This fare can be found from mid-August through early December. Days will vary per month, but in many cases travel is available on any day of the week.
Searching on the Jetblue site, I was able to find seats departing SLC on Friday, September 14 and returning from MCO on Friday, September 21, 2018.
If you have somewhere else on your mind, take a look at all the other flight deals we have departing Salt Lake City (SLC) here.
Need a room in Orlando? Here's what's available from Hotelwatchdog for the mentioned dates above.