Cheap flights from Madrid to San Juan from $819 MAD → SJU
Adolfo Suarez Madrid-Barajas Airport (MAD) → Luis Munoz Marin International Airport (SJU)
The cheapest return found recently is $819 with Iberia, 6 Jan 2027 – 18 Jan 2027, found yesterday.
- Cheapest return found recently
- $819, 6 Jan 2027 to 18 Jan 2027
- Usual return price
- $901 to $1,032
- Cheapest month to fly
- January 2027, return fares from $819 found in the last 7 days
Return
The cheapest return fare on each of 3 departure dates is usually $901 to $1,032.
Cheapest return found recently
$819
6 Jan 2027 – 18 Jan 2027 · Iberia
Adolfo Suarez Madrid-Barajas Airport (MAD) → Luis Munoz Marin International Airport (SJU)
Leaves 12:35 p.m. · Return leaves 9:35 p.m. · 17 h 5 min of travel, both ways together
out nonstop, back nonstop
found yesterday
Cheapest nonstop return
$819
6 Jan 2027 – 18 Jan 2027 · Iberia
Adolfo Suarez Madrid-Barajas Airport (MAD) → Luis Munoz Marin International Airport (SJU)
Leaves 12:35 p.m. · Return leaves 9:35 p.m. · 17 h 5 min of travel, both ways together
out nonstop, back nonstop
found yesterday
Found recently, and the cheapest we hold
$819 6 Jan 2027 – 18 Jan 2027found yesterdaySee prices for these dates
It is also the cheapest return we hold, of any age.
What have prices looked like?
Over 42 days, 28 Sept to 12 Nov, the cheapest return we saw each day was $669 to $982.
Those were the prices on those days, not today's.
Is this a good return price?
Compared with the cheapest return fare on each of 3 departure dates from 23 Dec to 6 Jan 2027, found by travelers' searches in the last 7 days (economy, the price the seller showed on Aviasales). The usual range is the middle half of those prices.
Could nearby dates be cheaper?
We hold no other 12-night return fares leaving within 3 days of 6 Jan 2027 to compare.
Every date we hold
5 fares on 3 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 23 Dec – 1 Jan 2027 | $982 | TAP Air Portugal | Adolfo Suarez Madrid-Barajas Airport (MAD) → Luis Munoz Marin International Airport (SJU) | out 2 stops, back nonstop | found 5 days ago | See prices for these dates |
| 2 Jan 2027 – 16 Jan 2027 | $1,082 | Iberia | Adolfo Suarez Madrid-Barajas Airport (MAD) → Luis Munoz Marin International Airport (SJU) | out nonstop, back nonstop | found yesterday | See prices for these dates |
| 6 Jan 2027 – 18 Jan 2027 | $819 | Iberia | Adolfo Suarez Madrid-Barajas Airport (MAD) → Luis Munoz Marin International Airport (SJU) | out nonstop, back nonstop | found yesterday | See prices for these dates |
Which month looks cheapest?
January 2027 is the cheapest month — from $819.
Airlines on the cheapest dates: Iberia, TAP Air Portugal.
Premium cabin fares from Madrid to San Juan
We hold no premium economy, business or first-class fares for this route: we collect them for the busiest routes, and this one is not among them yet.
Today's prices for 6 Jan 2027 – 18 Jan 2027 in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for Madrid to San Juan?
Return
Fares 90 to 179 days before departure were typically 16% lower than 30 to 59 days before departure.
From the cheapest return each day between 28 Sept and 12 Nov (42 days), grouped by how many days ahead the flight left; one adult in economy.
Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.
Prices reflect recent searches — current fares may differ.
See these ranges as a table
| Booked ahead by | Typical fare | Cheapest day | Above the cheapest | Days of prices |
|---|---|---|---|---|
| 30–59 days | $845 | $780 | +18% | 22 |
| 60–89 days | $965 | $964 | +35% | 15 |
| 90–179 days | $713 | $669 | Cheapest seen | 19 |
Live price for these dates
The cheapest return found recently is for 6 Jan 2027 – 18 Jan 2027. A live search on this page shows what those dates cost now, for one adult in economy.
Questions about this trip
How much is a return flight from Madrid to San Juan?
The cheapest return found recently is $819 with Iberia, 6 Jan 2027 to 18 Jan 2027, found yesterday. The cheapest return fare on each of 3 departure dates is usually $901 to $1,032.
What is the cheapest month to fly from Madrid to San Juan?
January 2027 is the cheapest month for a return, from $819, 6 Jan 2027 to 18 Jan 2027, found yesterday.
How far ahead should I book a flight from Madrid to San Juan?
In 42 days of prices between 28 Sept and 12 Nov, return fares 90 to 179 days before departure were typically 16% lower than 30 to 59 days before departure.
Is there a direct flight from Madrid to San Juan?
Yes, the cheapest nonstop return found recently is $819 with Iberia, 6 Jan 2027 to 18 Jan 2027, found yesterday.
Which airlines have the cheapest flights from Madrid to San Juan?
Between 23 Dec and 6 Jan 2027, Iberia has the cheapest return on 2 of the 3 departure dates we hold, and TAP Air Portugal on 1.
Prices are what travelers' searches on Aviasales found in the last 7 days, in US dollars: the price the seller showed on Aviasales; bags may cost extra. Fares change, so check today's price before you book. How our prices work