Cheap flights from Madrid to San Juan from $923 MAD → SJU
Adolfo Suarez Madrid-Barajas Airport (MAD) → Luis Munoz Marin International Airport (SJU)
The cheapest return found recently is $923 with Iberia, 6 Jan 2027 – 18 Jan 2027, found yesterday.
- Cheapest return found recently
- $923, 6 Jan 2027 to 18 Jan 2027
- Usual return price
- $953 to $1,032
- Cheapest month to fly
- January 2027, return fares from $923 found in the last 7 days
Return
The cheapest return fare on each of 3 departure dates is usually $953 to $1,032.
Cheapest return found recently
$923
6 Jan 2027 – 18 Jan 2027 · Iberia
Adolfo Suarez Madrid-Barajas Airport (MAD) → Luis Munoz Marin International Airport (SJU)
Leaves 4:00 p.m. · Return leaves 9:35 p.m. · 17 h of travel, both ways together
out nonstop, back nonstop
found yesterday
Cheapest nonstop return
$923
6 Jan 2027 – 18 Jan 2027 · Iberia
Adolfo Suarez Madrid-Barajas Airport (MAD) → Luis Munoz Marin International Airport (SJU)
Leaves 4:00 p.m. · Return leaves 9:35 p.m. · 17 h of travel, both ways together
out nonstop, back nonstop
found yesterday
Found recently, and the cheapest we hold
$923 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 41 days, 28 Sept to 9 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
3 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 | $923 | 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 $923.
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 18% lower than 30 to 59 days before departure.
From the cheapest return each day between 28 Sept and 9 Nov (41 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 | $870 | $780 | +22% | 21 |
| 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 $923 with Iberia, 6 Jan 2027 to 18 Jan 2027, found yesterday. The cheapest return fare on each of 3 departure dates is usually $953 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 $923, 6 Jan 2027 to 18 Jan 2027, found yesterday.
How far ahead should I book a flight from Madrid to San Juan?
In 41 days of prices between 28 Sept and 9 Nov, return fares 90 to 179 days before departure were typically 18% 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 $923 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