Cheapest return flights from Frankfurt to San Jose in September from 512€

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

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

Return flights

09 Sep - 30 Sep SWISS
17 Sep - 30 Sep SWISS
11 Sep - 30 Sep Lufthansa
17 Sep - 07 Oct SWISS
16 Sep - 07 Oct SWISS
11 Sep - 02 Oct Air Canada
11 Sep - 23 Sep SWISS
02 Sep - 23 Sep Lufthansa
18 Sep - 09 Oct Air Canada
04 Sep - 25 Sep Air France
12 Sep - 14 Sep Air France
11 Sep - 25 Sep Air France
22 Sep - 29 Sep Air France
05 Sep - 21 Sep Air France
24 Sep - 06 Oct Air France
24 Sep - 14 Oct Air France
24 Sep - 15 Oct Air France
02 Sep - 14 Oct Lufthansa
18 Sep - 04 Oct Air France
13 Sep - 04 Oct Air France

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