Cheap flights from San Juan to Washington, D.C. from $92

The month of February is, on average, the cheapest month to fly to Washington, D.C. from San Juan, with most prices found around $37. If you’re not able to fly to Washington, D.C. in February, then January is your next best option. Flight prices from San Juan to Washington, D.C. during January average around $37.

On average, the least expensive day to fly to Washington, D.C. from San Juan is on a Thursday. momondo users have found tickets for Thursday departures for as low as $315. However, this price may fluctuate depending on the airline, the season, and holidays. 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. for around $600.

In the afternoon is the cheapest time of day to fly from San Juan to Washington, D.C. when you can find flight prices for as low as $380. Flying to Washington, D.C. in the afternoon is an ideal time because this is during off-peak travel hours. Try not to purchase tickets at noon because they tend to be around $716. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

You are more likely to see cheaper flights to Washington, D.C. from San Juan when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. 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. from San Juan for as low as $196 on momondo.

Frontier, Spirit Airlines, and American Airlines are the most popular carriers operating from San Juan to Washington, D.C.

Frontier, JetBlue and Spirit Airlines are the top three most popular airlines that fly to Washington, D.C. from San Juan according to our data. Frontier is the first choice among our users, with 31% of people opting to fly with this airline when traveling to Washington, D.C.. Keep in mind that there are 7 different airlines that fly to Washington, D.C. on a routine basis, so you have a few additional options to choose from.

6 flights are operational daily from San Juan to Washington, D.C. as of April 2026. The most popular departure time for this route is 4:00PM, with 41% of flights per day taking off in the afternoon.

47 flights are operational weekly from San Juan to Washington, D.C. as of April 2026. The most popular departure day for this route is Mon, with 17% of flights per week taking off on this day.