Cheapest one-way flights from London to Keflavik in October from 87€

Best time to book flights for London (LHR) to Keflavik (KEF) flights at AirHint

AirHint found the following cheapest one-way flights from London (LHR) to Keflavik (KEF) in October 2025 (see full year).

One-Way flights

07 Oct British Airways direct
01 Oct British Airways direct
12 Oct British Airways direct
04 Oct British Airways direct
02 Oct British Airways direct
11 Oct British Airways
11 Oct British Airways direct
25 Oct Scandinavian Airlines
26 Oct Icelandair direct
25 Oct Icelandair direct

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

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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