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

Return flights

21 Sep - 07 Oct	Delta	direct
21 Sep - 30 Sep	Air France
20 Sep - 30 Sep	Delta
21 Sep - 05 Oct	KLM
26 Sep - 03 Oct	Virgin Atlantic
21 Sep - 11 Oct	Virgin Atlantic
30 Sep - 02 Oct	Spirit Airlines
23 Sep - 28 Sep	United
28 Sep - 18 Oct	United
26 Sep - 04 Oct	United
30 Sep - 02 Oct	Delta	direct
16 Sep - 20 Sep	Spirit Airlines
18 Sep - 25 Sep	United
18 Sep - 21 Sep	Alaska Airlines
18 Sep - 25 Sep	Delta	direct
23 Sep - 28 Sep	KLM	direct
21 Sep - 05 Oct	KLM	direct
18 Sep - 21 Sep	Delta	direct

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 479€

Return flights