Cheapest return flights from London to Keflavik in October from 148€

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

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

Return flights

31 Oct - 07 Nov British Airways direct
31 Oct - 04 Nov British Airways direct
30 Oct - 04 Nov British Airways direct
27 Oct - 06 Nov Scandinavian Airlines
12 Oct - 17 Oct British Airways direct
12 Oct - 16 Oct British Airways direct
05 Oct - 08 Oct British Airways direct
05 Oct - 09 Oct British Airways direct
06 Oct - 16 Oct Icelandair direct
10 Oct - 20 Oct Icelandair direct
04 Oct - 14 Oct Icelandair direct
06 Oct - 12 Oct Icelandair direct
01 Oct - 10 Oct Icelandair direct
01 Oct - 05 Oct Icelandair direct
28 Oct - 01 Nov Icelandair direct
27 Oct - 03 Nov Scandinavian Airlines
29 Oct - 01 Nov Icelandair direct
27 Oct - 02 Nov Scandinavian Airlines
26 Oct - 01 Nov Icelandair direct
24 Oct - 01 Nov Icelandair direct

Also check the deals for one-way 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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