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

06 May - 13 May Icelandair direct
10 May - 17 May Icelandair direct
10 May - 18 May Icelandair direct
10 May - 13 May Icelandair direct
08 May - 18 May Icelandair direct
01 May - 25 May Icelandair direct
06 May - 14 May Icelandair direct
18 May - 23 May Icelandair direct
14 May - 18 May Icelandair direct
15 May - 23 May Icelandair direct
29 May - 08 Jun Icelandair direct
29 May - 03 Jun Icelandair direct
31 May - 15 Jun Icelandair direct
31 May - 14 Jun Icelandair direct
30 May - 13 Jun Icelandair direct
30 May - 03 Jun Icelandair direct
30 May - 07 Jun Icelandair direct
31 May - 07 Jun Icelandair direct
31 May - 08 Jun Icelandair direct
30 May - 09 Jun Icelandair direct

Also check the deals for one-way 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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