Oasis of the Seas pricing is available by checking cruise prices and dates on the Royal Caribbean website. A travel agent or a third-party, such as Vacations To Go, Expedia and Direct Line Cruises, can provide pricing as well.
Cruise prices, even on the same ship, vary greatly depending on the time of year, destination and how full the ship is. Cruise prices also change quickly. Cruises tend to be cheaper during off-peak seasons. For example, hurricane season typically sees lower prices to the Caribbean, while early summer is often cheaper for Mediterranean cruises. Booking in advance or at the last minutes often provides bargain prices.