Travelers have found it’s best to book a flight 43 days in advance to save up to 14% 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 43 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 Washington Dulles Intl 1-2 weeks in advance for as low as $262, or $293 for flights within the next 24 hours.
August can be a great time to fly to Washington Dulles Intl from Puerto Rico with a flight ticket averaging about $285. Cheapflights users have found deals in the month of August for as cheap as $90. The most expensive prices can be found in the month of June.
The chart below displays the airlines Cheapflights users traveling from Puerto Rico to Washington Dulles Intl choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
||$155||$261||No cancel fee||65%|
||$145||$314||No cancel fee||62%|
||$141||$340||No cancel fee||N/A|
||$137||$405||No cancel fee||71%|
||$164||$448||No cancel fee||69%|