Cheap flights from Madrid to San Juan
from 376 US$

From 789 USD — compare hundreds of airlines

We search 100+ flight sitesDirect flights~8h 28mReturn route: San Juan → Madrid

The cheapest month is usually 2026-09 · 376 US$

Live fares from 100+ sites — free, with no hidden fees.

About this route

Compare flights from Madrid to San Juan, a about 6,374 km route (around 8h 28m nonstop). We gather live prices from hundreds of airlines and agencies so you can find the cheapest and book on the official site, with no hidden fees. Direct flights are available. Airlines such as American Airlines, British Airways, Iberia operate this route.

Nonstop time

8h 28m

Distance

6,374 km

Stops

Nonstop

Airlines

The airports on this route

Madrid

Aeropuerto Adolfo Suárez Madrid-BarajasMAD

About 15 km from central Madrid

Getting around: Metro (line 8), Cercanías trains, express buses, taxis and apps

Taxis to the center run on an official flat rate — no meter surprises.

San Juan

Aeropuerto Internacional Luis Muñoz MarínSJU

About 13 km from Old San Juan

Getting around: Taxis, apps, shuttles and rental cars

When to buy and when to fly

Prices by date

Fares found by date — cheapest days in green.

See prices for my dates →

376 US$

09/09

423 US$

10/09

423 US$

11/09

423 US$

12/09

423 US$

13/09

423 US$

14/09

423 US$

15/09

423 US$

16/09

423 US$

17/09

470 US$

18/09

557 US$

19/09

492 US$

20/09

How to get the best price

1The sticker price is real — but it moves fastLow fares last hours or days. If the number works, search it today; waiting rarely improves it.

2Buy 4–8 weeks aheadThat window usually holds the best fares; holidays call for even more margin.

3Flexibility = moneyShifting departure 2–3 days can move the fare 100+ US$. Tuesdays and Wednesdays tend to be cheap.

Airlines on this route

American Airlines British Airways Iberia

FAQ

What's the cheapest month to fly Madrid to San Juan?

It's usually 2026-09, from 376 USD. Use the price calendar to compare other dates.

How long is the flight from Madrid to San Juan?

A nonstop flight takes about 8h 28m and covers around 6,374 km. Connecting itineraries take longer.

Are there direct flights from Madrid to San Juan?

Yes, this route has nonstop flights. Filter by "nonstop" to see them.

Which airlines fly from Madrid to San Juan?

American Airlines, British Airways, Iberia operate this route, among others. Compare them all in the results.

When should I book Madrid–San Juan flights?

As a rule of thumb, booking 3–8 weeks ahead and avoiding weekends and holidays tends to give the best prices. Use the calendar to spot the cheapest dates.