Cheapest return flights from Frankfurt to San Jose in December from 710€

AirHint found the following cheapest return flights from Frankfurt (FRA) to San Jose (SJO) in December 2025 (see full year).

Return flights

27 Dec - 23 Jan United
24 Dec - 31 Dec KLM
27 Dec - 15 Jan United
26 Dec - 12 Jan United
30 Dec - 15 Jan United
26 Dec - 11 Jan United
27 Dec - 13 Jan United
29 Dec - 12 Jan United
29 Dec - 27 Jan United
24 Dec - 28 Dec Air France
24 Dec - 30 Dec British Airways
29 Dec - 25 Jan United
29 Dec - 13 Jan United
22 Dec - 24 Dec United
25 Dec - 31 Dec United
23 Dec - 26 Dec Iberia
21 Dec - 28 Dec Air France
23 Dec - 27 Dec KLM
25 Dec - 30 Dec United
27 Dec - 30 Dec United

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

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