AirHint found the following cheapest return flights from Frankfurt (FRA) to San Jose (SJO) in October 2026 (see full year).

Return flights

07 Oct - 22 Oct	Air Canada
24 Oct - 07 Nov	Air Canada
23 Oct - 13 Nov	Air Canada
31 Oct - 28 Nov	Air Canada
31 Oct - 14 Nov	Air Canada
31 Oct - 12 Nov	Air Canada
24 Oct - 19 Nov	Air Canada
08 Oct - 24 Oct	Air Canada
15 Oct - 22 Oct	Air Canada
20 Oct - 27 Oct	Air Canada
20 Oct - 17 Nov	Air Canada
06 Oct - 27 Oct	Air Canada
19 Oct - 16 Nov	KLM
01 Oct - 12 Nov	Air Canada
03 Oct - 27 Oct	Air France
02 Oct - 16 Oct	Iberia
01 Oct - 09 Oct	Iberia
01 Oct - 11 Oct	Iberia
01 Oct - 12 Oct	Iberia
24 Oct - 18 Nov	KLM

Also check the deals for one-way flights from Frankfurt 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 Frankfurt to San Jose in October from 601€

Return flights