Are you looking to book a romantic getaway for Valentine's Day? Frontier is offering "sweetheart" deals for as low as $39 one-way for a limited time. You don't have to use the tickets by Valentine's Day, but you do have to buy the tickets by Thursday (February 12) at midnight eastern. Unlike many of the cities on the list that have a limited number of destination, Denver has 19 places to fly. Starting at $39 one-way you can fly to destination like Dallas, Kansas City and Las Vegas. If you're ok with spending a little more, you can get to Tampa for $89. You do have to used your tickets by April 29, 2015, but if you're looking to surprise your significant other, this may be a great way to do it this year.

More From Retro 102.5