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

Return flights

11 Dec - 13 Dec	easyJet	direct
11 Dec - 05 Jan	easyJet	direct
12 Dec - 05 Jan	easyJet	direct
18 Dec - 22 Dec	easyJet	direct
10 Dec - 06 Jan	easyJet	direct
15 Dec - 18 Dec	easyJet	direct
12 Dec - 06 Jan	easyJet	direct
12 Dec - 06 Jan	easyJet
20 Dec - 27 Dec	easyJet	direct

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

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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Cheapest return flights from Reykjavik to London in December from $103

Return flights