Cheapest one-way flights from London to Keflavik in April from $200

Best time to book flights for London (LCY) to Keflavik (KEF) flights at AirHint

AirHint found the following cheapest one-way flights from London (LCY) to Keflavik (KEF) in April 2025 (see full year).

One-Way flights

02 Apr SWISS
23 Apr SWISS
10 Apr British Airways
30 Apr British Airways
09 Apr British Airways
25 Apr British Airways
18 Apr LOT
28 Apr British Airways
11 Apr LOT
07 Apr British Airways

Also check the deals for return 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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