Cheapest return flights from London to Keflavik in April from 275€

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

Return flights

13 Apr - 20 Apr Lufthansa
03 Apr - 09 Apr SWISS
24 Apr - 26 Apr Lufthansa
24 Apr - 29 Apr British Airways
01 Apr - 10 Apr Lufthansa
08 Apr - 13 Apr SWISS
01 Apr - 06 Apr British Airways
30 Apr - 05 May KLM
17 Apr - 22 Apr KLM
01 Apr - 05 Apr Lufthansa
20 Apr - 24 Apr KLM

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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