Cheapest return flights from London to Keflavik in May from $179

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

10 May - 13 May easyJet
07 May - 08 May Wizz Air Malta
10 May - 12 May easyJet
20 May - 04 Jun easyJet
07 May - 11 May Wizz Air Malta
07 May - 12 May easyJet
06 May - 07 May easyJet
06 May - 13 May easyJet
17 May - 21 May easyJet
14 May - 19 May easyJet
06 May - 12 May easyJet
31 May - 11 Jun easyJet
13 May - 03 Jun easyJet
30 May - 11 Jun easyJet
31 May - 04 Jun easyJet
29 May - 11 Jun Icelandair
29 May - 05 Jun Icelandair direct
13 May - 03 Jun Icelandair direct
30 May - 03 Jun easyJet
27 May - 03 Jun easyJet

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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