Cheap flights from District of Columbia to Puerto Rico from $86

If you don’t want to visit Puerto Rico in July, then you should wait until May to fly from District of Columbia, when ticket prices are also cheap, with an average price of $301.

On average, the least expensive day to fly to Puerto Rico from District of Columbia is on a Sunday. momondo users have found tickets for Sunday departures for as low as $337. However, this price may fluctuate depending on the airline, the season, and holidays. The most expensive day to fly to Puerto Rico is Wednesday, with ticket prices averaging around $485.

Our most recent data shows that the best time of day to fly to Puerto Rico is at noon. Flights from District of Columbia to Puerto Rico during this time can be as low as $238. In contrast, the most expensive time of day to depart to Puerto Rico is in the afternoon when prices are around $436.

Fly from Washington, D.C. Dulles Intl to San Juan Luis Munoz Marin Intl for the best District of Columbia - Puerto Rico flight prices

You are more likely to see cheaper flights to Puerto Rico from District of Columbia when booking weeks ahead of your departure date. In general, you can expect to find flights to Puerto Rico for around $388 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Puerto Rico from District of Columbia for as low as $349 on momondo.

There are 4 cabin classes available to choose from on District of Columbia to Puerto Rico flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Frontier, United Airlines, and Delta are the most popular carriers operating from District of Columbia to Puerto Rico

Frontier, Spirit Airlines and United Airlines are the top three most popular airlines that fly to Puerto Rico from District of Columbia according to our data. Frontier is the first choice among our users, with 33% of people opting to fly with this airline when traveling to Puerto Rico. Keep in mind that there are 7 different airlines that fly to Puerto Rico on a routine basis, so you have a few additional options to choose from.

As of March 2026, there are 6 flights per day flying from District of Columbia to Puerto Rico. The most common time of day flights depart is 8:00AM, with 52% of flights taking off at noon.

As of March 2026, there are 45 flights per week flying from District of Columbia to Puerto Rico. The most common day of the week flights depart is Mon, with 16% of flights taking off on this day.