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

Return flights

14 Apr - 21 Apr	Air France
21 Apr - 28 Apr	Air France
14 Apr - 28 Apr	Air France
14 Apr - 05 May	Air France
26 Apr - 09 May	Air France
27 Apr - 09 May	Air France
24 Apr - 09 May	Air France
23 Apr - 21 May	Air France
13 Apr - 28 Apr	Air France
25 Apr - 09 May	Air France
14 Apr - 06 May	American Airlines
15 Apr - 06 May	Air France
01 Apr - 29 May	Air France
06 Apr - 24 Apr	KLM
18 Apr - 28 Apr	KLM
07 Apr - 24 Apr	KLM
08 Apr - 23 Apr	KLM
03 Apr - 21 Apr	Air France
06 Apr - 19 Apr	KLM
10 Apr - 01 May	Air France

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

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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Cheapest return flights from Frankfurt to San Jose in April from 584€

Return flights