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

Return flights

22 Sep - 27 Oct	Iberojet	direct
15 Sep - 29 Sep	Iberojet	direct
08 Sep - 29 Sep	Iberojet	direct
10 Sep - 26 Sep	Iberojet	direct
10 Sep - 24 Sep	Iberojet	direct
15 Sep - 24 Sep	Iberojet	direct
12 Sep - 29 Sep	Iberojet	direct
01 Sep - 26 Sep	Iberojet	direct
05 Sep - 15 Sep	Air France
08 Sep - 30 Sep	Air France
16 Sep - 15 Oct	Delta
05 Sep - 18 Sep	Air France
25 Sep - 04 Oct	Air France
25 Sep - 11 Oct	Air France
15 Sep - 13 Oct	Delta
30 Sep - 08 Oct	TAP
26 Sep - 09 Oct	TAP
30 Sep - 09 Oct	TAP
18 Sep - 03 Oct	Air France
29 Sep - 08 Oct	jetBlue

Also check the deals for one-way flights from Madrid to San Jose 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 Madrid to San Jose in September from 634€

Return flights