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Local time zone: America/Denver · currently 3:26 PM local
Denver International Airport (DEN) currently has nonstop service to 221 destinations on 25 airlines in our latest departure data. The busiest route is to Phoenix (PHX), served by 4 carriers, and the largest operator here is United Airlines with nonstops to 179 destinations. 26 of its routes are international.
Route data as of August 16, 2026, based on a 7-day departures sample.
You can fly nonstop from DEN to 221 destinations, including 26 international routes. Current schedules show about 992 flights per day across those routes. The busiest options start with Phoenix (PHX), Seattle (SEA), Salt Lake City (SLC).
All airports near Denver (2 compared) →
26 international routes in this schedule set
United States 195 · Mexico 8 · Canada 7
22-23/day on 4 airlines
Boeing 737 · Airbus A320 family · Embraer E-Jet
These routes have enough tracked flights or schedule depth for a full guide with duration, distance, airlines, aircraft, and frequency.
Denver to Charlotte · US
Philadelphia · 1,554 mi
London · 4,658 mi
Atlanta · 1,197 mi
Frankfurt · 5,026 mi
Paris · 4,867 mi
Washington · 1,449 mi
Boston · 1,750 mi
Ranked by destinations served, then daily frequency.
+38 more DEN routes on SkyWest Airlines — use the full route directory for every destination.
+13 more DEN routes on American Airlines — use the full route directory for every destination.
+12 more DEN routes on Delta Air Lines — use the full route directory for every destination.
+8 more DEN routes on Denver Air Connection — use the full route directory for every destination.
+3 more DEN routes on Allegiant Air — use the full route directory for every destination.
+1 more DEN routes on Contour Aviation — use the full route directory for every destination.
Ranked by airlines operating the route. Routes with enough tracked data or schedule depth link to full route guides.
Showing the 60 busiest destinations. Browse all 221 DEN nonstop destinations →
Denver International Airport (DEN / KDEN) is located in Denver, United States.
The IATA code is DEN. The ICAO code is KDEN.
The busiest scheduled route from DEN in our current departure data is DEN to PHX (Phoenix), with 22-23/day across 4 airlines.
United Airlines is the largest operator in our DEN schedule data, serving 179 destinations with 505-506/day.
DEN has 26 international routes and 195 domestic routes in the current schedule set.
25 airlines operate at DEN. Top carriers include United Airlines, Southwest Airlines, Frontier Airlines, SkyWest Airlines, American Airlines.
DEN has direct flights to 221 destinations including Phoenix, Seattle, Salt Lake City, Los Angeles, Chicago.
View live arrivals and departures at DEN on FlightRadar24.
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