Delta Vacations via Dunhill Travel takes up to 51% off hotel stays at select Puerto Vallarta and Riviera Nayarit resorts when you book a flight and hotel vacation package. Plus, get free room upgrades at select resorts. Properties includes Crown Paradise Golden Puerto Vallarta, Krystal Grand Nuevo Vallarta, and Marival Residences Luxury Resort Nuevo Vallarta. Additional fees and blackout dates apply. Book this travel deal by April 20 for stays through December 22.