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
22 Sep - 30 Sep	Air Canada
21 Sep - 07 Oct	Delta	direct
21 Sep - 30 Sep	KLM	direct
16 Sep - 23 Sep	United
30 Sep - 07 Oct	United
03 Sep - 24 Sep	Scandinavian Airlines
22 Sep - 01 Oct	British Airways
24 Sep - 01 Oct	United
29 Sep - 06 Oct	Frontier Airlines
25 Sep - 05 Oct	Scandinavian Airlines
02 Sep - 24 Sep	Scandinavian Airlines
21 Sep - 05 Oct	Delta	direct
22 Sep - 29 Sep	United
18 Sep - 25 Sep	United
26 Sep - 03 Oct	United
28 Sep - 05 Oct	United
02 Sep - 07 Sep	Frontier Airlines
20 Sep - 27 Sep	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 602€

Return flights