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

Return flights

01 Sep - 05 Sep	easyJet	direct
29 Sep - 03 Oct	easyJet	direct
26 Sep - 29 Sep	easyJet	direct
05 Sep - 08 Sep	easyJet	direct
22 Sep - 26 Sep	easyJet	direct
19 Sep - 23 Sep	easyJet
01 Sep - 08 Sep	easyJet	direct
01 Sep - 22 Sep	easyJet	direct
29 Sep - 02 Oct	easyJet
19 Sep - 22 Sep	easyJet	direct
08 Sep - 15 Sep	easyJet
15 Sep - 19 Sep	easyJet	direct
29 Sep - 02 Oct	easyJet	direct
24 Sep - 08 Oct	KLM	direct

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 94€

Return flights