AirHint found the following cheapest return flights from Southend (SEN) to Copenhagen (CPH) in September 2025 (see full year).

Return flights

01 Sep - 10 Sep	easyJet
01 Sep - 08 Sep	easyJet
01 Sep - 03 Sep	easyJet
01 Sep - 04 Sep	easyJet
01 Sep - 14 Sep	easyJet
18 Sep - 21 Sep	easyJet
05 Sep - 21 Sep	easyJet
22 Sep - 24 Sep	easyJet
08 Sep - 10 Sep	easyJet
14 Sep - 17 Sep	easyJet
29 Sep - 02 Oct	easyJet
29 Sep - 05 Oct	easyJet
28 Sep - 01 Oct	easyJet
26 Sep - 12 Oct	easyJet
26 Sep - 01 Oct	easyJet

Also check the deals for one-way flights from Southend to Copenhagen 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 Southend to Copenhagen in September from $207

Return flights