Denver International Airport (DEN) ranks as the second-largest airport in the world by size, the fifth-busiest airport in the United States and the 20th-busiest airport in the world. Below are the latest updates, and more information on transportation in Denver can be found here.

DEN has the largest domestic network in the U.S., with nonstop service to more than 205 destinations. The airport also has competitive service in 49 of the 50 top markets, resulting in airfares that are nearly 20 percent below the national average!

In 2020, Skytrax World Airport Awards named DEN fifth on its list of best airports with 60 to 70 million passengers and 37th its tally of Top 100 airports in the world.

In 2019, Skytrax World Airport Awards named DEN the best airport in the U.S. It was ranked No. 32 on the list of Top 100 airports in the world.

In 2018, the Wall Street Journal used 15 metrics “to determine which of the 20 largest airports treat travelers better” in its first U.S. airport rankings. DEN came out on top, scoring high on security, on-time reliability, Wi-Fi access and many other key metrics. The airport benefits from competitive airlines that keep costs down. 

In the 2017 World Airport Awards, Denver ranked in the Top 10 for the following categories:

  • Best Airports with 50 million+ Passengers: ranked 3rd, making DEN the highest -rated large American airport
  • Best Airport Staff in North America: ranked 4th behind Seattle and Vancouver
  • Best Regional Airport in North America: ranked 2nd
  • Best Domestic Airport: ranked 2nd, one of only 2 U.S. airports on the list
  • Best Airports in North America: ranked 2nd behind Vancouver
  • World’s Best Regional Airport: ranked 4th, one of only 2 U.S. airports on the list


In the last few years, DEN has added nonstops to Tokyo, Paris, London, Reykjavik, Zurich, Panama City and Calgary, joining routes to Munich, Frankfurt and beyond. The international roster now includes 26 nonstop destinations and double-digit growth in international capacity. 

DEN is in the middle of an aggressive expansion project that will add nearly 40 gates between the three concourses over the next few years, which ensures that this level of accessibility will continue. Add to this a Great Hall expansion that will vastly improve the customer experience.

  • In November 2019, Norwegian Air announced a nonstop flight between Denver and Rome beginning March 2020.
  • In August 2017, WestJet announced that it will begin nonstop service from DEN to Calgary, Canada beginning March 2018.
  • In July 2017, Norwegian Air revealed plans for nonstop service between Denver and Paris, France, beginning in April 2018; Edelweiss Air announced nonstop service to Zurich, beginning June 4, 2018; and United announced seasonal nonstop service to London-Heathrow beginning March 2018.
  • In March 2017, Southwest Airlines launched a seasonal nonstop flight from Denver to Belize City, Belize.
  • In April 2017, Norwegian Air announced a nonstop flight to London-Gatwick from Denver beginning September 2017. 
  • Also in April 2017, Copa Airlines announced a nonstop flight to Panama City from Denver beginning Dec. 11, 2017. This will also provide greater connectivity to various countries in Central and South America.
  • In December 2016, Volaris began nonstop service from Monterrey, Mexico; Great Lakes Airlines began nonstop service to Telluride, Colo.; and Allegiant Air began nonstop service to Montrose, Colo.
  • In October 2016, IcelandAir announced that it would begin service on two additional nonstop flights between Denver and Reykjavik, which began in June 2017, increasing the number of nonstop flights weekly to nine.
  • On June 4, 2016, Air Canada began a nonstop flight from Denver to Montreal.
  • German airline, Lufthansa, launched a nonstop flight from Denver to Munich that began service on May 11, 2016, and increased to daily service in March 2017.



AeroMexico • Air Canada • AirTran • Alaska • American • British Airways • Delta • Frontier • Great Lakes • Icelandair • JetBlue • Lufthansa • Southwest • Spirit • United • US Airways • Volaris  • Copa • Edelweiss/SWISS • Norwegian

Airport Commuter Rail

At a cost of $10.50 each way, travelers can take the commuter rail from Denver Union Station to Denver International Airport and vice versa. The 23-mile ride offers larger trains, traveling at higher speeds than light rail trains. The rail line serves eight total stations, including the new Westin Denver International Airport Hotel, connected to the airport itself.

Airport Westin

The 519-room hotel features 27,500 square feet of meeting space that can accommodate groups up to 800 people and a public plaza.