Wilmington airfare looks to be around $650pp if you're willing to have 2 stops. Jacksonville airfare is over $850pp, so driving to Wilmington will save you $400 (before gas, etc). You could give priceline a shot, but with a short trip, it might not be your best option. For hotels, Hotwire has some all-inclusive hotels relatively cheap. This way, your food and drinks would be included. Below are a few of their all-inclusive options: Cancun 4* $178/night Resort, Beachfront, Food and Beverages Included, A la Carte Dining, Airport Transfers Included, Water Sports/Ocean Activities Included, Evening Entertainment Included, Daily Activities Included, Pool(s), Spa, Fitness Center, Children's Activity Program, Tennis Nearby, Golf Nearby, Restaurant(s), Business Center Riviera Maya 4* $183/night Resort, Beachfront, Food and Beverages Included, A la Carte Dining Options, Water Sports/Ocean Activities Included, Evening Entertainment Included, Daily Activities Included, Pool(s), Fitness Center, Children's Activity Program, Tennis Nearby, Golf Nearby,Restaurant(s), Complimentary Breakfast