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

Return flights

20 Sep - 23 Sep	KLM
03 Sep - 24 Sep	Ryanair
16 Sep - 23 Sep	Vueling Airlines
17 Sep - 24 Sep	Vueling Airlines
05 Sep - 23 Sep	KLM
04 Sep - 09 Sep	Ryanair
08 Sep - 16 Sep	Vueling Airlines
18 Sep - 23 Sep	KLM
03 Sep - 30 Sep	Iberia
09 Sep - 14 Sep	Vueling Airlines
30 Sep - 01 Oct	Iberia
27 Sep - 05 Oct	Iberia
04 Sep - 07 Oct	KLM
27 Sep - 02 Oct	Iberia
25 Sep - 08 Oct	Wizz Air Malta
04 Sep - 07 Oct	KLM	direct
24 Sep - 01 Oct	Iberia
25 Sep - 08 Oct	KLM	direct
29 Sep - 02 Oct	Iberia
29 Sep - 04 Oct	Iberia

Also check the deals for one-way flights from Madrid 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 Madrid to Amsterdam in September from 126€

Return flights