$208 Find Cheap Flights from Washington to Puerto Rico - Compare and Save

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Washington to Puerto Rico.

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Washington to Puerto Rico is likely to change within 7 days, so travelers know whether to wait or book now.

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from Washington to Puerto Rico with an airline and back with another airline.

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Washington to Puerto Rico up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

There are 8 airports in Puerto Rico. The busiest airport is San Juan Airport (SJU), with 75% of all flights arriving there.

The cheapest month for flights from Washington to Puerto Rico is May, when tickets cost $269 (return) on average. On the other hand, the most expensive months are July and March, when the average cost of round-trip tickets is $410 and $390 respectively.

To get a below average price on the flight from Washington to Puerto Rico, you should book around 4 weeks before departure, which saves you about 29% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 9 weeks before departure.

An average nonstop flight from Washington to Puerto Rico takes 17h 47m, covering a distance of 3676 miles. The shortest route is Pasco (PSC) to San Juan Luis Munoz Marin Intl Airport (SJU) with an average flight time of 9h 15m.