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

Return flights

09 Jan - 16 Jan	jetBlue
23 Jan - 30 Jan	jetBlue
26 Jan - 02 Feb	jetBlue
30 Jan - 06 Feb	jetBlue
13 Jan - 20 Jan	jetBlue
08 Jan - 15 Jan	jetBlue
27 Jan - 03 Feb	Spirit Airlines
19 Jan - 26 Jan	Spirit Airlines
20 Jan - 27 Jan	Spirit Airlines
10 Jan - 17 Jan	jetBlue
24 Jan - 31 Jan	jetBlue
31 Jan - 07 Feb	jetBlue
25 Jan - 01 Feb	Frontier Airlines
22 Jan - 29 Jan	jetBlue
29 Jan - 05 Feb	jetBlue
28 Jan - 04 Feb	Spirit Airlines
17 Jan - 24 Jan	jetBlue
30 Jan - 03 Feb	Frontier Airlines

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 410€

Return flights