Cheapest return flights from Los Angeles to Keflavik in December from 667€

AirHint found the following cheapest return flights from Los Angeles (LAX) to Keflavik (KEF) in December 2025 (see full year).

Return flights

02 Dec - 09 Dec Lufthansa
09 Dec - 16 Dec Lufthansa
03 Dec - 11 Dec Lufthansa
08 Dec - 15 Dec jetBlue
03 Dec - 10 Dec jetBlue
07 Dec - 13 Dec SWISS
04 Dec - 08 Dec Brussels Airlines
15 Dec - 22 Dec Spirit Airlines
14 Dec - 21 Dec Spirit Airlines
10 Dec - 17 Dec jetBlue
31 Dec - 07 Jan jetBlue
01 Dec - 01 Jan WestJet
18 Dec - 01 Jan Frontier Airlines
28 Dec - 03 Jan Frontier Airlines

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

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