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

Return flights

29 Sep - 02 Oct	easyJet
30 Sep - 04 Oct	KLM	direct
27 Sep - 04 Oct	KLM	direct
27 Sep - 30 Sep	KLM	direct
25 Sep - 30 Sep	KLM	direct
25 Sep - 27 Sep	KLM	direct
30 Sep - 03 Oct	KLM	direct
24 Sep - 27 Sep	easyJet
29 Sep - 30 Sep	easyJet
23 Sep - 27 Sep	KLM	direct
22 Sep - 25 Sep	easyJet
24 Sep - 27 Sep	KLM	direct
29 Sep - 01 Oct	easyJet
26 Sep - 30 Sep	KLM	direct
27 Sep - 29 Sep	KLM	direct
30 Sep - 01 Oct	Aer Lingus
29 Sep - 03 Oct	KLM	direct
26 Sep - 03 Oct	KLM	direct
22 Sep - 05 Oct	Aer Lingus
19 Sep - 05 Oct	KLM	direct

Also check the deals for one-way flights from Belfast 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 Belfast to Amsterdam in September from 168€

Return flights