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

Return flights

11 Oct - 18 Oct	Air France
12 Oct - 19 Oct	KLM
01 Oct - 17 Oct	Air France
06 Oct - 20 Oct	Air France
04 Oct - 25 Oct	Air France
03 Oct - 24 Oct	Air France
07 Oct - 28 Oct	Air France
06 Oct - 27 Oct	Air France
02 Oct - 23 Oct	Lufthansa	direct
07 Oct - 28 Oct	Lufthansa	direct

Also check the deals for one-way flights from San Jose to Frankfurt 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 San Jose to Frankfurt in October from 715€

Return flights