Cheapest return flights from London to Keflavik in December from $205

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

Return flights

07 Dec - 11 Dec British Airways direct
08 Dec - 15 Dec British Airways direct
07 Dec - 16 Dec British Airways direct
09 Dec - 16 Dec British Airways direct
08 Dec - 09 Dec British Airways direct
02 Dec - 16 Dec British Airways direct
05 Dec - 12 Dec British Airways direct
07 Dec - 10 Dec British Airways direct
10 Dec - 14 Dec British Airways direct
07 Dec - 14 Dec British Airways 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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