Cheapest return flights from San Francisco to Keflavik in December from $427

Best time to book flights for San Francisco (SFO) to Keflavik (KEF) flights at AirHint

AirHint found the following cheapest return flights from San Francisco (SFO) to Keflavik (KEF) in December 2024 (see full year).

Return flights

04 Dec - 11 Dec Alaska Airlines
04 Dec - 10 Dec Alaska Airlines
04 Dec - 08 Dec Alaska Airlines
03 Dec - 08 Dec jetBlue
30 Dec - 06 Jan Alaska Airlines
13 Dec - 20 Dec jetBlue
21 Dec - 28 Dec Sun Country Airlines
22 Dec - 28 Dec Frontier Airlines
26 Dec - 01 Jan Alaska Airlines
28 Dec - 05 Jan Alaska Airlines
22 Dec - 04 Jan Frontier Airlines
20 Dec - 04 Jan Sun Country Airlines

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

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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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