Cheap flights from San Juan to Madrid from $379

The month of February is, on average, the cheapest month to fly to Madrid from San Juan, with most prices found around $454. If you don’t want to visit Madrid in February, then you should wait until October to fly from San Juan, when ticket prices are also cheap, with an average price of $540.

The cheapest day to depart on your flight to Madrid is on a Wednesday when prices can be found for as low as $634. This is often the case because there is less demand to fly during this day of the week. Be sure to avoid booking your departure on a Thursday as prices are generally higher than usual. According to our data, the average ticket price to Madrid on Thursday is $851.

Flying to Madrid from San Juan in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $724 when looking at flights departing in the afternoon. Flights to Madrid are more costly in the evening, with an average ticket price of $757. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

Fly from San Juan Luis Munoz Marin Intl to Madrid Barajas for the best San Juan - Madrid Barajas flight prices

You are more likely to see cheaper flights to Madrid from San Juan when booking weeks ahead of your departure date. In general, you can expect to find flights to Madrid for around $679 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Madrid from San Juan for as low as $580 on momondo.

Iberia, United Airlines, and British Airways are the most popular carriers operating from San Juan to Madrid Barajas

Iberia, American Airlines and Finnair are the top three most popular airlines that fly to Madrid from San Juan according to our data. Iberia is the first choice among our users, with 68% of people opting to fly with this airline when traveling to Madrid. Keep in mind that there are 11 different airlines that fly to Madrid on a routine basis, so you have a few additional options to choose from.

Historically, on average around 20% of flights between San Juan and Madrid have experienced a delay on any given week. The average delay length over the past 12 months has been 151 minutes.

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

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

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

9 flights are operational daily from San Juan to Madrid as of May 2026. The most popular departure time for this route is 5:00PM, with 76% of flights per day taking off in the afternoon.

As of May 2026, there are 65 flights per week flying from San Juan to Madrid. The most common day of the week flights depart is Tue, with 18% of flights taking off on this day.