Cheapest return flights from London to Keflavik in October from 153€

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

Return flights

29 Oct - 03 Nov Scandinavian Airlines
28 Oct - 03 Nov Scandinavian Airlines
30 Oct - 04 Nov Icelandair direct
30 Oct - 08 Nov Icelandair direct
31 Oct - 04 Nov Icelandair direct
29 Oct - 07 Nov Scandinavian Airlines
25 Oct - 29 Oct Scandinavian Airlines
31 Oct - 05 Nov Icelandair direct
31 Oct - 06 Nov Icelandair direct
29 Oct - 07 Nov Icelandair direct
25 Oct - 30 Oct Scandinavian Airlines
28 Oct - 04 Nov Scandinavian Airlines
23 Oct - 29 Oct Scandinavian Airlines
16 Oct - 20 Oct Scandinavian Airlines
22 Oct - 25 Oct Scandinavian Airlines
16 Oct - 21 Oct Lufthansa
27 Oct - 29 Oct Scandinavian Airlines
14 Oct - 23 Oct Scandinavian Airlines
02 Oct - 06 Oct Scandinavian Airlines
21 Oct - 26 Oct Scandinavian Airlines

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.

Book a cheap hotel in Keflavik

Cheap car rent in Keflavik

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