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

Return flights

13 Jan - 20 Jan	British Airways
20 Jan - 27 Jan	British Airways
29 Jan - 05 Feb	British Airways
28 Jan - 01 Feb	Frontier Airlines
18 Jan - 25 Jan	Finnair
12 Jan - 19 Jan	British Airways
19 Jan - 26 Jan	British Airways
31 Jan - 07 Feb	Hawaiian Airlines
30 Jan - 06 Feb	British Airways
16 Jan - 23 Jan	British Airways
17 Jan - 24 Jan	SWISS
14 Jan - 21 Jan	British Airways
03 Jan - 12 Jan	British Airways
03 Jan - 17 Jan	British Airways

Also check the deals for one-way flights from Los Angeles to Keflavik in January.

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 January from $607

Return flights