Cheapest one-way flights from London to Keflavik in December from $67

AirHint found the following cheapest one-way flights from London (LGW) to Keflavik (KEF) in December 2025 (see full year).

One-Way flights

14 Dec TUI direct
11 Dec easyJet direct
09 Dec easyJet direct
13 Dec easyJet
15 Dec easyJet
16 Dec Vueling Airlines
16 Dec easyJet direct
31 Dec TUI direct
24 Dec TUI direct
15 Dec easyJet direct

Also check the deals for return flights from London to Keflavik in December.

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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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