www.CostaRicaTicas.com

Deal is still good until midnight today.

What: 90% off flights, or flight portion of vacation package
Book by: Midnight tonight, March 15
Travel dates: March 22 to April 11
Restrictions: Must fly Mon.-Thurs., and discount does not include taxes/fees
How: Use promo code 90PCT
We went to Spirit’s website to price out a roundtrip deal from Newark to Los Angeles in late March; here’s what we found:

Without promo code: $613.68
With the promo code: $149.28
But wait! We checked FareCompare for this same Spirit flight – with no promo code – and it was $224! Almost 400 dollars cheaper than the non-promo code deals found on Spirit’s site (though yes, the promo code deal was cheaper). Tip: Always compare prices on