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

Return flights

18 Jan - 28 Jan	Air Canada
30 Jan - 11 Feb	Air Canada
29 Jan - 11 Feb	Air Canada
26 Jan - 09 Feb	Air Canada
21 Jan - 05 Feb	Air Canada
31 Jan - 18 Feb	Air Canada
27 Jan - 03 Feb	Air Canada
27 Jan - 12 Feb	Air Canada
27 Jan - 10 Feb	Air Canada
24 Jan - 09 Feb	Air Canada
17 Jan - 09 Feb	Air Canada
22 Jan - 29 Jan	Air Canada
15 Jan - 25 Jan	Air Canada
17 Jan - 29 Jan	Air Canada
17 Jan - 27 Jan	Air Canada
01 Jan - 19 Jan	KLM
01 Jan - 22 Jan	KLM
01 Jan - 20 Jan	KLM
19 Jan - 31 Jan	United
10 Jan - 22 Jan	Air Canada

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

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 January from 544€

Return flights