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Local time zone: America/Denver
Denver International Airport (DEN) had nonstop service to 221 destinations on 24 airlines in our August 17, 2026 departure snapshot. The busiest route was to Phoenix (PHX), served by 4 carriers, and the largest operator here was United Airlines with nonstops to 179 destinations. 26 of those routes were international.
Route data as of August 17, 2026, based on a 7-day departures sample. Routes may have changed since this snapshot.
This schedule snapshot includes nonstop flights from DEN to 221 destinations, including 26 international routes. The snapshot shows about 991 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 Boston · US
Frankfurt · 5,026 mi
Seattle · 1,022 mi
Philadelphia · 1,554 mi
Atlanta · 1,197 mi
Washington · 1,449 mi
Charlotte · 1,334 mi
Chicago · 886 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 August 17, 2026 departure data was DEN to PHX (Phoenix), with 22-23/day across 4 airlines.
United Airlines was the largest operator in our DEN schedule data, serving 179 destinations with 505-506/day.
This schedule snapshot includes 26 international routes and 195 domestic routes from DEN.
24 airlines operated at DEN in our August 17, 2026 snapshot. Top carriers include United Airlines, Southwest Airlines, Frontier Airlines, SkyWest Airlines, American Airlines.
This schedule snapshot includes direct flights from DEN 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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