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

Return flights

08 Dec - 15 Dec	Icelandair
21 Dec - 10 Jan	Spirit Airlines
05 Dec - 12 Dec	Icelandair
04 Dec - 08 Dec	Icelandair
09 Dec - 12 Dec	Icelandair
27 Dec - 30 Dec	Alaska Airlines
15 Dec - 20 Dec	Icelandair
25 Dec - 01 Jan	Icelandair

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

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 Burbank to Keflavik in December from $1057

Return flights