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

Return flights

07 Oct - 18 Oct	Norse Atlantic Airways
04 Oct - 11 Oct	Norse Atlantic Airways
13 Oct - 20 Oct	SWISS
11 Oct - 22 Oct	Norse Atlantic Airways
06 Oct - 20 Oct	Delta
13 Oct - 26 Oct	Delta
11 Oct - 08 Nov	Delta
13 Oct - 08 Nov	Delta
13 Oct - 11 Nov	Delta
11 Oct - 11 Nov	Delta
22 Oct - 02 Nov	Delta
05 Oct - 26 Oct	Delta
04 Oct - 26 Oct	Delta
06 Oct - 26 Oct	Delta
02 Oct - 13 Oct	Delta
26 Oct - 24 Nov	Delta
26 Oct - 02 Nov	Delta
13 Oct - 10 Nov	Delta
11 Oct - 09 Nov	Delta
11 Oct - 10 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 $723

Return flights