Cheapest return flights from Keflavik to London in December from 203€

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

Return flights

30 Dec - 06 Jan easyJet
29 Dec - 06 Jan easyJet direct
28 Dec - 06 Jan easyJet direct
29 Dec - 04 Jan easyJet direct
28 Dec - 04 Jan easyJet direct
29 Dec - 13 Jan easyJet direct
28 Dec - 13 Jan easyJet direct
29 Dec - 14 Jan easyJet direct
28 Dec - 14 Jan easyJet direct
28 Dec - 05 Jan easyJet direct
29 Dec - 31 Dec easyJet direct
28 Dec - 31 Dec easyJet direct
27 Dec - 31 Dec Wizz Air
27 Dec - 31 Dec easyJet direct
30 Dec - 31 Dec easyJet direct
29 Dec - 30 Dec easyJet direct
28 Dec - 30 Dec easyJet direct
28 Dec - 29 Dec easyJet direct
27 Dec - 30 Dec easyJet direct
27 Dec - 29 Dec easyJet direct

Also check the deals for one-way flights from Keflavik to London in December.

Powered by

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 London

Cheap car rent in London

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