Cheap flights from Puerto Rico to Washington, D.C. from $166

In general, February is the cheapest month to fly from Puerto Rico to Washington, D.C. Dulles Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $37. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of February, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $37.

Our data shows that Thursday is the least expensive day to fly to Washington, D.C. Dulles Intl Airport. Tickets to fly out on this day can be as low as $335. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Puerto Rico to Washington, D.C. Dulles Intl Airport for around $716.

Flying to Washington, D.C. Dulles Intl Airport from Puerto Rico in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $455 when looking at flights departing in the afternoon. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $716 on average. Flights to Washington, D.C. Dulles Intl Airport from Puerto Rico at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

You are more likely to see cheaper flights to Washington, D.C. Dulles Intl Airport from Puerto Rico when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. Dulles Intl Airport for around $337 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. Dulles Intl Airport from Puerto Rico for as low as $217 on momondo.

There are 4 cabin classes available to choose from on Puerto Rico to Washington, D.C. Dulles Intl Airport flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

The number of flights available between Puerto Rico and Washington, D.C. Dulles Intl Airport is 4 per day as of June 2026. The most frequent departure time is 7:00AM, with 50% of daily flights leaving at noon.

As of June 2026, 28 flights take off from Puerto Rico and land in Washington, D.C. Dulles Intl Airport each week. The most common flight departure day for this route is Mon, with 14% of weekly flights taking off on this day.