Cheapest return flights from London to Keflavik in October from 250€

AirHint found the following cheapest return flights from London (LCY) to Keflavik (KEF) in October 2026 (see full year).

Return flights

01 Oct - 04 Oct KLM
01 Oct - 08 Oct KLM
22 Oct - 25 Oct KLM
14 Oct - 22 Oct KLM
01 Oct - 07 Oct KLM
01 Oct - 10 Oct KLM
15 Oct - 18 Oct KLM
11 Oct - 22 Oct KLM
11 Oct - 17 Oct KLM
10 Oct - 17 Oct KLM
25 Oct - 13 Nov British Airways
31 Oct - 03 Nov British Airways
24 Oct - 01 Nov British Airways

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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