Cheapest return flights from London to Keflavik in January from $425

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

Return flights

19 Jan - 23 Jan KLM
12 Jan - 18 Jan KLM
05 Jan - 09 Jan KLM
27 Jan - 30 Jan British Airways
19 Jan - 22 Jan British Airways
15 Jan - 22 Jan British Airways
13 Jan - 20 Jan British Airways
16 Jan - 19 Jan British Airways
23 Jan - 27 Jan British Airways
22 Jan - 25 Jan British Airways
30 Jan - 01 Feb KLM

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

Skyscanner

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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