[04/29/2019 @ 12:05 PM] Deal is back on, but ewer dates than when originally posted in March.
American Airlines has round-trip flights from Houston (IAH) to San José, Costa Rica (SJO) for $287-$298 with a connection. Flights April, May, and September. No Weekends. Departures on Monday, Tuesday, Wednesday, and Thursday. Origin/Destination reversible.
Note: Carry-on bag is allowed for free on American Airlines. You can avoid paying for seat selection by accepting the randomly assigned seat at the gate.