Get up to $350 off international vacation packages when you use the code WORLDWIDE5 during booking at United Vacations. The code gives you a 5% discount on the hotel portion the trip. We found one trip to Puerto Vallarta with round-trip flights from Chicago for two adults, seven nights at an all-inclusive resort, and complimentary airport transfers for $2,758. It falls to $2,647 with the code. Prefer domestic travel? You can get up to $250 off with the code WORLDWIDE6 during booking instead. Book by 3/30. Travel by 12/15. Some restrictions may apply.