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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
St. Louis (STL) to Denver - International$256Select

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.

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What people are saying about Denver - International right now:

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Twitter: From user 'Denver Post Business'
Hurricane Florence scuttles flights between DIA and airports in Carolinas https://t.co/U0p9ajie2S
Twitter: From user 'Scott Moore'
2 flights down! 6 more hours then one more flight and I will be home!! — traveling to Denver, Colorado from John F… https://t.co/TTIo4h6xLX
When Being Separated From Your Luggage Is a Good Thing - New York Times
The company works with United Airlines at five airports. The airport in Tampa, Fla., provides remote drop off at a centrally located rental car center, while Denver International Airport offers the service at a transit center located below the Westin ...
New grant will help airport add flight west - KCAU 9
City leaders say the destination is attractive to both business and recreational travelers departing from Sioux Gateway. The last time a flight to Denver was offered locally was by frontier in 2014. Airport Director Mike Collett said this grant has ...
Twitter: From user 'Valerie Vasquez Lieberman'
RT @KRDONewsRadio: At least fourteen flights impacted at Denver International Airport ahead of Hurricane Florence https://t.co/LM51MEfNoS
Frontier launches nonstop service to Denver - Albany Times Union
Colonie. Airport firetrucks sprayed the traditional arc of water to welcome the first Frontier Airlines flight to Albany Monday morning. Frontier Flight 130, nonstop from Denver, arrived a few minutes behind schedule, then parked short of the gate for ...
Twitter: From user 'KRDO NewsChannel 13'
At this time no flights out of the Colorado Springs Airport have been impacted. We will continue to monitor the sit… https://t.co/takxtyLAsu
Twitter: From user 'KRDO NewsRadio'
At least fourteen flights impacted at Denver International Airport ahead of Hurricane Florence https://t.co/LM51MEfNoS
Denver airport just had its busiest month ever - USA TODAY
DENVER (AP) — Officials say 6.1 million passengers traveled through the Denver International Airport in July, marking its busiest month on record. KDVR-TV reports the airport announced Wednesday that July was the first time the airport surpassed 6 ...