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

Return flights

15 Apr - 19 Apr	Lufthansa
15 Apr - 20 Apr	Lufthansa
23 Apr - 30 Apr	Lufthansa
14 Apr - 18 Apr	British Airways
07 Apr - 18 Apr	British Airways
14 Apr - 26 Apr	British Airways
07 Apr - 12 Apr	British Airways
22 Apr - 26 Apr	British Airways
08 Apr - 12 Apr	British Airways
07 Apr - 11 Apr	British Airways

Also check the deals for one-way flights from Luxemburg 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 return flights from Luxemburg to Keflavik in April from 181€

Return flights