CheapCaribbean via ShermansTravel offers an All-Inclusive Grand Oasis Cancun 5-Night Flight and Hotel Package for Two in Cancun, Mexico, with prices starting at $1,257, via coupon code "OASIS50". (The coupon may apply automatically.) That's $44 under our mention from last week and the lowest price we could find for this package today by $73. Book this travel deal by August 31 for travel from August 31 through December 21.