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

Return flights

11 Feb - 17 Feb	KLM
04 Feb - 07 Feb	KLM
02 Feb - 07 Feb	KLM
23 Feb - 02 Mar	British Airways
02 Feb - 05 Feb	British Airways
05 Feb - 09 Feb	British Airways
17 Feb - 20 Feb	KLM
19 Feb - 26 Feb	British Airways
03 Feb - 09 Feb	British Airways
04 Feb - 08 Feb	KLM
19 Feb - 24 Feb	British Airways
26 Feb - 02 Mar	British Airways
28 Feb - 07 Mar	KLM
28 Feb - 08 Mar	KLM
14 Feb - 18 Mar	KLM
27 Feb - 01 Mar	British Airways

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

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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Cheapest return flights from London to Keflavik in February from $439

Return flights