Frontier Airlines is offering the chance to win round-trip flights through a sweepstakes for customers who travel through Trenton-Mercer Airport.

The sweepstakes, which runs through May 31, 2013, awards weekly and monthly prizes, as well as a grand prize in May. Participants can enter via this link.

One winner will be chosen each week to receive one roundtrip ticket anywhere Frontier flies from the Trenton Mercer Airport. If the winner is an EarlyReturns® member at the time of entry, they will receive two roundtrip tickets, 

One winner will be chosen on the first of each month to receive a vacation package for two people to a featured Frontier destination from the Trenton Mercer Airports. Packages include flights, hotel and transportation. Monthly prizes are described below:

• April 1^st Prize – Break away for two nights to celebrate a spring break on the beach in Fort Lauderdale. Package includes a Catamaran Reef Sail and Snorkel cruise.
• May 1^st Prize – Weekend in Atlanta – Enjoy two nights in Atlanta. Package includes two VIP tour tickets of the World of Coca Cola and $100 gift card for dining.
• June 1^st Prize – Go spring shopping in the Windy City with a two night stay in Chicago. Package includes a $150 Visa gift card.

One grand prize winner will be selected on June 1, 2013 to receive roundtrip flights out of the Trenton Mercer Airport for one year (one roundtrip flight per month for 12 months).

Participants must be 18 years or older and a resident of Delaware, New Jersey or Pennsylvania to enter. Official contest rules are available here.