Cheapest return flights from London to Keflavik in October from 159€

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

Return flights

30 Oct - 15 Nov British Airways direct
31 Oct - 10 Nov Vueling Airlines
30 Oct - 06 Nov British Airways direct
30 Oct - 07 Nov British Airways direct
31 Oct - 07 Nov British Airways direct
31 Oct - 04 Nov British Airways direct
30 Oct - 04 Nov British Airways direct
11 Oct - 21 Oct Lufthansa
31 Oct - 03 Nov Vueling Airlines
29 Oct - 03 Nov Scandinavian Airlines
29 Oct - 06 Nov Scandinavian Airlines
14 Oct - 21 Oct SWISS
09 Oct - 15 Oct KLM
07 Oct - 14 Oct Austrian Airlines
08 Oct - 15 Oct Icelandair direct
09 Oct - 15 Oct Icelandair direct
11 Oct - 15 Oct Icelandair direct
11 Oct - 18 Oct Lufthansa
09 Oct - 17 Oct British Airways direct
11 Oct - 18 Oct Icelandair direct

Also check the deals for one-way 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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