Cheapest one-way flights from London to Keflavik in January from $88

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

One-Way flights

05 Jan Icelandair direct
23 Jan Icelandair direct
21 Jan Icelandair direct
11 Jan Icelandair direct
08 Jan Icelandair direct
04 Jan Icelandair direct
28 Jan Icelandair direct
20 Jan Icelandair direct
09 Jan Icelandair direct
07 Jan Icelandair direct

Also check the deals for return 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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