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

Return flights

19 Sep - 26 Sep	Copa
23 Sep - 02 Oct	KLM
30 Sep - 21 Oct	Spirit Airlines
30 Sep - 06 Oct	Spirit Airlines
20 Sep - 17 Oct	Spirit Airlines
25 Sep - 07 Oct	Avianca
27 Sep - 04 Oct	Spirit Airlines
24 Sep - 29 Sep	Spirit Airlines
23 Sep - 30 Sep	KLM
23 Sep - 16 Oct	KLM
16 Sep - 25 Sep	Air France
16 Sep - 22 Sep	Air France
16 Sep - 23 Sep	Air France
14 Sep - 23 Sep	Air France
16 Sep - 02 Oct	Air France
25 Sep - 02 Oct	KLM
16 Sep - 26 Sep	Air France
30 Sep - 11 Oct	Spirit Airlines
20 Sep - 23 Sep	Spirit Airlines
20 Sep - 30 Sep	Spirit Airlines

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.

Book a cheap hotel in Madrid

Cheap car rent in Madrid

Cheapest return flights from San Jose to Madrid in September from 643€

Return flights