Cheapest return flights from Southend to Keflavik in September from $541

AirHint found the following cheapest return flights from Southend (SEN) to Keflavik (KEF) in September 2026 (see full year).

Return flights

16 Sep - 27 Sep easyJet
10 Sep - 13 Sep easyJet
06 Sep - 13 Sep easyJet
03 Sep - 06 Sep easyJet
13 Sep - 18 Sep easyJet
13 Sep - 01 Oct easyJet
27 Sep - 02 Oct easyJet
02 Sep - 05 Sep easyJet
03 Sep - 07 Sep easyJet
11 Sep - 18 Sep easyJet
14 Sep - 21 Sep easyJet
21 Sep - 23 Sep easyJet
28 Sep - 02 Oct easyJet
27 Sep - 01 Oct easyJet
25 Sep - 07 Oct easyJet
27 Sep - 08 Oct easyJet
28 Sep - 03 Oct easyJet
18 Sep - 03 Oct easyJet

Also check the deals for one-way flights from Southend to Keflavik in September.

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