AirHint found the following cheapest return flights from San Jose (SJO) to Madrid (MAD) in August 2025 (see full year).

Return flights

31 Aug - 15 Sep	Spirit Airlines
31 Aug - 06 Sep	Air France
31 Aug - 13 Sep	Air France
31 Aug - 07 Sep	Spirit Airlines
30 Aug - 16 Sep	Air France
30 Aug - 06 Sep	KLM
28 Aug - 11 Sep	Air France
28 Aug - 18 Sep	Air France
28 Aug - 13 Sep	Air France
28 Aug - 31 Aug	Avianca
28 Aug - 02 Sep	Air France

Also check the deals for one-way flights from San Jose to Madrid in August.

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 San Jose to Madrid in August from $786

Return flights