Cheapest return flights from San Jose to Frankfurt in September from $917

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

Return flights

11 Sep - 21 Sep KLM
12 Sep - 22 Sep United
08 Sep - 16 Sep KLM
08 Sep - 01 Oct Air France
10 Sep - 24 Sep Avianca
08 Sep - 19 Sep Air France
10 Sep - 21 Sep KLM
02 Sep - 27 Sep Air France
01 Sep - 26 Sep Air France
01 Sep - 26 Sep Lufthansa direct
08 Sep - 19 Sep Lufthansa direct
08 Sep - 01 Oct Lufthansa direct
12 Sep - 10 Oct Lufthansa direct

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

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