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

Return flights

04 Jul - 17 Jul	Air France
04 Jul - 11 Jul	Air France
04 Jul - 14 Jul	Air France
04 Jul - 20 Jul	Air France
03 Jul - 26 Jul	KLM
04 Jul - 10 Jul	Air France
04 Jul - 16 Jul	Air France
03 Jul - 07 Jul	KLM
08 Jul - 29 Jul	United
08 Jul - 19 Jul	United
08 Jul - 09 Aug	United
09 Jul - 03 Aug	United
22 Jul - 02 Aug	United
24 Jul - 10 Aug	United
22 Jul - 05 Aug	United
22 Jul - 06 Aug	United
22 Jul - 12 Aug	United
27 Jul - 13 Aug	United
28 Jul - 14 Aug	United
12 Jul - 09 Aug	United

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

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 July from 533€

Return flights