Cheapest one-way flights from London to Keflavik in May from 95€

Best time to book flights for London (LHR) to Keflavik (KEF) flights at AirHint

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

One-Way flights

31 May Icelandair direct
01 May Icelandair direct
09 May Icelandair direct
13 May Icelandair direct
03 May Icelandair direct
22 May Scandinavian Airlines
16 May Icelandair direct
25 May Icelandair direct
08 May Icelandair direct
04 May British Airways 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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