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

Return flights

26 Aug - 30 Sep	Iberojet	direct
26 Aug - 23 Sep	Air France
26 Aug - 26 Sep	Air France
29 Aug - 24 Sep	Air France
26 Aug - 24 Sep	Air France
26 Aug - 28 Sep	TAP
27 Aug - 22 Sep	TAP
30 Aug - 25 Sep	Iberojet	direct
26 Aug - 25 Sep	Iberojet	direct
26 Aug - 22 Sep	TAP
21 Aug - 24 Aug	Iberojet
26 Aug - 31 Aug	TAP
20 Aug - 24 Aug	WORLD2FLY
16 Aug - 20 Aug	Air France
19 Aug - 22 Aug	Air France
19 Aug - 30 Aug	Iberojet
23 Aug - 31 Aug	WORLD2FLY
22 Aug - 29 Aug	Avianca
18 Aug - 20 Aug	Air France
21 Aug - 31 Aug	Iberojet

Also check the deals for one-way flights from Madrid to San Jose 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 Madrid to San Jose in August from 588€

Return flights