Here's a round-trip airfare deal to Puerto Vallarta, Mexico, that's convenient from Orange County: Southwest is offering this $333 fare, including all taxes and fees, from John Wayne Airport.
You must buy your ticket by Sept. 3, and the fare is subject to availability.
Departures are Sundays-Wednesdays and returns are Tuesdays-Fridays for travel through Dec. 16 and again between Jan. 11 and March 13. Blackout dates apply.
Info: Southwest, (800) 435-9792