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

Return flights

19 Sep - 27 Sep	Spirit Airlines
02 Sep - 08 Sep	Spirit Airlines
02 Sep - 09 Sep	Spirit Airlines
06 Sep - 15 Sep	Spirit Airlines
05 Sep - 13 Sep	Spirit Airlines
02 Sep - 10 Sep	Spirit Airlines
10 Sep - 06 Oct	Spirit Airlines
12 Sep - 21 Sep	Spirit Airlines
02 Sep - 07 Sep	Spirit Airlines
30 Sep - 07 Oct	Frontier Airlines
19 Sep - 21 Sep	Spirit Airlines
25 Sep - 29 Sep	Turkish Airlines
19 Sep - 03 Oct	Turkish Airlines
01 Sep - 04 Oct	Spirit Airlines
10 Sep - 06 Oct	KLM	direct
01 Sep - 04 Oct	Delta	direct
30 Sep - 07 Oct	United	direct
30 Sep - 12 Oct	Delta	direct
19 Sep - 03 Oct	Delta	direct

Also check the deals for one-way flights from Houston 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 Houston to Amsterdam in September from 505€

Return flights