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

Return flights

11 Sep - 17 Sep	KLM	direct
09 Sep - 16 Sep	KLM	direct
27 Sep - 05 Oct	KLM	direct
15 Sep - 30 Sep	Winair/Windward Islands Airways
18 Sep - 26 Sep	KLM	direct
11 Sep - 27 Sep	KLM
06 Sep - 21 Sep	Winair/Windward Islands Airways
25 Sep - 29 Sep	KLM	direct
10 Sep - 25 Sep	KLM	direct
14 Sep - 29 Sep	KLM	direct
11 Sep - 29 Sep	KLM	direct
27 Sep - 08 Oct	KLM	direct
11 Sep - 03 Oct	KLM	direct
24 Sep - 12 Oct	KLM	direct
28 Sep - 12 Oct	KLM	direct
18 Sep - 01 Oct	TUI.nl
28 Sep - 13 Oct	KLM	direct
11 Sep - 01 Oct	TUI.nl	direct
10 Sep - 01 Oct	TUI.nl	direct
29 Sep - 01 Oct	TUI.nl

Also check the deals for one-way flights from Willemstad 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 Willemstad to Amsterdam in September from 538€

Return flights