Cheapest return flights from London to Keflavik in May from 146€

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

AirHint found the following cheapest return flights from London (LGW) to Keflavik (KEF) in May 2025 (see full year).

Return flights

08 May - 18 May Icelandair direct
08 May - 11 May Icelandair direct
15 May - 24 May Icelandair direct
13 May - 17 May Icelandair direct
15 May - 18 May Icelandair direct
13 May - 18 May Icelandair direct
14 May - 18 May Icelandair direct
10 May - 14 May Icelandair direct
10 May - 11 May Icelandair direct
17 May - 20 May Wizz Air Malta
30 May - 03 Jun Icelandair direct
30 May - 11 Jun Icelandair direct
21 May - 08 Jun Icelandair direct
28 May - 03 Jun Icelandair direct
28 May - 05 Jun Icelandair direct
31 May - 14 Jun Icelandair direct
30 May - 02 Jun Icelandair direct
22 May - 08 Jun Icelandair direct
23 May - 02 Jun Icelandair direct
27 May - 01 Jun Icelandair direct

Also check the deals for one-way 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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