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

Return flights

02 Oct - 13 Oct	Norse Atlantic Airways
02 Oct - 09 Oct	Norse Atlantic Airways
16 Oct - 30 Oct	Avianca
03 Oct - 31 Oct	Avianca
06 Oct - 26 Oct	Avianca
03 Oct - 11 Oct	Avianca
06 Oct - 16 Oct	Avianca
06 Oct - 17 Oct	Avianca
06 Oct - 19 Oct	Avianca
26 Oct - 24 Nov	Avianca
22 Oct - 02 Nov	Avianca
24 Oct - 02 Nov	Avianca
24 Oct - 31 Oct	Avianca
28 Oct - 02 Nov	Avianca
16 Oct - 02 Nov	Avianca
21 Oct - 01 Nov	Avianca
24 Oct - 01 Nov	Avianca
20 Oct - 09 Nov	Avianca
27 Oct - 01 Nov	Avianca
01 Oct - 01 Nov	Delta

Also check the deals for one-way flights from Paris 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 Paris to San Jose in October from 625€

Return flights