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

Return flights

19 Sep - 26 Sep	easyJet	direct
26 Sep - 03 Oct	easyJet	direct
26 Sep - 29 Sep	easyJet	direct
19 Sep - 29 Sep	easyJet	direct
12 Sep - 19 Sep	easyJet	direct
15 Sep - 19 Sep	easyJet	direct
19 Sep - 23 Sep	easyJet
19 Sep - 22 Sep	easyJet	direct
22 Sep - 03 Oct	easyJet	direct
08 Sep - 12 Sep	easyJet	direct
12 Sep - 16 Sep	easyJet
12 Sep - 15 Sep	easyJet	direct
29 Sep - 03 Oct	easyJet	direct
25 Sep - 03 Oct	easyJet
29 Sep - 06 Oct	easyJet	direct
28 Sep - 01 Oct	Aer Lingus
30 Sep - 06 Oct	Aer Lingus
29 Sep - 01 Oct	easyJet
27 Sep - 03 Oct	Aer Lingus
29 Sep - 02 Oct	easyJet

Also check the deals for one-way flights from Southampton 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 Southampton to Amsterdam in September from $112

Return flights