AirHint found the following cheapest return flights from Mexico City (MEX) to San Jose (SJO) in October 2025 (see full year).

Return flights

16 Oct - 21 Oct	Avianca	direct
15 Oct - 20 Oct	Avianca	direct
31 Oct - 08 Nov	Avianca	direct
21 Oct - 26 Oct	Avianca
22 Oct - 26 Oct	Avianca
21 Oct - 11 Nov	Avianca	direct
31 Oct - 06 Nov	Avianca	direct
31 Oct - 04 Nov	Avianca	direct
30 Oct - 06 Nov	Avianca	direct
29 Oct - 05 Nov	Avianca	direct
24 Oct - 15 Nov	Avianca	direct
25 Oct - 06 Nov	Avianca
17 Oct - 21 Oct	Avianca	direct
28 Oct - 02 Nov	Avianca
23 Oct - 26 Oct	Avianca
27 Oct - 03 Nov	Avianca
16 Oct - 20 Oct	Avianca	direct
16 Oct - 18 Oct	Avianca	direct
15 Oct - 19 Oct	Avianca	direct
16 Oct - 19 Oct	Avianca	direct

Also check the deals for one-way flights from Mexico City to San Jose in October.

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 Mexico City to San Jose in October from 211€

Return flights