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

Return flights

29 Aug - 10 Sep	SWISS
30 Aug - 14 Sep	United
30 Aug - 11 Sep	United
30 Aug - 20 Sep	United
30 Aug - 15 Sep	United
30 Aug - 19 Sep	United
26 Aug - 09 Sep	United
25 Aug - 08 Sep	United
22 Aug - 28 Aug	United
23 Aug - 28 Aug	United
31 Aug - 23 Sep	United
29 Aug - 20 Sep	United
25 Aug - 31 Aug	United
21 Aug - 26 Aug	United
23 Aug - 31 Aug	United
21 Aug - 31 Aug	United
21 Aug - 28 Aug	United
19 Aug - 26 Aug	United
20 Aug - 26 Aug	United
16 Aug - 19 Aug	United

Also check the deals for one-way flights from Amsterdam 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 Amsterdam to San Jose in August from 547€

Return flights