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

Return flights

11 Sep - 12 Sep	easyJet	direct
25 Sep - 28 Sep	easyJet	direct
04 Sep - 07 Sep	easyJet	direct
12 Sep - 15 Sep	easyJet	direct
28 Sep - 29 Sep	easyJet	direct
25 Sep - 30 Sep	easyJet
18 Sep - 21 Sep	easyJet	direct
11 Sep - 14 Sep	easyJet	direct
07 Sep - 12 Sep	easyJet	direct
15 Sep - 22 Sep	easyJet	direct
27 Sep - 01 Oct	easyJet
27 Sep - 01 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 109€

Return flights