Cheapest return flights from Madrid to San Juan in September from $607

Best time to book flights for Madrid (MAD) to San Juan (SJU) flights at AirHint

AirHint found the following cheapest return flights from Madrid (MAD) to San Juan (SJU) in September 2025 (see full year).

Return flights

09 Sep - 15 Sep Iberia direct
04 Sep - 15 Sep Iberia direct
17 Sep - 24 Sep Iberia direct
03 Sep - 09 Sep Iberia direct
08 Sep - 23 Sep Finnair direct
04 Sep - 11 Sep Iberia direct
03 Sep - 15 Sep Iberia direct
11 Sep - 16 Sep Iberia direct
30 Sep - 14 Oct Iberia
25 Sep - 06 Oct Iberia
22 Sep - 02 Oct Iberia
04 Sep - 13 Sep Iberia direct
04 Sep - 14 Sep Iberia direct
26 Sep - 07 Oct Finnair direct
27 Sep - 06 Oct Iberia
30 Sep - 14 Oct Finnair direct
22 Sep - 02 Oct Finnair direct

Also check the deals for one-way flights from Madrid to San Juan in September.

Skyscanner

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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