Cheap flights from Washington, D.C. to San Juan from R2 246

In general, February is the cheapest month to fly from Washington, D.C. to San Juan. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around R5 640. If you aren’t able to travel to San Juan 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 R6 172.

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

You are more likely to see cheaper flights to San Juan from Washington, D.C. when booking weeks ahead of your departure date. In general, you can expect to find flights to San Juan for around R7 385 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Juan from Washington, D.C. for as low as R6 405 on momondo.

There is only 1 cabin class available to choose from on Washington, D.C. to San Juan flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Historically, on average around 22% of flights between Washington, D.C. and San Juan have experienced a delay on any given week. The average delay length over the past 12 months has been 135 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights departing in the evening have, in the past, seen delays more frequently in comparison.

Wednesday is statistically the day of the week that experiences the fewest delays on this flight route. Tuesday has historically seen more delays on average compared to the rest of the week.

According to our data, United Airlines have had the fewest delays on this route over the last 12 months, with about 19% of their flights experiencing any sort of delay.

The number of flights available between Washington, D.C. and San Juan is 1 per day as of November 2026. The most frequent departure time is 8:00, with 50% of daily flights leaving at midday.

As of November 2026, 7 flights take off from Washington, D.C. and land in San Juan each week. The most common flight departure day for this route is Mon, with 14% of weekly flights taking off on this day.