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

Return flights

01 Jun - 13 Jun	Air France
05 Jun - 19 Jun	Air France
20 Jun - 30 Jun	Air France
15 Jun - 02 Jul	Air France
21 Jun - 07 Jul	Air France
13 Jun - 30 Jun	KLM
02 Jun - 16 Jun	KLM
09 Jun - 30 Jun	KLM
16 Jun - 28 Jun	KLM
02 Jun - 13 Jun	KLM
02 Jun - 30 Jun	KLM
03 Jun - 18 Jun	Air France
20 Jun - 14 Jul	Air France
14 Jun - 02 Jul	Air France
22 Jun - 02 Jul	KLM
23 Jun - 09 Jul	KLM
16 Jun - 04 Jul	KLM
01 Jun - 31 Jul	Air France
25 Jun - 11 Jul	KLM
20 Jun - 09 Jul	SWISS

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

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 June from 536€

Return flights