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

Return flights

07 Apr - 15 Apr	Air France
13 Apr - 21 Apr	Air France
15 Apr - 23 Apr	Lufthansa
06 Apr - 14 Apr	Virgin Atlantic
14 Apr - 22 Apr	Virgin Atlantic
22 Apr - 30 Apr	Virgin Atlantic
08 Apr - 16 Apr	British Airways
20 Apr - 28 Apr	Finnair
21 Apr - 29 Apr	Virgin Atlantic
01 Apr - 09 Apr	Finnair
29 Apr - 07 May	Lufthansa
27 Apr - 05 May	Virgin Atlantic
29 Apr - 06 May	Finnair
28 Apr - 06 May	Finnair
30 Apr - 07 May	Air France
23 Apr - 01 May	Air France
30 Apr - 08 May	Air France
25 Apr - 03 May	Air France
26 Apr - 04 May	Air France
24 Apr - 02 May	Lufthansa

Also check the deals for one-way flights from Los Angeles 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 Los Angeles to Keflavik in April from 406€

Return flights