Users have found that booking a flight from Islip to Costa Rica at least 17 days early can save you up to 5% on average compared to booking a flight this week. If booking 17 days before your flight isn’t an option for you, users have found flights from Islip to Costa Rica for as little as $393 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 $422 for flights departing within the next 3 days.
Due to multiple factors, expect to potentially pay more when booking in December. For low rates, October can be a great choice for travel to Costa Rica. Flights to Costa Rica from Islip in October are about $404 on average during October, but can be found for as low as $205.