Cheapest return AMS–SJO flights, September

AirHint found the following cheapest return flights from Amsterdam (AMS) to San Jose (SJO) in September 2026 (see full year).

Return flights

22 Sep - 08 Oct Lufthansa
15 Sep - 20 Oct Lufthansa
11 Sep - 09 Oct SWISS
24 Sep - 15 Oct Air Canada
14 Sep - 19 Oct Air Canada
14 Sep - 22 Oct Air Canada
21 Sep - 07 Oct Air Canada
24 Sep - 09 Oct Air Canada
28 Sep - 04 Oct Air Canada
24 Sep - 02 Oct Air Canada
22 Sep - 29 Sep Air Canada
07 Sep - 20 Sep Delta
04 Sep - 20 Sep Delta
03 Sep - 14 Sep Delta
01 Sep - 22 Sep Delta
01 Sep - 17 Sep Delta
12 Sep - 26 Sep Delta
16 Sep - 23 Sep Delta
04 Sep - 13 Sep United
04 Sep - 19 Sep United

Also check the deals for one-way flights from Amsterdam to San Jose in September.

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