American Airlines have round trip airfares travelling to and from Denver (DEN) and Miami (MIA) for $ 105, nonstop! These are basic economy fares, a restricted-type fare, with an option to upgrade to main cabin before final checkout.

Travel Availability:

Departs DEN: Aug 20, 21; Sept 17
Departs MIA: Sept 10, 24; Oct 10

Use dates and book it on your reputable and known OTAs such as Expedia [expedia.com], Orbitz [orbitz.com], Priceline [priceline.com] or American Airlines [aa.com] directly.