Tampa Bay to key West flights
 

We'll be in the Tampa Bay area in mid-March and are considering a flight to Key West. Any information on non-stop flights--Tampa Bay airiports, airlines, costs--will be appreciated.

Like Gretchen, I frequently use google flighs to search for flight options. I just type into my search bar "flights tampa key west." QED.
You can certainly do more extensive searches using sites like kayak, or google's own ita software as well.

AFAIK, Silver and United or a code share of these two will be the only NS flights from Tampa to Key West