Find Cheap Flights from Denver International Airport (DEN)

Denver International Airport (IATA: DEN, ICAO: KDEN) serves Denver, United States. 24 airlines operate 360 scheduled routes from this airport, reaching 168 destinations in 8 countries.

You can book flights from DEN through Aviafares at the same published fares you'd see on any airline's own site, and our US booking team pulls unpublished consolidator rates on premium cabins that don't show up in public search. If you need help with a complex itinerary, a schedule change, or just want a second opinion on the best routing, call our 24/7 line.

Field elevation: 5,431 ft.

Where DEN flies

Top destinations from DEN by airline coverage include Atlanta (ATL), Los Angeles (LAX), Phoenix (PHX), Minneapolis (MSP). Scroll below for the full list with connecting airlines.

Airlines at DEN

12 major carriers operate out of DEN, led by United Airlines, Frontier Airlines, Southwest Airlines. Every active airline with scheduled service from this airport is listed below.

24/7 booking assistance

Changes, cancellations, schedule irregularities, and refunds on any DEN ticket are handled by our US-based booking team around the clock. If your flight is cancelled or rescheduled, we rebook you on the next available option at the airline's published fees. Call the number at the top of this page or request a callback.