Cheapest return flights from London to Keflavik in October from $140

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

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

Return flights

21 Oct - 28 Oct easyJet
25 Oct - 28 Oct easyJet
01 Oct - 11 Oct Icelandair direct
04 Oct - 11 Oct Icelandair direct
25 Oct - 27 Oct easyJet
31 Oct - 03 Nov easyJet direct
01 Oct - 14 Oct Icelandair direct
01 Oct - 13 Oct Icelandair direct
08 Oct - 11 Oct Icelandair direct
07 Oct - 11 Oct Icelandair direct
04 Oct - 12 Oct Icelandair direct
08 Oct - 11 Nov Icelandair direct
25 Oct - 03 Nov easyJet
29 Oct - 03 Nov Icelandair direct
25 Oct - 02 Nov easyJet
23 Oct - 05 Nov easyJet
25 Oct - 01 Nov easyJet
31 Oct - 02 Nov easyJet direct
23 Oct - 05 Nov Icelandair direct
30 Oct - 02 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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