Denver's airport lies on the plains northeast of the city, roughly 25 miles from downtown, so ground transport time matters.
Airports
DEN · Denver International Sits roughly 25 miles northeast of downtown, with a commuter rail line to Union Station.
Best time to go
Ski season (roughly late November through April) and summer are the busiest periods. Winter storms can disrupt flights, and spring snow is not unusual.
Getting around
The A Line commuter train runs from the airport to Union Station downtown. Shuttles and rental cars serve the mountains.
Travel notes
If you are heading to a ski area, allow extra time on mountain roads in winter, and watch the forecast before travel day.
Airlines with a base here
United Airlines, Southwest Airlines. Having a base usually means more flights and more connecting options, though not every route is nonstop.
Denver is served by DEN. It is the main airport for the area, so the decision is usually about schedule and airline.
When is the best time to fly to Denver?
Ski season (roughly late November through April) and summer are the busiest periods. Winter storms can disrupt flights, and spring snow is not unusual.
How do I get from the airport to Denver?
The A Line commuter train runs from the airport to Union Station downtown. Shuttles and rental cars serve the mountains.
Do you list fares here?
No. A specialist checks live availability for your dates and confirms the full price before payment.