Back by popular demand. Save up to $50 on any Spirit Airlines fare for travel June 16th to November 17, 2009. This is the second time this week they's used this promotion - so who knows - it may or may not be back again.

This promo ends tonight at midnight. The promo code is SAVE50 - all caps, no spaces.

By booking at their website, you'll always save $10 on any fare versus using Travelocity, Kayak or Orbitz. That $10 will be reflected in the posted fares - so you'll save an additional $40 with this promo. $9 Fare Club Members will receive the $50 discount, while non-members will receive $32 off.

Hurry - the promo code is only good for till midnight.