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

Return flights

11 Sep - 15 Sep	easyJet	direct
11 Sep - 14 Sep	easyJet	direct
24 Sep - 29 Sep	Air Europa
11 Sep - 17 Sep	easyJet
25 Sep - 29 Sep	easyJet	direct
17 Sep - 22 Sep	easyJet	direct
18 Sep - 22 Sep	easyJet	direct
26 Sep - 29 Sep	easyJet	direct
17 Sep - 17 Sep	easyJet
11 Sep - 18 Sep	easyJet	direct
30 Sep - 03 Oct	Ryanair
16 Sep - 06 Oct	Ryanair
22 Sep - 03 Oct	Vueling Airlines
26 Sep - 02 Oct	Air Europa
29 Sep - 01 Oct	easyJet	direct
29 Sep - 02 Oct	easyJet	direct
26 Sep - 02 Oct	easyJet	direct
28 Sep - 05 Oct	Ryanair
28 Sep - 04 Oct	easyJet
28 Sep - 05 Oct	easyJet	direct

Also check the deals for one-way flights from Alicante to Southend 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 Alicante to Southend in September from $87

Return flights