AirHint found the following cheapest return flights from San Diego (SAN) to Amsterdam (AMS) in September 2025 (see full year).

Return flights

09 Sep - 22 Sep	Scandinavian Airlines
21 Sep - 07 Oct	Scandinavian Airlines
20 Sep - 11 Oct	Scandinavian Airlines
21 Sep - 07 Oct	Delta	direct
21 Sep - 30 Sep	KLM
23 Sep - 30 Sep	United
03 Sep - 24 Sep	Scandinavian Airlines
02 Sep - 27 Sep	Scandinavian Airlines
17 Sep - 24 Sep	United
02 Sep - 24 Sep	Scandinavian Airlines
21 Sep - 11 Oct	Air Canada
21 Sep - 05 Oct	Delta	direct
25 Sep - 02 Oct	United
19 Sep - 26 Sep	United
21 Sep - 28 Sep	United
15 Sep - 22 Sep	United
11 Sep - 04 Oct	jetBlue
27 Sep - 04 Oct	United

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

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 San Diego to Amsterdam in September from $689

Return flights