Cheapest return flights from London to Keflavik in April from 157€

Best time to book flights for London (LHR) to Keflavik (KEF) flights at AirHint

AirHint found the following cheapest return flights from London (LHR) to Keflavik (KEF) in April 2025 (see full year).

Return flights

23 Apr - 27 Apr Scandinavian Airlines
01 Apr - 07 Apr Scandinavian Airlines
24 Apr - 27 Apr Scandinavian Airlines
03 Apr - 07 Apr Scandinavian Airlines
14 Apr - 27 Apr Scandinavian Airlines
25 Apr - 27 Apr Scandinavian Airlines
23 Apr - 30 Apr Icelandair direct
13 Apr - 26 Apr Icelandair direct
01 Apr - 09 Apr Scandinavian Airlines
20 Apr - 25 Apr Icelandair direct
24 Apr - 05 May Scandinavian Airlines
23 Apr - 04 May Icelandair direct
21 Apr - 01 May Icelandair direct
29 Apr - 07 May Icelandair direct
26 Apr - 01 May Icelandair direct
28 Apr - 02 May Icelandair direct
29 Apr - 03 May Icelandair direct
21 Apr - 06 May Icelandair direct
28 Apr - 01 May Icelandair direct
25 Apr - 02 May Icelandair direct

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

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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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