AirHint found the following cheapest return flights from Madrid (MAD) to San Jose (SJO) in August 2026 (see full year).

Return flights

25 Aug - 15 Sep	Air France
22 Aug - 05 Sep	Air France
24 Aug - 05 Sep	Air France
25 Aug - 03 Sep	Air France
18 Aug - 27 Aug	Iberojet	direct
21 Aug - 06 Sep	Air France
25 Aug - 15 Sep	Iberojet	direct
06 Aug - 16 Aug	FlyOne (Romania)
17 Aug - 01 Sep	KLM
29 Aug - 12 Sep	Air France
25 Aug - 11 Sep	Air France
18 Aug - 11 Sep	Iberojet
07 Aug - 16 Aug	Air Europa
03 Aug - 16 Aug	Air Europa
15 Aug - 23 Aug	Air Europa
07 Aug - 17 Aug	Air Europa
10 Aug - 22 Aug	Air Europa
03 Aug - 10 Aug	Air Europa
01 Aug - 16 Aug	TAP
15 Aug - 22 Aug	Air Europa

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 $657

Return flights