Frontier Airlines has just announced a 3-day sale for flights to/from their “superhub” in Denver. However, there is one massive hitch…the sale rates are only valid for Tuesday and Wednesday flights!

• Purchase by April 1, 2009
• Travel from April 9, 2009 to August 26, 2009
• Fly on Tuesday/Wednesdays
• *Prices begin at $39 each way

Frontier has three cabin classes:

• Classic Plus: Refundable ticket, advanced premium seating, same-day flight change, two checked bags and complimentary in-flight DIRECTV.
• Classic: Advanced priority seating, two checked bags and complimentary in-flight DIRECTV.
• Economy: Seat selection at check-in.

For more information click here