You must be flexible with dates but we found seats departing PIT on Tuesday, May 8 and returning from AUA on Wednesday, May 16, 2018. To find a fare at this price you must depart on select dates Monday through Thursday from mid-April through June 13, 2018. A 7-day stay is required.
These book into Basic Economy which limits your baggage to only a carry-on. Checked baggage will cost additional. American Airlines baggage restrictions are more strict than those of Delta, so be aware of that if you choose to fly with them.
Have a look at all the daily deals we have found departing Pittsburgh PIT here.
Need a room while in Aruba? Here is a list of hotels available for the listed dates on Hotelwatchdog.