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

Return flights

06 Oct - 13 Oct	Avianca
02 Oct - 09 Oct	Avianca
13 Oct - 17 Oct	Avianca
08 Oct - 12 Oct	Avianca
10 Oct - 17 Oct	Avianca
05 Oct - 12 Oct	Avianca
01 Oct - 07 Oct	Avianca
16 Oct - 19 Oct	Avianca
25 Oct - 06 Nov	Avianca
13 Oct - 20 Oct	Avianca
16 Oct - 21 Oct	Avianca
29 Oct - 03 Nov	Avianca	direct
30 Oct - 05 Nov	Avianca
30 Oct - 04 Nov	Avianca
26 Oct - 02 Nov	Avianca
29 Oct - 08 Nov	Viva
29 Oct - 04 Nov	Viva
29 Oct - 05 Nov	Avianca	direct
26 Oct - 01 Nov	Avianca
23 Oct - 01 Nov	Avianca

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.

Book a cheap hotel in San Jose

Cheap car rent in San Jose

Cheapest return flights from Mexico City to San Jose in October from 208€

Return flights