Cheapest return flights from London to Keflavik in May from $215

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

Return flights

06 May - 10 May Icelandair direct
10 May - 15 May Icelandair direct
10 May - 20 May Icelandair direct
10 May - 16 May Icelandair direct
10 May - 17 May Icelandair direct
06 May - 13 May Icelandair direct
05 May - 11 May Icelandair direct
06 May - 12 May Icelandair direct
05 May - 09 May Icelandair direct
20 May - 27 May Icelandair direct
29 May - 03 Jun easyJet
31 May - 03 Jun Icelandair direct
29 May - 03 Jun Icelandair direct
30 May - 02 Jun Icelandair direct
30 May - 17 Jun Vueling Airlines
30 May - 14 Jun Icelandair direct
30 May - 06 Jun Vueling Airlines
17 May - 01 Jun easyJet
23 May - 06 Jun Vueling Airlines

Also check the deals for one-way flights from London to Keflavik in May.

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