Cheapest return flights from London to Keflavik in October from $321

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

Return flights

30 Oct - 07 Nov Icelandair direct
30 Oct - 06 Nov Icelandair direct
30 Oct - 05 Nov Icelandair direct
31 Oct - 11 Nov Icelandair direct
31 Oct - 06 Nov Icelandair direct
31 Oct - 10 Nov LOT
14 Oct - 21 Oct Austrian Airlines
31 Oct - 10 Nov Icelandair direct
31 Oct - 08 Nov Icelandair direct
23 Oct - 27 Oct Scandinavian Airlines
29 Oct - 05 Nov Icelandair direct
23 Oct - 26 Oct Scandinavian Airlines
29 Oct - 08 Nov Icelandair direct
16 Oct - 20 Oct Scandinavian Airlines
23 Oct - 29 Oct Scandinavian Airlines
17 Oct - 19 Oct LOT
16 Oct - 23 Oct Scandinavian Airlines
16 Oct - 19 Oct Scandinavian Airlines
23 Oct - 25 Oct Scandinavian Airlines
17 Oct - 21 Oct Austrian Airlines

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.