Cheapest return flights from Frankfurt to San Jose in September from 523€

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

01 Sep - 25 Sep Air France
04 Sep - 20 Sep Air France
01 Sep - 08 Sep Air France
06 Sep - 20 Sep Air France
01 Sep - 30 Sep Air France
01 Sep - 21 Sep Air France
11 Sep - 25 Sep Air France
04 Sep - 25 Sep Air France
06 Sep - 09 Sep Air France
04 Sep - 04 Oct Air France
06 Sep - 06 Oct Air France
25 Sep - 09 Oct Air France
11 Sep - 04 Oct Air France
02 Sep - 23 Sep KLM
18 Sep - 04 Oct KLM
16 Sep - 04 Oct KLM
23 Sep - 07 Oct KLM
02 Sep - 01 Oct KLM
26 Sep - 11 Oct Air France
16 Sep - 25 Oct KLM

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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