Cheapest return flights from London to Keflavik in April from 228€

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

Return flights

15 Apr - 20 Apr Lufthansa
22 Apr - 26 Apr Lufthansa
24 Apr - 26 Apr Lufthansa
13 Apr - 17 Apr Air Dolomiti
10 Apr - 12 Apr Lufthansa
01 Apr - 05 Apr Lufthansa
12 Apr - 17 Apr Air Dolomiti
15 Apr - 22 Apr KLM
14 Apr - 17 Apr KLM
15 Apr - 29 Apr KLM
30 Apr - 08 May Lufthansa

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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