Cheapest return flights from Southend to Keflavik in April from $417

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

Return flights

09 Apr - 13 Apr easyJet
27 Apr - 30 Apr easyJet
16 Apr - 20 Apr easyJet
02 Apr - 06 Apr easyJet
12 Apr - 16 Apr easyJet
27 Apr - 06 May easyJet
24 Apr - 29 Apr easyJet
12 Apr - 15 Apr easyJet
27 Apr - 04 May easyJet
09 Apr - 15 Apr easyJet
20 Apr - 23 Apr easyJet
15 Apr - 06 May easyJet
05 Apr - 08 Apr easyJet
26 Apr - 13 May easyJet

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

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