Travelers have found it’s best to book a flight 19 days in advance to save up to 15% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 19 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Puerto Rico to Iceland 1-2 weeks in advance for as low as $784, or $919 for flights within the next 24 hours.
Flights from Puerto Rico to Iceland lean towards being more expensive in December. Prices are generally better when you fly from Puerto Rico to Iceland in June, with the cheapest ticket starting at $595.