Cheapest one-way flights from London to Keflavik in May from $106

AirHint found the following cheapest one-way flights from London (LHR) to Keflavik (KEF) in May 2026 (see full year).

One-Way flights

13 May British Airways direct
14 May British Airways direct
11 May British Airways direct
15 May British Airways direct
16 May British Airways direct
17 May British Airways direct
01 May Scandinavian Airlines
01 May Icelandair direct

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

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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