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

Return flights

29 Jul - 05 Aug	Condor
30 Jul - 04 Aug	Condor
30 Jul - 09 Aug	Condor
28 Jul - 04 Aug	Condor
27 Jul - 09 Aug	Condor
30 Jul - 08 Aug	Condor
31 Jul - 06 Aug	Turkish Airlines
26 Jul - 03 Aug	Turkish Airlines
31 Jul - 05 Aug	Turkish Airlines
26 Jul - 10 Aug	Turkish Airlines
24 Jul - 31 Jul	Condor
21 Jul - 29 Jul	Ryanair
23 Jul - 26 Jul	Delta
21 Jul - 29 Jul	Finnair	direct
23 Jul - 30 Jul	Finnair	direct
21 Jul - 31 Jul	Finnair	direct
21 Jul - 27 Jul	Finnair	direct

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

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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Cheapest return flights from Madrid to San Juan in July from 810€

Return flights