Cheapest return flights from London to Keflavik in January from $166

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

Return flights

18 Jan - 24 Jan Icelandair direct
21 Jan - 28 Jan Icelandair direct
04 Jan - 13 Jan Icelandair direct
05 Jan - 12 Jan Icelandair direct
09 Jan - 16 Jan Icelandair direct
18 Jan - 23 Jan Icelandair direct
18 Jan - 27 Jan Icelandair direct
21 Jan - 27 Jan Icelandair direct
04 Jan - 15 Jan Icelandair direct
08 Jan - 11 Jan Icelandair direct
28 Jan - 04 Feb Icelandair direct
25 Jan - 03 Feb Icelandair direct
31 Jan - 06 Feb Icelandair direct
30 Jan - 06 Feb Icelandair direct
31 Jan - 04 Feb Icelandair direct
30 Jan - 03 Feb Icelandair direct
28 Jan - 02 Feb Icelandair direct
31 Jan - 02 Feb Icelandair
28 Jan - 01 Feb Icelandair direct
30 Jan - 02 Feb Icelandair

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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