Cheapest return flights from London to Keflavik in January from $154

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

25 Jan - 28 Jan British Airways direct
17 Jan - 23 Jan British Airways direct
31 Jan - 04 Feb British Airways direct
31 Jan - 03 Feb British Airways direct
10 Jan - 02 Feb British Airways direct
03 Jan - 10 Jan British Airways direct
15 Jan - 18 Jan British Airways direct
09 Jan - 21 Jan British Airways direct
30 Jan - 07 Feb British Airways direct
30 Jan - 08 Feb British Airways direct
17 Jan - 25 Jan British Airways direct
05 Jan - 11 Jan British Airways direct
07 Jan - 11 Jan British Airways direct
22 Jan - 25 Jan British Airways direct
01 Jan - 06 Jan British Airways direct
30 Jan - 12 Feb British Airways
31 Jan - 09 Feb British Airways
29 Jan - 03 Feb British Airways

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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