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

Return flights

29 Jul - 07 Aug	United
29 Jul - 03 Aug	United
29 Jul - 12 Aug	United
25 Jul - 12 Aug	United
24 Jul - 28 Jul	United
26 Jul - 28 Jul	United
25 Jul - 13 Aug	United
26 Jul - 12 Aug	United
26 Jul - 03 Aug	United
31 Jul - 19 Aug	United
31 Jul - 07 Aug	United
29 Jul - 28 Aug	United
27 Jul - 30 Jul	United
24 Jul - 31 Jul	United
24 Jul - 26 Jul	United
31 Jul - 31 Jul	Air France
24 Jul - 31 Jul	Lufthansa	direct
24 Jul - 26 Jul	Lufthansa	direct
31 Jul - 31 Jul	Lufthansa	direct

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 788€

Return flights