AirHint found the following cheapest one-way flights from London (LTN) to Keflavik (KEF) in April 2026 (see full year).

One-Way flights

15 Apr	easyJet	direct
17 Apr	easyJet	direct
13 Apr	easyJet	direct
20 Apr	easyJet	direct
22 Apr	easyJet	direct
24 Apr	easyJet	direct
01 Apr	easyJet	direct
06 Apr	easyJet	direct
18 Apr	Wizz Air Malta
02 Apr	Wizz Air

Also check the deals for return flights from London to Keflavik in April.

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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Cheapest one-way flights from London to Keflavik in April from $57

One-Way flights