Cheapest return flights from London to Keflavik in April from 134€

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

Return flights

08 Apr - 25 Apr British Airways direct
15 Apr - 22 Apr British Airways direct
12 Apr - 15 Apr British Airways direct
11 Apr - 15 Apr British Airways direct
11 Apr - 14 Apr British Airways direct
27 Apr - 30 Apr British Airways direct
20 Apr - 23 Apr British Airways direct
19 Apr - 22 Apr British Airways direct
18 Apr - 24 Apr British Airways direct
22 Apr - 29 Apr British Airways direct
28 Apr - 01 May British Airways direct
29 Apr - 06 May British Airways direct
30 Apr - 06 May British Airways direct
30 Apr - 10 May British Airways direct
03 Apr - 06 May Icelandair direct
28 Apr - 08 May British Airways direct
28 Apr - 03 May Icelandair direct
29 Apr - 07 May British Airways direct
30 Apr - 04 May Icelandair direct
29 Apr - 04 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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