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

Return flights

03 Sep - 10 Sep	Air Canada
29 Sep - 04 Oct	Spirit Airlines
30 Sep - 07 Oct	Scandinavian Airlines
02 Sep - 19 Sep	Delta
09 Sep - 16 Sep	United
24 Sep - 01 Oct	United
11 Sep - 18 Sep	United
06 Sep - 15 Sep	Delta	direct
05 Sep - 12 Sep	United
15 Sep - 22 Sep	United
18 Sep - 25 Sep	United
07 Sep - 14 Sep	United
21 Sep - 28 Sep	United
27 Sep - 04 Oct	United
29 Sep - 04 Oct	Delta	direct

Also check the deals for one-way flights from Austin 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 Austin to Amsterdam in September from 535€

Return flights