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

Return flights

30 Apr - 14 May	Air Canada
24 Apr - 21 May	Air Canada
23 Apr - 18 May	Air Canada
08 Apr - 21 Apr	United
09 Apr - 07 May	Air Canada
07 Apr - 28 Apr	United
15 Apr - 28 Apr	United
22 Apr - 28 Apr	United
14 Apr - 28 Apr	United
02 Apr - 16 Apr	Air France
01 Apr - 23 Apr	United
14 Apr - 29 Apr	Air Canada
25 Apr - 09 May	Air France
15 Apr - 30 Apr	United
14 Apr - 30 Apr	United
30 Apr - 12 May	United
29 Apr - 09 May	Air France
22 Apr - 05 May	KLM
18 Apr - 02 May	KLM
08 Apr - 05 May	KLM

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 510€

Return flights