Although Spirit's $16 fares are exclusively available to members, non-member fares are also included, though at higher prices. Book tickets by Wednesday, May 21.
Charleston, Miami, San Antonio, and San Juan are featured in AirTran's current offer. Take a look at this deal, but remember to compare prices from other airlines before you book.
Southwest's latest offer is available for booking through Thursday, May 22. This deal includes some competitive prices for travel through late October.
