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

Return flights

14 Oct - 10 Nov	Avianca
03 Oct - 07 Oct	Spirit Airlines
16 Oct - 30 Oct	Spirit Airlines
23 Oct - 06 Nov	Spirit Airlines
23 Oct - 13 Nov	Condor
01 Oct - 15 Oct	Air France
09 Oct - 23 Oct	KLM
01 Oct - 17 Oct	Air France
30 Oct - 15 Nov	Air France
02 Oct - 04 Nov	Air France
07 Oct - 23 Oct	Air France
16 Oct - 30 Oct	Lufthansa	direct
07 Oct - 23 Oct	Lufthansa	direct
02 Oct - 23 Oct	Lufthansa	direct
09 Oct - 23 Oct	Lufthansa	direct
02 Oct - 04 Nov	Lufthansa	direct
23 Oct - 13 Nov	Lufthansa	direct
30 Oct - 15 Nov	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 $714

Return flights