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

Return flights

02 Mar - 11 Mar	Air France
10 Mar - 19 Mar	Air France
10 Mar - 29 Mar	Air France
10 Mar - 25 Mar	Air France
17 Mar - 29 Mar	Air France
03 Mar - 19 Mar	Air France
09 Mar - 19 Mar	Air France
09 Mar - 25 Mar	Air France
03 Mar - 02 Apr	Air France
10 Mar - 17 Mar	KLM
10 Mar - 16 Mar	KLM
10 Mar - 02 Apr	KLM
08 Mar - 02 Apr	Air France
05 Mar - 03 Apr	KLM
19 Mar - 03 Apr	KLM
03 Mar - 25 Apr	Brussels Airlines
03 Mar - 01 Apr	Brussels Airlines
31 Mar - 07 Apr	United
18 Mar - 07 Apr	United
23 Mar - 07 Apr	United

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 573€

Return flights