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

Return flights

24 Mar - 31 Mar	Air Canada
24 Mar - 14 Apr	Air Canada
10 Mar - 31 Mar	Air Canada
02 Mar - 16 Mar	Air Canada
09 Mar - 16 Mar	Air Canada
10 Mar - 17 Mar	Air Canada
17 Mar - 26 Mar	Air Canada
31 Mar - 14 Apr	Air Canada
03 Mar - 17 Mar	Air Canada
25 Mar - 30 Mar	Air Canada
02 Mar - 17 Mar	Air Canada
01 Mar - 17 Mar	Air Canada
25 Mar - 08 Apr	United
17 Mar - 02 Apr	United
16 Mar - 02 Apr	United
24 Mar - 13 Apr	United
27 Mar - 17 Apr	Air Canada
12 Mar - 02 Apr	Lufthansa
19 Mar - 02 Apr	Lufthansa
21 Mar - 07 Apr	KLM

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

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 March from $631

Return flights