There are most likely no direct flights on the Madrid — San Juan route
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.
In different months, ticket prices from Madrid to San Juan vary: minimum — $423 (February 2027), maximum — $667 (December 2026). Typically, the flight costs $506–$1,004.
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.
•
•
•
•
•
•
Answers to questions about the route that travelers are most interested in.
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.
Tickets from Madrid to San Juan are getting more expensive each month. From September 2026 to February 2027, the increase reached 3%, with prices now at $423. It's unlikely to get cheaper than the current level.
The most significant price increase was from September 2026 to December 2026 — up 53%. The best time to fly is September 2026–October 2026, when the average price is $471. In November 2026–December 2026, tickets cost around $584.
Given the rising prices, it's best not to delay your purchase. Flying in September 2026–October 2026 can save you up to 19% compared to the most expensive months.
Price variation across months on this route is 17.1%. Your choice of departure month significantly affects the total flight cost.
There are most likely no direct flights on the Madrid — San Juan route
Madrid — San Juan
10/03/2026
Departure
Direct flight
IB381
starting at $2,241
Madrid — San Juan
10/04/2026
Departure
Direct flight
IB381
starting at $1,108
starting at $1,108
starting at $558
The Madrid — San Juan route is served by multiple airlines, including Iberia and Welcome Air. This is convenient for those who want the best balance of price, schedule, and travel conditions. Tickets start from $558, and depending on season and promotions, even better deals may appear. With our service, you can easily compare available options and book tickets that match your plans. The variety of carriers allows flexible choices and comfortable travel without overpaying.
The cheapest flight ticket from Madrid to San Juan according to data for the last 48 hours costs $558
Often the best time to buy tickets from Madrid to San Juan is 2 months before departure.
Based on statistics over the past years, the lowest prices for flights from Madrid to San Juan can be found flying in these months: February, September, November.
The fastest flights from Madrid to San Juan start from 5 hours 45 minutes in the air.
The following airlines operate direct flights on the route Madrid — San Juan: Iberia
The cheapest one-way flight from Madrid to San Juan departs on 10/04/2026, is operated by Welcome Air and costs $558
The cheapest roundtrip flight from Madrid to San Juan departs on 12/17/2026, is operated by Iberia and costs $1,102
Fastest flight from Madrid to San Juan takes 1d 5h 45m
There are direct flights on this route 2 days a week: Su and Sa
The distance between Madrid and San Juan is 6373km (3951 miles). There are 35 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 4:35 PM
We couldn't find any special offers for flights from Madrid to San Juan