Cheapest return flights from London to Keflavik in January from 153€

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

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

Return flights

15 Jan - 22 Jan British Airways direct
11 Jan - 21 Jan British Airways direct
14 Jan - 21 Jan British Airways direct
10 Jan - 17 Jan British Airways direct
09 Jan - 16 Jan British Airways direct
16 Jan - 19 Jan British Airways direct
11 Jan - 16 Jan British Airways direct
18 Jan - 21 Jan British Airways direct
24 Jan - 29 Jan Lufthansa
09 Jan - 22 Jan Icelandair direct

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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