Cheapest return flights from London to Keflavik in May from $103

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

Return flights

06 May - 13 May easyJet direct
06 May - 20 May easyJet direct
03 May - 06 May easyJet direct
31 May - 03 Jun easyJet direct
13 May - 17 May easyJet direct
31 May - 07 Jun easyJet direct
27 May - 07 Jun easyJet direct
27 May - 30 May easyJet
06 May - 09 May easyJet
07 May - 10 May British Airways direct
23 May - 30 May Icelandair direct
18 May - 23 May Icelandair direct
18 May - 24 May Icelandair direct
29 May - 07 Jun British Airways direct
29 May - 01 Jun Icelandair direct
23 May - 02 Jun Icelandair direct
29 May - 12 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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