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

Return flights

22 Sep - 26 Sep	easyJet
15 Sep - 26 Sep	easyJet
08 Sep - 12 Sep	easyJet
22 Sep - 28 Sep	easyJet
08 Sep - 10 Oct	easyJet
29 Sep - 03 Oct	easyJet
15 Sep - 19 Sep	easyJet
29 Sep - 05 Oct	easyJet
15 Sep - 21 Sep	easyJet
29 Sep - 10 Oct	easyJet
08 Sep - 21 Sep	easyJet
08 Sep - 14 Sep	easyJet
01 Sep - 05 Sep	easyJet
01 Sep - 12 Sep	easyJet
08 Sep - 09 Oct	easyJet
29 Sep - 02 Oct	easyJet

Also check the deals for one-way flights from Southend to New York 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 New York in September from $493

Return flights