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

Return flights

22 Sep - 26 Sep	Spirit Airlines
11 Sep - 15 Sep	Frontier Airlines
16 Sep - 22 Sep	Spirit Airlines
21 Sep - 07 Oct	Spirit Airlines
01 Sep - 16 Sep	Turkish Airlines
12 Sep - 14 Sep	Spirit Airlines
20 Sep - 26 Sep	Spirit Airlines
12 Sep - 15 Sep	Frontier Airlines
01 Sep - 16 Sep	Delta	direct
21 Sep - 07 Oct	United	direct
30 Sep - 12 Oct	Delta	direct
12 Sep - 20 Sep	United	direct
12 Sep - 14 Sep	United	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.

Book a cheap hotel in Amsterdam

Cheap car rent in Amsterdam

Cheapest return flights from Houston to Amsterdam in September from 572€

Return flights