Cheapest return flights from London to Keflavik in April from $166

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

13 Apr - 16 Apr Icelandair direct
11 Apr - 15 Apr Icelandair direct
29 Apr - 06 May Icelandair direct
16 Apr - 26 Apr Icelandair direct
20 Apr - 28 Apr Icelandair direct
16 Apr - 30 Apr Icelandair direct
21 Apr - 27 Apr Icelandair direct
10 Apr - 15 Apr Icelandair direct
12 Apr - 27 Apr Icelandair direct
23 Apr - 02 May Icelandair direct
25 Apr - 28 Apr Icelandair direct
25 Apr - 02 May Icelandair direct
25 Apr - 27 Apr Icelandair direct
19 Apr - 02 May Icelandair direct
30 Apr - 12 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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