Cheap Flights from Madrid to San Juan

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Flight deals from Madrid to San Juan

Looking for a cheap last-minute deal or the best round-trip flight from Madrid Airport to San Juan? If you want to travel next month, round-trip fares start from AED 2,497. Find the lowest prices on one-way and round-trip tickets right here.

Find the cheapest month to fly from Madrid to San Juan

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Madrid to San Juan flights are currently cheapest in May.

Direct flights from Madrid to San Juan

Madrid to San Juan: Flight information

The things to know before you go.
Cheapest flight foundAED 1,231
Cheapest month to flyMay
Average flight time8 hrs, 55 mins
Most popular airlineIberia
Average flights per week69

Finding cheap flights from Madrid to San Juan: Frequently asked questions

There are 6 airports in San Juan: San Juan Isla Grande, San Juan Luis Munoz Marin, Roosevelt Roads, Ponce, Vieques, and Culebra.
The best price we found for a round-trip flight from Madrid to San Juan is AED 2,484. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
8 hours and 55 minutes is the average flight time from Madrid to San Juan.
Iberia, American Airlines and Finnair fly direct from Madrid to San Juan.
There are 69 flights per week flying from Madrid to San Juan, as of April 2026.
The cheapest month to fly from Madrid to San Juan is usually April.
If you're flying from Madrid Airport, the cheapest airport near San Juan is San Juan Luis Munoz Marin – which is 11.3 km away from the center of San Juan. We've found flights to this airport from AED 2,484.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Madrid Airport to San Juan on Wednesday, April 29, 2026.
Yes – the average flight time is 8 hours and 55 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to San Juan but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to San Juan is around 40 days in advance, so don’t leave your flight to the last minute.
In April, the average temperature is usually around 26°C. August is typically the warmest month in San Juan, when it usually averages around 29°C. You can expect the least rain in February. The coldest month is January, with temperatures averaging 23°C. The rainiest month is September.
Currently, Avianca and Finnair offer the cheapest flight tickets to San Juan.

Traveling from Adolfo Suarez Madrid-Barajas Airport (MAD) to San Juan: what you need to know

  • Around 8 hours 10 minutes is how long you'll be traveling on a direct flight from Adolfo Suarez Madrid-Barajas Airport to San Juan.

  • San Juan is five hours behind Madrid, where Adolfo Suarez Madrid-Barajas Airport is located. San Juan follows the UTC-4 timezone.

  • The busiest route is from Adolfo Suarez Madrid-Barajas Airport (MAD) to Luis Munoz Marin International Airport (SJU). There are 12 weekly services between these two airports. If you'd like to get going as soon as possible, the earliest flight from MAD to SJU is the 15:50 Iberia option. If you prefer traveling later, the final departure is at 15:55 with Iberia.

  • Leave enough time to make your MAD to San Juan flight. As a general rule, arrive at least two hours before international departures and an hour ahead for domestic flights.

  • Traveling during a peak month like July? School holidays and other high seasons can lead to longer lines at check-in and security. Play it safe and arrive up to four hours before international flights and two hours before domestic departures.

  • You can book a direct Adolfo Suarez Madrid-Barajas Airport to San Juan ticket. Start your trip at MAD and touch down at Luis Munoz Marin International Airport (SJU).

  • Keep your eyes peeled for promotions from Iberia. This carrier has direct flights from Adolfo Suarez Madrid-Barajas Airport to San Juan.

  • Consider adding a stopover to potentially land a cheaper plane ticket from MAD to San Juan. All you need to do is uncheck 'Direct flights only' during your search. Take a break (and maybe save some cash) by stopping at one of these airports:

    • New York John F. Kennedy International Airport (JFK)

    • Punta Cana International Airport (PUJ)

    • Santo Domingo Las Americas International Airport (SDQ)

  • Located around 13 kilometers from the center of Madrid, MAD can be reached in about 20 minutes by car, depending on traffic. Traveling on public transport will take roughly 30 minutes.

  • Want an easy start to your journey? Stay near MAD. Whether you have an early flight from Adolfo Suarez Madrid-Barajas Airport to San Juan or want to avoid feeling rushed, these hotels have you covered:

  • Of all flights leaving Adolfo Suarez Madrid-Barajas Airport, 77% land on time at their destination.

How to find the cheapest flights from Adolfo Suarez Madrid-Barajas Airport (MAD) to San Juan

  • The best price we've seen for a one-way Adolfo Suarez Madrid-Barajas Airport to San Juan flight is AED 1,231. The cheapest price for a return flight is AED 2,484. Bear in mind fares can change due to availability at the time of booking.

  • To score cheap flights from MAD to San Juan, reserve your journey one month ahead of your planned departure.

  • Plan your trip for June. That's the best month for landing an awesome deal on Adolfo Suarez Madrid-Barajas Airport to San Juan tickets. If you're flexible on when you fly, use the 'Whole month' tool to access the lowest price across each month.

  • There's no need to check in daily to find out if fares have dropped when you set up a Price Alert. We'll let you know as soon as there's an extra saving on cheap flights from MAD to San Juan.

  • Select your ideal departure and arrival times, airlines and number of stops with our filters. Then, sort the results for your flight from Adolfo Suarez Madrid-Barajas Airport to San Juan by 'Cheapest,' 'Best' or 'Fastest.'

Airports in San Juan

Luis Munoz Marin International Airport (SJU)

  • The distance from Luis Munoz Marin International Airport (SJU) to central San Juan is roughly 11 kilometers. It'll take you around 20 minutes to reach the center driving.

  • If you're traveling by public transport, expect a journey time of about 1 hour.

  • The last thing you need is a lengthy journey to your hotel if you're getting in late on a flight from Adolfo Suarez Madrid-Barajas Airport to San Juan. Reserve one of these accommodation options near SJU instead:

  • To get the lowest price, book your ride from Luis Munoz Marin International Airport about two weeks in advance of your flight from MAD to San Juan.

Best time to go to San Juan

  • March is the busiest month for flights from Adolfo Suarez Madrid-Barajas Airport to San Juan. To avoid the crowds, head to San Juan in December.

  • Before booking a Adolfo Suarez Madrid-Barajas Airport to San Juan plane ticket, think about the weather you're most comfortable in. August is the warmest month in San Juan, with temperatures ranging from 24ºC (75ºF) to 32ºC (90ºF).

  • Search for cheap tickets from MAD to San Juan in February if you want to travel in cooler conditions. Temperatures are at their lowest then, ranging between 21ºC (70ºF) and 28ºC (82ºF) on average.

More about San Juan

Explore more of Puerto Rico

  • San Juan will leave a lasting impression, but there are so many other corners of Puerto Rico you'll want to see. Around 113 kilometers west of San Juan, a visit to Aguadilla will keep your itinerary packed. Don't miss top attractions like Silla Aguadilla, Bridges Surf Beach and Playa Rompe Olas.

  • Around 105 kilometers west of San Juan, Isabela is another favorite stop in Puerto Rico. No visit is complete without checking out Playa montones, Shore Island Beach and Guajataca Forest Reserve.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.