Cheapest return flights from San Jose to Frankfurt in September from $825

Best time to book flights for San Jose (SJO) to Frankfurt (FRA) flights at AirHint

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

Return flights

16 Sep - 20 Sep Air France
18 Sep - 22 Sep Air France
01 Sep - 13 Oct Air France
01 Sep - 28 Sep Air France
02 Sep - 14 Oct Air France
26 Sep - 11 Oct Air France
16 Sep - 20 Sep Lufthansa direct
02 Sep - 14 Oct Lufthansa direct

Also check the deals for one-way flights from San Jose to Frankfurt in September.

Skyscanner

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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