Cheapest return flights from London to Keflavik in December from $98

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

Return flights

10 Dec - 17 Dec easyJet direct
13 Dec - 17 Dec easyJet direct
13 Dec - 18 Dec easyJet direct
03 Dec - 05 Dec easyJet direct
09 Dec - 16 Dec easyJet direct
06 Dec - 09 Dec easyJet direct
13 Dec - 16 Dec easyJet direct
09 Dec - 15 Dec easyJet direct
02 Dec - 04 Dec easyJet direct
08 Dec - 15 Dec easyJet direct
24 Dec - 01 Jan easyJet direct
23 Dec - 01 Jan easyJet direct
31 Dec - 07 Jan easyJet direct
11 Dec - 09 Jan Icelandair direct
30 Dec - 06 Jan easyJet direct
31 Dec - 12 Jan Icelandair direct
22 Dec - 02 Jan easyJet direct
29 Dec - 12 Jan Icelandair direct
30 Dec - 12 Jan Icelandair direct
27 Dec - 01 Jan easyJet direct

Also check the deals for one-way 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.