Frontier Airlines Nonstop Flights from Denver: 65 Destinations

3 international and 62 domestic destinations without a stop from DEN

Every destination Frontier Airlines serves nonstop from Denver, United States, from published airline schedules as of 31 August 2026. Seasonal and not-yet-launched services are marked; connections are not listed. Frontier Airlines sells economy only — no business or first class cabin.

Routes you can book with Frontier Airlines miles →