Cheapest return flights from Southend to Keflavik in December from $343

Best time to book flights for Southend (SEN) to Keflavik (KEF) flights at AirHint

AirHint found the following cheapest return flights from Southend (SEN) to Keflavik (KEF) in December 2025 (see full year).

Return flights

04 Dec - 09 Dec easyJet
05 Dec - 12 Dec easyJet
05 Dec - 09 Dec easyJet
04 Dec - 10 Dec easyJet
12 Dec - 16 Dec easyJet
01 Dec - 14 Dec easyJet
15 Dec - 26 Dec easyJet
30 Dec - 06 Jan easyJet
23 Dec - 30 Dec easyJet
22 Dec - 30 Dec easyJet
19 Dec - 30 Dec easyJet
29 Dec - 01 Jan easyJet
28 Dec - 02 Jan easyJet
30 Dec - 03 Jan easyJet
14 Dec - 03 Jan easyJet
27 Dec - 04 Jan easyJet

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

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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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