Cheapest return flights from London to Keflavik in December from $110

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

Return flights

09 Dec - 16 Dec easyJet direct
02 Dec - 06 Dec easyJet direct
08 Dec - 10 Dec easyJet direct
02 Dec - 05 Dec easyJet direct
02 Dec - 09 Dec easyJet direct
08 Dec - 12 Dec easyJet direct
02 Dec - 04 Dec easyJet direct
06 Dec - 10 Dec easyJet direct
06 Dec - 11 Dec easyJet direct
01 Dec - 12 Dec easyJet direct
26 Dec - 09 Jan Icelandair direct
31 Dec - 05 Jan easyJet direct
23 Dec - 06 Jan easyJet direct
27 Dec - 07 Jan easyJet direct
24 Dec - 02 Jan Icelandair direct
22 Dec - 03 Jan easyJet direct
27 Dec - 01 Jan Icelandair direct
30 Dec - 02 Jan Icelandair direct
20 Dec - 03 Jan easyJet direct
29 Dec - 08 Jan easyJet direct

Also check the deals for one-way flights from London 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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