Cheapest return flights from London to Keflavik in October from 262€

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

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

Return flights

31 Oct - 03 Nov SWISS
14 Oct - 21 Oct SWISS
28 Oct - 03 Nov ITA Airways
20 Oct - 27 Oct Lufthansa
31 Oct - 08 Nov SWISS
07 Oct - 14 Oct SWISS
24 Oct - 01 Nov SWISS
17 Oct - 21 Oct Air Dolomiti
10 Oct - 14 Oct Lufthansa
02 Oct - 12 Oct KLM
03 Oct - 06 Oct British Airways
10 Oct - 13 Oct British Airways
14 Oct - 18 Oct SWISS
14 Oct - 19 Oct SWISS
31 Oct - 04 Nov SWISS
30 Oct - 03 Nov Air Dolomiti
23 Oct - 02 Nov KLM
24 Oct - 02 Nov KLM
29 Oct - 02 Nov KLM
31 Oct - 02 Nov KLM

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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