Cheapest return flights from London to Keflavik in April from $156

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

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

Return flights

13 Apr - 20 Apr easyJet direct
24 Apr - 27 Apr easyJet direct
17 Apr - 24 Apr easyJet direct
22 Apr - 29 Apr easyJet direct
12 Apr - 18 Apr Scandinavian Airlines
01 Apr - 08 Apr easyJet direct
18 Apr - 25 Apr Lufthansa
01 Apr - 09 Apr Scandinavian Airlines
05 Apr - 09 Apr Icelandair direct
02 Apr - 05 Apr 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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