Cheapest return flights from London to Keflavik in December from 84€

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

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

Return flights

01 Dec - 06 Dec easyJet direct
01 Dec - 04 Dec easyJet direct
08 Dec - 12 Dec easyJet direct
08 Dec - 11 Dec easyJet direct
01 Dec - 12 Dec easyJet direct
01 Dec - 03 Dec easyJet direct
04 Dec - 08 Dec easyJet direct
07 Dec - 12 Dec easyJet direct
05 Dec - 11 Dec easyJet direct
07 Dec - 10 Dec easyJet direct
31 Dec - 04 Jan Wizz Air
26 Dec - 01 Jan Ryanair

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.

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