Cheapest return flights from London to Keflavik in April from $191

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

Return flights

08 Apr - 14 Apr British Airways direct
07 Apr - 14 Apr British Airways direct
16 Apr - 21 Apr British Airways direct
10 Apr - 14 Apr British Airways direct
20 Apr - 25 Apr British Airways direct
23 Apr - 25 Apr British Airways direct
15 Apr - 23 Apr British Airways direct
19 Apr - 23 Apr British Airways direct
19 Apr - 25 Apr British Airways direct
02 Apr - 09 Apr Scandinavian Airlines
29 Apr - 05 May British Airways direct
30 Apr - 05 May British Airways direct
28 Apr - 01 May British Airways direct
20 Apr - 01 May British Airways direct
25 Apr - 01 May British Airways direct
26 Apr - 03 May British Airways direct
26 Apr - 10 May British Airways direct
29 Apr - 03 May British Airways direct
30 Apr - 03 May British Airways direct
30 Apr - 04 May British Airways 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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