$148 Find Cheap Flights from Washington Dulles Airport to Puerto Rico - Compare and Save

The cheapest ticket to Puerto Rico from Washington, D.C. Dulles Intl Airport found in the last 5 days was to San Juan, at $357 round-trip. The most popular route is from Washington, D.C. Dulles Intl Airport (IAD) to San Juan Luis Munoz Marin Intl Airport (SJU), and the cheapest round-trip airline ticket found on this route in the last 5 days was $357.

The cheapest time of day to fly to Puerto Rico is generally at night, when round-trip flights cost $343 on average. On average, there is no price difference when choosing to fly in the morning or the evening on this flight route. The most expensive time of day to fly to Puerto Rico is generally in the morning, which is peak travel time and where the average cost of a ticket is $474.

No, with an average price for the route of $504, prices are generally cheapest when you fly direct.

The cheapest month for flights from Washington, D.C. Dulles Intl Airport to Puerto Rico is February, when tickets cost $325 (return) on average. On the other hand, the most expensive months are July and March, when the average cost of round-trip tickets is $512 and $492 respectively.

When flying from Washington Dulles Airport to Puerto Rico, you should consider leaving on a Sunday and avoid Fridays if you are looking for the best rates. For your return to Washington Dulles Airport, you’ll find the best rates on Thursdays and the most expensive ones on Mondays.

To get a below average price on the flight from Washington, D.C. Dulles Intl Airport to Puerto Rico, you should book around 1 week before departure. For the absolute cheapest price, our data suggests you should book 5 weeks before departure.

There are 3 airlines that fly nonstop from Washington, D.C. Dulles Intl Airport to Puerto Rico. They are: Frontier, JetBlue and United Airlines. The cheapest price of all airlines flying this route was found with Frontier at $89 for a round-trip flight to San Juan Luis Munoz Marin Intl Airport (SJU). On average, Frontier offers the best prices for nonstop flights between Washington, D.C. Dulles Intl Airport and Puerto Rico.

Air Canada connects Washington, D.C. Dulles Intl Airport to Puerto Rico with 14 flights per week. United Airlines also offers 14 flights per week, while Brussels Airlines follows with 7 flights per week.

The duration of a flight to Puerto Rico depends on your arrival airport. The shortest routes to Puerto Rico from Washington, D.C. Dulles Intl Airport are to San Juan, which takes 3h 49m, Aguadilla, which takes 5h 59m, and San Juan Luis Munoz Marin Intl Airport, which takes 6h 23m.

There are 4 cabin class options for the route. These are First, Business, Economy and Prem Economy. Perform a search on KAYAK to find the latest prices and availability for all cabin fares, which differ across airlines.

The earliest flight from Washington, D.C. Dulles Intl Airport to Puerto Rico departs at 8:34 am, landing in San Juan at 12:34 pm.

If you prefer to fly at night, the latest flight from Washington, D.C. Dulles Intl Airport to Puerto Rico jets off at 5:24 pm and lands in San Juan at 9:24 pm.