Cheap Flights from Madrid to San Juan

Cheapest flights from Madrid to San Juan

Flaut.Travel was designed and developed by a team dedicated to making the process of searching, comparing and booking airline tickets as easy and convenient as possible. Our service helps travelers to find and buy the cheapest flights from Madrid to San Juan. We have connected more than 40 airlines and airline ticketing agencies to help you find the most suitable and affordable flight option.

Cheapest one way flight

$491

Iberia

Direct flight

9h 10m

03/29/2027

The cheapest one-way flight from Madrid to San Juan departs on 03/29/2027, is operated by Iberia and costs $491

Cheapest round trip flight

$802

United Airlines

1 layover

1d 18h 9m

06/06/2026

The cheapest roundtrip flight from Madrid to San Juan departs on 06/06/2026, is operated by United Airlines and costs $802

The fastest flight

9h 10m

Fastest flight from Madrid to San Juan takes 9h 10m

Direct flights

Every day

There are direct flights on this route 7 days a week: Su, Mo, Tu, We, Th, Fr, and Sa

Earliest flight

12:45 PM

Latest flight

4:10 PM

Direct flights count

3

Distance

6373km

Timezone difference

5h

The distance between Madrid and San Juan is 6373km (3951 miles). There are 3 direct flights from Madrid to San Juan. The time difference between Madrid and San Juan is 5h. Flights from Madrid begin at 12:45 PM. The latest flight from Madrid departs at 4:10 PM

Remember that on average the ideal time to book flights is 2 months before departure!

Airfare from Madrid to San Juan by month

In different months, ticket prices from Madrid to San Juan vary: minimum — $428 (June 2026), maximum — $671 (July 2026). Typically, the flight costs $536–$1,090.

June 2026

Lowest price

on average:

$428

July 2026

Highest price

on average:

$671

Avg Price

Price dynamics

On the Madrid — San Juan route, prices change frequently in both directions. Predicting the exact cost is tricky, but we can identify months when tickets tend to be cheaper.

Cheaper and more expensive periods

Despite the fluctuations, patterns exist: the cheapest period is May 2026–June 2026 — averaging $467. The most expensive is July 2026–March 2027 ($581). The difference reaches 20%.

Best time to buy

With this kind of price behavior, it's worth comparing prices across several months and booking when a good deal appears. A good benchmark is May 2026–June 2026, where you can save up to 20%.

Price predictability

Price spread on this route is 15.7%. Costs vary significantly, so your choice of month can noticeably affect your travel budget.

Airlines operating on route

The route Madrid — San Juan is served by many carriers — 5 in total, including Iberia, Welcome Air, Avianca, Portugália, and LC Busre SAC. This gives passengers wide opportunities: from finding the lowest fare (from $491) to selecting flights by schedule or service class. Our service aggregates data from multiple booking systems so you can compare offers in one place. This saves time and money: no need to check dozens of sites — just pick the right option and book online.

starting at $491

starting at $505

starting at $587

starting at $671

starting at $717

Non-stop flights from Madrid to San Juan

A non-stop flight is the most convenient and comfortable way to fly from Madrid to San Juan, despite the fact that sometimes flights with transfers can cost significantly less.

Madrid — San Juan

MAD — SJU

06/06/2026

Departure

Direct flight

IB5649

starting at $952

Madrid — San Juan

MAD — SJU

07/06/2026

Departure

Direct flight

IB5639

starting at $1,120

Madrid — San Juan

MAD — SJU

07/19/2026

Departure

Direct flight

IB5639

starting at $1,008

Madrid — San Juan

MAD — SJU

07/21/2026

Departure

Direct flight

IB5649

starting at $965

Madrid — San Juan

MAD — SJU

05/09/2026

Departure

Direct flight

IB5639

starting at $1,224

Madrid — San Juan

MAD — SJU

03/19/2027

Departure

Direct flight

IB8527

starting at $681

Madrid — San Juan

MAD — SJU

03/29/2027

Departure

Direct flight

IB381

starting at $617

Madrid — San Juan

MAD — SJU

03/30/2027

Departure

Direct flight

IB381

starting at $634

Madrid — San Juan

MAD — SJU

03/31/2027

Departure

Direct flight

IB4259

starting at $522

Madrid — San Juan

MAD — SJU

04/01/2027

Departure

Direct flight

IB381

starting at $656

Schedule of direct flights from Madrid to San Juan

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Madrid airports overview

Adolfo Suarez Madrid-Barajas Airport

•

MAD

13km

Madrid's main international airport handles domestic, European and long‑haul flights, with multiple terminals and frequent connections across Spain, Europe and Latin America.

•

San Juan airports overview

Isla Grande

•

SIG

1km

Luis Munoz Marin International Airport

•

SJU

12km

•

Frequently asked questions (FAQ)

Answers to questions about the route that travelers are most interested in.

What is the cheapest price for flights from Madrid to San Juan?

The cheapest flight ticket from Madrid to San Juan according to data for the last 48 hours costs $491

When is the best time to buy air tickets on the route Madrid — San Juan?

Often the best time to buy tickets from Madrid to San Juan is 2 months before departure.

When is the cheapest time of year to fly from Madrid to San Juan?

Based on statistics over the past years, the lowest prices for flights from Madrid to San Juan can be found flying in these months: June, March, May.

How long does it take to fly from Madrid to San Juan?

The fastest flights from Madrid to San Juan start from 9 hours 10 minutes in the air.

Which airline can fly direct from Madrid to San Juan?

The following airlines operate direct flights on the route Madrid — San Juan: Iberia

Special offers and sales on air tickets from Madrid to San Juan

We keep tight track on airlines' pre-holidays sales and other special offers occurences all the time to let you save maximum amount of funds while traveling to your family or just going out on vacation.

We couldn't find any special offers for flights from Madrid to San Juan

Alternative routes

Albacete ➜ San Juan•Burgos ➜ San Juan•Logrono ➜ San Juan•Valladolid ➜ San Juan•Zaragoza ➜ San Juan•Madrid ➜ Cap Haitien•Madrid ➜ Caracas•Madrid ➜ Les Cayes•Madrid ➜ Fort De France•Madrid ➜ La Romana•Madrid ➜ Port Au Prince•Madrid ➜ Porlamar•Madrid ➜ Puerto Plata•Madrid ➜ Ponce•Madrid ➜ Santiago

•••••••••••••••••••

Cheapest one way flight

$491

Iberia

Direct flight

9h 10m

03/29/2027

The cheapest one-way flight from Madrid to San Juan departs on 03/29/2027, is operated by Iberia and costs $491

Cheapest round trip flight

$802

United Airlines

1 layover

1d 18h 9m

06/06/2026

The cheapest roundtrip flight from Madrid to San Juan departs on 06/06/2026, is operated by United Airlines and costs $802

The fastest flight