Cheapest one-way flights from London to Keflavik in December from $61

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 December 2025 (see full year).

One-Way flights

08 Dec Fly Play direct
09 Dec Fly Play direct
10 Dec Fly Play direct
02 Dec Fly Play direct
16 Dec Fly Play direct
12 Dec Fly Play direct
31 Dec Fly Play direct
18 Dec Fly Play direct
22 Dec Fly Play direct
28 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.

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