Cheap flights from San Juan to Washington, D.C. from $116

In general, February is the cheapest month to fly from San Juan 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 $312. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from San Juan to Washington, D.C. Dulles Intl Airport for around $663.

Flying to Washington, D.C. Dulles Intl Airport from San Juan in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $457 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 San Juan 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 San Juan - Washington, D.C. Dulles Intl flight prices

You are more likely to see cheaper flights to Washington, D.C. Dulles Intl Airport from San Juan 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 $315 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 San Juan for as low as $191 on momondo.

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

As of May 2026, there are 28 flights per week flying from San Juan to Washington, D.C. Dulles Intl Airport. The most common day of the week flights depart is Mon, with 14% of flights taking off on this day.