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Cheap Flights to Denver - International, United States (USA). Return Flights.

Here are the cheapest airfare deals to Denver - International. View Flights to United States (USA)

Route Cheapest Adult Fare
San Francisco (SFO) to Denver - International$181Select
Sacramento (SMF) to Denver - International$200Select

Denver Travel Information

Denver sits just east of the majestic Rocky Mountains; known as the "Mile High City," it's known for its crisp mountain air and spectacular scenery. The city was founded in the mid-19th century as a mining town, and Denver residents remain proud of their rugged frontier history.

Denver's peak tourist season is winter, from late November to January. During these months, skiers and snowboarders flock to the city, using it as a base for trips into the snow-covered Rocky Mountains. Most of the ski resorts are west of Denver in Summit County or Eagle County, but there are also some within a few hours' drive of the city itself for those who want to stay close to home.

There's more to do in Denver than ski, however; museums in Denver cover everything from fine art to science to the history of African-American cowboys. There's even a museum devoted to the history of toys, dolls and miniature figures. Denver's Zoo is world famous, particularly Bear Mountain; built using casts of actual Colorado rock formations, this realistic habitat helps the zoo's bears feel right at home. The city's famous botanic gardens are a great place to relax after a busy day of shopping or sightseeing. Red Rocks Amphitheatre, on the western edge of the city, is not only a famous concert venue but a beautiful park with outstanding scenery and its own rock and roll museum.

Denver's climate is sunny and mild, with daily averages of around 23 degrees in July; temperatures over 30 are not uncommon. Winters are relatively warm, although snow can still fall heavily. The busiest tour season is during the winter; spring and autumn see the city at its most relaxed.

One thing travellers to Denver have to watch out for is altitude sickness. The name "Mile High City" is no joke -- Denver really is a mile (1.6 km) above sea level, and people unused to the altitude can suffer headaches and shortness of breath. The symptoms are usually minor, although in some rare cases acute mountain sickness can be more severe. At higher altitudes, the effects of ultraviolet radiation are also more serious than at sea level. Visitors to Denver should be sure to use sunblock, even on days that don't seem bright enough to cause sunburn.

Did you know...

  • Concourse A Station train station is nearby Denver - International airport.
  • Denver - International has the IATA code of DEN.
  • United has the shortest flight from Denver - International to Denver - International at 48 minutes

What people are saying about Denver - International right now:

Twitter: From user 'Lindsey Ellefson'
RT @emilypoptart: ~several~ flights delayed at Denver International rn and the Bismarck gate is the only gate in the terminal where people…
183 Denver International Airport flights canceled Thursday due to storm - The Denver Post
Twitter: From user 'emily poppe'
~several~ flights delayed at Denver International rn and the Bismarck gate is the only gate in the terminal where p… https://t.co/wQxhn5g72H
Twitter: From user 'USDA APHIS'
Ck out the kids of Denver International Airport @DENAirport as they learn how #WildlifeServices keeps flights safe… https://t.co/wYk9HYpWVi
Twitter: From user 'Scott’s Cheap Flights'
NEW: The Ultimate Guide to Cheap International Flights from Denver https://t.co/qeXk4Yc1Rc @DENAirport
Twitter: From user 'Levi Hodson'
RT @USDA_APHIS: Ck out the kids of Denver International Airport @DENAirport as they learn how #WildlifeServices keeps flights safe for trav…