Cheapest return flights from Madrid to San Juan in September from 559€

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

08 Sep - 16 Sep jetBlue
06 Sep - 14 Sep jetBlue
10 Sep - 17 Sep Finnair direct
02 Sep - 16 Sep Finnair direct
01 Sep - 15 Sep Finnair direct
01 Sep - 08 Sep Finnair direct
01 Sep - 11 Sep Finnair direct
02 Sep - 09 Sep Finnair direct
01 Sep - 09 Sep Finnair direct
15 Sep - 23 Sep Finnair direct
22 Sep - 02 Oct Finnair direct
24 Sep - 01 Oct Finnair direct
30 Sep - 07 Oct Finnair direct
16 Sep - 04 Oct Air France
16 Sep - 04 Oct Finnair direct
29 Sep - 05 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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