Cheapest return flights from London to Keflavik in October from $247

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

Return flights

11 Oct - 17 Oct Austrian Airlines
28 Oct - 19 Nov Scandinavian Airlines
12 Oct - 15 Oct Icelandair direct
18 Oct - 24 Oct Austrian Airlines
05 Oct - 19 Oct Austrian Airlines
07 Oct - 14 Oct Scandinavian Airlines
08 Oct - 15 Oct Scandinavian Airlines
28 Oct - 19 Nov British Airways direct
05 Oct - 08 Oct Icelandair direct
10 Oct - 18 Oct Icelandair direct
01 Oct - 07 Oct Icelandair direct
07 Oct - 14 Oct Icelandair direct
24 Oct - 01 Nov Icelandair direct
25 Oct - 05 Nov Scandinavian Airlines
25 Oct - 05 Nov British Airways direct
26 Oct - 01 Nov Scandinavian Airlines
26 Oct - 01 Nov Icelandair direct
30 Oct - 06 Nov Lufthansa

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

Powered by

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

Feel free to contact us with any feedback or request another flight research.