Flights from Washington DC to San Juan

Advertised prices are indicative based on recent searches and vary by specific dates, airport selection (DCA vs IAD), booking timing, airline, and seat availability. Lowest fares require advance purchase with limited promotional seat inventory.

JetBlue fares include one personal item, one carry-on bag, free WiFi, TV, and snacks. Checked bags $35-45. Frontier base fares are ultra-low-cost and exclude all bags (carry-on $35-60, checked $30-65), seat selection ($5-40), and refreshments.

Most promotional economy fares are non-refundable with change fees of $75-125. Premium upgrades available (JetBlue Even More Space/Mint). Book through airline websites, Google Flights, Kayak, or Expedia. Holiday periods and peak Congressional recess dates have higher fares. Subject to airline policies and availability.

Find convenient nonstop flights from Washington DC to San Juan, Puerto Rico with one-way fares starting at $89. Both Ronald Reagan Washington National Airport (DCA) and Washington Dulles International Airport (IAD) offer direct service to Luis Muñoz Marín International Airport (SJU) on Frontier Airlines and JetBlue Airways, with flight times of approximately 3 hours and 40 minutes.

The DC area is well-served with multiple daily departures from two major airports, giving travelers flexibility in timing and location. JetBlue provides their signature service with free WiFi, live TV, and complimentary refreshments, while Frontier offers ultra-low-cost fares perfect for budget-conscious travelers.

This is one of the most accessible routes to Puerto Rico from the Mid-Atlantic, serving the entire Washington-Baltimore metro area. The nonstop flight makes it easy for government workers, diplomats, business travelers, and vacationers to reach the Caribbean quickly.

Peak demand occurs during Congressional recesses and winter months when DC residents seek warm-weather escapes. Book 60-90 days in advance for best pricing. Tuesday through Thursday departures typically offer the lowest fares. Ideal for long weekends, holiday getaways, or extended Puerto Rico vacations.