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

Return flights

25 Aug - 05 Sep	Air France
20 Aug - 10 Sep	Air France
18 Aug - 05 Sep	Air France
17 Aug - 08 Sep	Air France
24 Aug - 31 Aug	Air France
17 Aug - 05 Sep	Air France
17 Aug - 06 Sep	Air France
01 Aug - 12 Aug	TAP
24 Aug - 28 Aug	Air France
02 Aug - 12 Aug	TAP
01 Aug - 14 Aug	TAP
06 Aug - 17 Aug	TAP
03 Aug - 17 Aug	TAP
17 Aug - 31 Aug	Air France
22 Aug - 31 Aug	Air France
01 Aug - 09 Aug	TAP
17 Aug - 07 Sep	Air France
17 Aug - 06 Sep	Iberia	direct
17 Aug - 07 Sep	Iberia	direct
25 Aug - 05 Sep	Iberia	direct

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 726€

Return flights