Users have found that booking a flight from St Augustine to Puerto Rico at least 41 days early can save you up to 11% on average compared to booking a flight this week. If booking 41 days before your flight isn’t an option for you, users have found flights from St Augustine to Puerto Rico for as little as $380 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $415 for flights departing within the next 3 days.
Our data shows that September tends to be the cheapest month to fly to Puerto Rico from St Augustine. Users have commonly found prices around $380 for the month, but tickets can be as low as $194. Due to multiple factors, prepare for potentially higher prices in December.