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

Return flights

14 Sep - 23 Sep	Frontier Airlines
03 Sep - 24 Sep	Frontier Airlines
02 Sep - 24 Sep	Frontier Airlines
09 Sep - 23 Sep	Frontier Airlines
21 Sep - 25 Sep	Frontier Airlines
02 Sep - 10 Sep	Frontier Airlines
21 Sep - 30 Sep	KLM	direct
30 Sep - 07 Oct	United
17 Sep - 24 Sep	United
24 Sep - 01 Oct	United
02 Sep - 16 Sep	Delta	direct
14 Sep - 23 Sep	KLM	direct
21 Sep - 05 Oct	KLM	direct
24 Sep - 11 Oct	Air Canada
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.

Book a cheap hotel in Amsterdam

Cheap car rent in Amsterdam

Cheapest return flights from San Diego to Amsterdam in September from 583€

Return flights