Cheapest one-way flights from London to Keflavik in May from 98€

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

One-Way flights

10 May British Airways direct
12 May British Airways direct
30 May British Airways direct
21 May Scandinavian Airlines
05 May British Airways direct
28 May Scandinavian Airlines
20 May British Airways direct
28 May British Airways direct
27 May Scandinavian Airlines
04 May British Airways direct

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

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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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