AirHint found the following cheapest return flights from Los Angeles (LAX) to Amsterdam (AMS) in September 2025 (see full year).

Return flights

09 Sep - 18 Sep	TAP
12 Sep - 26 Sep	TAP
26 Sep - 10 Oct	TAP
28 Sep - 04 Oct	TAP
20 Sep - 26 Sep	TAP
19 Sep - 29 Sep	TAP
19 Sep - 27 Sep	TAP
19 Sep - 18 Oct	TAP
15 Sep - 22 Sep	LEVEL
11 Sep - 17 Sep	LEVEL
15 Sep - 29 Sep	Air Canada
09 Sep - 30 Sep	Aer Lingus
15 Sep - 04 Oct	Scandinavian Airlines
18 Sep - 25 Sep	LEVEL
14 Sep - 02 Oct	Aer Lingus
18 Sep - 06 Oct	Scandinavian Airlines
13 Sep - 15 Oct	Scandinavian Airlines
18 Sep - 04 Oct	LEVEL
14 Sep - 02 Oct	Delta	direct
13 Sep - 15 Oct	Delta	direct

Also check the deals for one-way flights from Los Angeles 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 Los Angeles to Amsterdam in September from $503

Return flights