Cheapest return flights from Frankfurt to San Jose in September from 544€

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

Return flights

18 Sep - 03 Oct Air France
17 Sep - 29 Sep Air France
01 Sep - 21 Sep Air France
17 Sep - 03 Oct Air France
17 Sep - 11 Oct Air France
04 Sep - 21 Sep Air France
01 Sep - 14 Sep Air France
12 Sep - 29 Sep Air France
03 Sep - 21 Sep Air France
01 Sep - 30 Sep Air France
11 Sep - 29 Sep Air France
17 Sep - 30 Sep Air France
02 Sep - 20 Sep Air France
19 Sep - 03 Oct KLM
17 Sep - 08 Oct KLM
12 Sep - 03 Oct KLM
14 Sep - 14 Oct KLM
24 Sep - 13 Oct KLM
15 Sep - 06 Oct KLM
30 Sep - 14 Oct Air France

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

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