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

Return flights

01 Feb - 06 Feb	Fly Play	direct
04 Feb - 13 Feb	Fly Play	direct
03 Feb - 10 Feb	Fly Play	direct
02 Feb - 05 Feb	Fly Play	direct
06 Feb - 10 Feb	Fly Play	direct
04 Feb - 10 Feb	Fly Play	direct
08 Feb - 11 Feb	Fly Play	direct
06 Feb - 11 Feb	Fly Play	direct
20 Feb - 26 Feb	Fly Play	direct
25 Feb - 28 Feb	Fly Play	direct
28 Feb - 14 Mar	Fly Play	direct
28 Feb - 07 Mar	Fly Play	direct

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 102€

Return flights