San Francisco to Orlando, FL $199RT taxes included. Frontier Airlines. 14-day advance purchase required, and the fare is available 7-days a week through early next year.
Visit farecompare.com or frontierairlines.com

Midwest Airlines 10% off discount code. (Thanks to the friends over at Flyertalk)
Midwest has daily departures from SFO (i've flown them to Kansas City & Orlando), complete with leather seats and warm chocolate chip cookies on many flights. mm mm just like momma makes em' good. Coupon isn't valid during the holidays. Coupon Code LG465 Visit midwestairlines.com