Cheapest one-way flights from London to Keflavik in December from 98€

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

One-Way flights

02 Dec British Airways direct
08 Dec British Airways direct
03 Dec British Airways direct
09 Dec British Airways direct
28 Dec KLM
18 Dec Air France
23 Dec KLM
20 Dec KLM
23 Dec Icelandair direct
20 Dec Icelandair direct

Also check the deals for return 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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