Cheapest one-way flights from London to Keflavik in October from 99€

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

One-Way flights

31 Oct Vueling Airlines
31 Oct British Airways direct
30 Oct British Airways direct
22 Oct Scandinavian Airlines
15 Oct KLM
09 Oct British Airways direct
12 Oct KLM
23 Oct Scandinavian Airlines
29 Oct Icelandair direct
07 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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