Find a great deal and save up to 7% by booking at least 19 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Ontario to Puerto Rico within the next two weeks, with the cheapest ticket starting at $262.
Due to multiple factors, expect to potentially pay more when booking in December. For low rates, August can be a great choice for travel to Puerto Rico. Flights to Puerto Rico from Ontario in August are about $313 on average during August, but can be found for as low as $121.
The chart below displays the airlines Cheapflights users traveling from Ontario to Puerto Rico choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
||$158||$314||No cancel fee||62%|
||$177||$412||No cancel fee||N/A|
||$147||$418||No cancel fee||62%|
||$147||$454||No cancel fee||69%|
||$152||$500||No cancel fee||71%|