Cheapest return flights from London to Keflavik in December from $122

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

Return flights

09 Dec - 11 Dec easyJet direct
11 Dec - 15 Jan easyJet direct
11 Dec - 22 Jan easyJet direct
07 Dec - 11 Dec easyJet direct
08 Dec - 11 Dec easyJet direct
10 Dec - 11 Dec easyJet direct
06 Dec - 11 Dec easyJet direct
07 Dec - 13 Dec easyJet direct
08 Dec - 13 Dec easyJet direct
10 Dec - 13 Dec easyJet direct
11 Dec - 21 Jan easyJet direct
06 Dec - 13 Dec easyJet direct
11 Dec - 20 Jan easyJet direct
09 Dec - 15 Dec easyJet direct
11 Dec - 13 Jan easyJet direct
11 Dec - 16 Jan easyJet direct
11 Dec - 14 Jan easyJet direct
11 Dec - 12 Jan easyJet direct
14 Dec - 15 Jan easyJet direct
14 Dec - 22 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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