the first flight, as explained on the Colorado Springs Airport FAQ page.