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

Return flights

11 Oct - 18 Oct	Norse Atlantic Airways
30 Oct - 11 Nov	FrenchBee
04 Oct - 18 Oct	FrenchBee
28 Oct - 15 Nov	FrenchBee
04 Oct - 25 Oct	FrenchBee
01 Oct - 16 Oct	FrenchBee
25 Oct - 01 Nov	jetBlue
01 Oct - 15 Oct	Air Europa
05 Oct - 26 Oct	Delta
06 Oct - 20 Oct	Delta
01 Oct - 12 Oct	Delta
31 Oct - 16 Nov	Delta
24 Oct - 31 Oct	Avianca
20 Oct - 02 Nov	Avianca
20 Oct - 01 Nov	Avianca
16 Oct - 03 Nov	Delta
10 Oct - 20 Oct	Avianca
28 Oct - 15 Nov	Air France	direct
30 Oct - 11 Nov	Air France	direct
31 Oct - 16 Nov	Air France	direct

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 599€

Return flights