Hopper has a $100 off Cayman Islands coupon.
American Airlines and United have round-trip flights from Austin (AUS) to Grand Cayman (GCM) for $287 with a connection. If you apply the Hopper coupon, the cost of the round-trip is about $187. Flights August to December. Departures on Monday, Tuesday, Wednesday, Saturday, and Sunday. Origin/Destination reversible. No Christmas dates available.