Cheapest one-way flights from London to Keflavik in May from 83€

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

One-Way flights

13 May Icelandair direct
20 May Icelandair direct
03 May Icelandair direct
12 May Icelandair direct
19 May Icelandair direct
11 May Icelandair direct
05 May Icelandair direct
06 May Icelandair direct
08 May Icelandair direct
01 May Icelandair 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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