Cheapest one-way flights from London to Keflavik in October from $122

AirHint found the following cheapest one-way flights from London (LHR) to Keflavik (KEF) in October 2026 (see full year).

One-Way flights

07 Oct Scandinavian Airlines
28 Oct Scandinavian Airlines
08 Oct Scandinavian Airlines
04 Oct British Airways direct
28 Oct British Airways direct
02 Oct Scandinavian Airlines
23 Oct Scandinavian Airlines
14 Oct British Airways direct
03 Oct British Airways direct
25 Oct KLM

Also check the deals for return flights from London to Keflavik in October.

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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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