Cheapest return flights from London to Keflavik in April from $117

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 April 2025 (see full year).

Return flights

21 Apr - 24 Apr easyJet direct
03 Apr - 07 Apr easyJet direct
10 Apr - 14 Apr easyJet direct
03 Apr - 05 Apr easyJet
02 Apr - 03 Apr Wizz Air Malta
25 Apr - 03 May Icelandair direct
17 Apr - 26 Apr easyJet
01 Apr - 09 Apr Icelandair direct
15 Apr - 03 May Icelandair direct
03 Apr - 08 Apr easyJet
01 Apr - 15 Apr Icelandair direct
24 Apr - 28 Apr Icelandair direct
30 Apr - 13 May Icelandair direct
29 Apr - 02 May Icelandair direct
30 Apr - 03 May Icelandair direct
29 Apr - 09 May Icelandair direct
28 Apr - 01 May Icelandair direct
30 Apr - 07 May Icelandair direct
26 Apr - 03 May Icelandair direct
25 Apr - 01 May Icelandair direct

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

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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