Cheapest one-way flights from London to Keflavik in October from $63

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

AirHint found the following cheapest one-way flights from London (STN) to Keflavik (KEF) in October 2025 (see full year).

One-Way flights

15 Oct Fly Play direct
05 Oct Fly Play direct
01 Oct Fly Play direct
13 Oct Fly Play direct
12 Oct Fly Play direct
08 Oct Fly Play direct
03 Oct Fly Play direct
04 Oct Fly Play direct
10 Oct Fly Play direct
06 Oct Fly Play direct

Also check the deals for return 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