Cheapest return flights from London to Keflavik in December from $102

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

Return flights

09 Dec - 18 Dec easyJet direct
13 Dec - 17 Dec easyJet direct
13 Dec - 18 Dec easyJet direct
09 Dec - 16 Dec easyJet direct
12 Dec - 15 Dec easyJet direct
13 Dec - 24 Dec easyJet direct
01 Dec - 06 Dec easyJet direct
12 Dec - 17 Dec easyJet direct
13 Dec - 19 Dec easyJet direct
15 Dec - 19 Dec easyJet direct
24 Dec - 01 Jan easyJet direct
24 Dec - 03 Jan easyJet direct
22 Dec - 03 Jan easyJet direct
24 Dec - 02 Jan easyJet direct
19 Dec - 03 Jan easyJet direct
25 Dec - 13 Jan Wizz Air
27 Dec - 30 Jan easyJet direct
28 Dec - 01 Jan easyJet
29 Dec - 01 Jan Wizz Air
29 Dec - 03 Jan Wizz Air

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

Skyscanner

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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