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

Return flights

08 Sep - 17 Sep	Spirit Airlines
08 Sep - 15 Sep	Spirit Airlines
03 Sep - 10 Sep	Spirit Airlines
30 Sep - 09 Oct	Iberojet	direct
18 Sep - 25 Sep	Air France
23 Sep - 30 Sep	Iberojet	direct
30 Sep - 21 Oct	Iberojet	direct
30 Sep - 14 Oct	Iberojet	direct
18 Sep - 07 Oct	Air France
27 Sep - 14 Oct	Iberojet	direct
23 Sep - 14 Oct	Iberojet	direct
25 Sep - 14 Oct	Iberojet	direct
17 Sep - 24 Sep	KLM
12 Sep - 21 Sep	jetBlue
14 Sep - 21 Sep	Spirit Airlines
13 Sep - 23 Sep	Air France
27 Sep - 25 Oct	Air France
07 Sep - 14 Sep	Avianca
18 Sep - 21 Oct	Air France
18 Sep - 06 Oct	Air France

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

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 September from 501€

Return flights