Cheapest return flights from London to Keflavik in May from $196

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

Return flights

10 May - 16 May Icelandair direct
06 May - 10 May Icelandair direct
03 May - 07 May Icelandair direct
17 May - 20 May Icelandair direct
19 May - 26 May Icelandair direct
24 May - 28 May Icelandair direct
06 May - 13 May Icelandair direct
03 May - 24 May Icelandair direct
03 May - 09 May Icelandair direct
02 May - 08 May Icelandair direct
26 May - 02 Jun easyJet
22 May - 02 Jun Icelandair direct
26 May - 02 Jun Icelandair direct
22 May - 01 Jun Icelandair direct
14 May - 01 Jun Icelandair direct
27 May - 07 Jun Icelandair direct
29 May - 02 Jun Icelandair direct
30 May - 04 Jun Icelandair direct
25 May - 04 Jun easyJet
14 May - 05 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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