Cheapest return flights from London to Keflavik in December from 170€

AirHint found the following cheapest return flights from London (LHR) to Keflavik (KEF) in December 2026 (see full year).

Return flights

02 Dec - 04 Dec British Airways direct
03 Dec - 10 Dec British Airways direct
04 Dec - 07 Dec British Airways direct
07 Dec - 10 Dec British Airways direct
03 Dec - 07 Dec Icelandair direct
01 Dec - 07 Dec Icelandair direct
12 Dec - 19 Dec Icelandair direct
07 Dec - 13 Dec Icelandair direct
06 Dec - 13 Dec Icelandair direct
11 Dec - 14 Dec Icelandair direct
21 Dec - 01 Jan Icelandair direct
26 Dec - 02 Jan Icelandair direct
26 Dec - 03 Jan Icelandair direct
26 Dec - 05 Jan Icelandair direct
28 Dec - 02 Jan Icelandair direct
30 Dec - 03 Jan Icelandair direct
29 Dec - 02 Jan Icelandair direct
28 Dec - 01 Jan Icelandair direct
27 Dec - 01 Jan Icelandair direct
19 Dec - 01 Jan Lufthansa

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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