Cheapest return flights from London to Keflavik in January from $512

Best time to book flights for London (LCY) to Keflavik (KEF) flights at AirHint

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

Return flights

08 Jan - 11 Jan British Airways
16 Jan - 20 Jan British Airways
05 Jan - 08 Jan British Airways
30 Jan - 01 Feb Aer Lingus
01 Jan - 05 Jan British Airways
15 Jan - 19 Jan British Airways
08 Jan - 12 Jan British Airways
02 Jan - 05 Jan British Airways
02 Jan - 04 Jan British Airways
05 Jan - 11 Jan KLM
06 Jan - 13 Jan KLM

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

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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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