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

Return flights

19 Sep - 26 Sep	easyJet	direct
22 Sep - 26 Sep	easyJet	direct
29 Sep - 06 Oct	easyJet	direct
29 Sep - 03 Oct	easyJet	direct
26 Sep - 29 Sep	easyJet	direct
15 Sep - 26 Sep	easyJet	direct
15 Sep - 22 Sep	easyJet	direct
15 Sep - 29 Sep	easyJet	direct
15 Sep - 19 Sep	easyJet	direct
19 Sep - 22 Sep	easyJet	direct
05 Sep - 08 Sep	easyJet	direct
12 Sep - 19 Sep	easyJet	direct
29 Sep - 02 Oct	easyJet
28 Sep - 05 Oct	Aer Lingus

Also check the deals for one-way flights from Southampton to Paris 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 Paris in September from 66€

Return flights