Delta Vacations via Dunhill Travel takes up to 55% off hotel stays at select resorts in the Dominican Republic, Mexico, and Caribbean, when you book a flight and hotel vacation package. Plus, take up to $300 off these packages. Discounted properties include Excellence resorts in Punta Cana, Cancun, Oyster Bay, Playa Mujeres, and more. Additional fees and blackout dates apply. Book this travel deal by April 30 for stays through November 7.