Cheapest one-way flights from London to Keflavik in December from 65€

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

One-Way flights

06 Dec Fly Play direct
11 Dec Fly Play direct
15 Dec Fly Play direct
16 Dec Fly Play direct
05 Dec Fly Play direct
02 Dec Fly Play direct
31 Dec Fly Play direct
24 Dec Fly Play direct
17 Dec Fly Play direct
29 Dec Fly Play direct

Also check the deals for return flights from London to Keflavik in December.

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.