Cheapest one-way flights from London to Keflavik in May from 88€

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

09 May British Airways direct
11 May British Airways direct
10 May British Airways direct
24 May Icelandair direct
22 May Icelandair direct
14 May Icelandair direct
20 May Icelandair direct
07 May Icelandair direct
18 May Icelandair direct
17 May British Airways

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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