AirHint found the following cheapest return flights from Athens (ATH) to San Jose (SJO) in August 2025 (see full year).

Return flights

07 Aug - 17 Aug	Air Canada
07 Aug - 24 Aug	Air Canada
13 Aug - 24 Aug	Air Canada
07 Aug - 20 Aug	Air Canada
08 Aug - 24 Aug	Air Canada
04 Aug - 17 Aug	Air Canada
08 Aug - 23 Aug	Norse Atlantic Airways
08 Aug - 19 Aug	United
13 Aug - 25 Aug	United
02 Aug - 16 Aug	Air Canada

Also check the deals for one-way flights from Athens to San Jose in August.

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 Athens to San Jose in August from $859

Return flights