Cheapest return flights from London to Keflavik in May from 88€

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

Return flights

13 May - 20 May easyJet direct
06 May - 10 May easyJet direct
06 May - 18 May easyJet direct
06 May - 11 May easyJet direct
24 May - 27 May easyJet direct
27 May - 30 May easyJet
09 May - 17 May Icelandair direct
23 May - 31 May Icelandair direct
27 May - 30 May Icelandair direct
24 May - 31 May Icelandair direct
30 May - 07 Jun Icelandair direct
28 May - 01 Jun Icelandair direct
29 May - 01 Jun Icelandair direct
28 May - 08 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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