Flights to Denver
Denver International Airport is a high-altitude gateway to the Rockies and a major United hub. Here's what to know before you search flights to Denver, Colorado.
Fares and availability are provided by participating airlines and subject to change.
Flying Into Denver
Denver is a mountain-adjacent hub with strong ski-season demand. Most commercial flights land at Denver International Airport (DEN), though Colorado Springs Airport (COS) is worth knowing about depending on where you're headed once you land.
Airlines with a notable presence on Denver routes include United Airlines, Southwest Airlines, Frontier Airlines. Nonstop availability depends on your origin city — larger markets are more likely to have direct service, while smaller cities may route through a connecting hub.
Airports Serving Denver
| Primary airport | Denver International Airport (DEN) |
|---|---|
| Alternative | Colorado Springs Airport (COS) — an alternative if you're headed south of Denver |
| State | Colorado |
Cheap Flights to Denver by Route
Frequently Asked Questions About Flights to Denver
Is Denver more expensive to fly to in winter?
Ski season can increase demand into Denver, so fares during peak winter weekends may run higher than shoulder-season travel.
What airport code should I search for Denver?
Search DEN for Denver International Airport, which handles essentially all commercial service to the city.
Search flights to Denver
Compare fares into DEN across the airlines that serve it.