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

Return flights

31 Oct - 18 Nov	easyJet	direct
30 Oct - 18 Nov	easyJet	direct
31 Oct - 21 Nov	easyJet	direct
31 Oct - 25 Nov	easyJet	direct
31 Oct - 11 Nov	easyJet	direct
30 Oct - 21 Nov	easyJet	direct
31 Oct - 19 Nov	easyJet	direct
31 Oct - 24 Nov	easyJet	direct
30 Oct - 25 Nov	easyJet	direct
31 Oct - 17 Nov	easyJet	direct
10 Oct - 13 Oct	Norwegian
06 Oct - 13 Oct	Norwegian
17 Oct - 26 Oct	easyJet
20 Oct - 25 Oct	easyJet
10 Oct - 15 Oct	Norwegian
18 Oct - 22 Oct	Norwegian
17 Oct - 18 Oct	Norwegian
10 Oct - 25 Oct	easyJet
11 Oct - 14 Oct	Icelandair	direct
10 Oct - 14 Oct	Icelandair	direct

Also check the deals for one-way flights from London to Keflavik in October.

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.

Book a cheap hotel in Keflavik

Cheap car rent in Keflavik

Cheapest return flights from London to Keflavik in October from 117€

Return flights