Cheapest return flights from San Francisco to Keflavik in January from 481€

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 January 2025 (see full year).

Return flights

07 Jan - 14 Jan jetBlue
31 Jan - 07 Feb Frontier Airlines
21 Jan - 28 Jan Frontier Airlines
25 Jan - 01 Feb Frontier Airlines
28 Jan - 23 Feb Frontier Airlines
24 Jan - 31 Jan Frontier Airlines
28 Jan - 04 Feb jetBlue
19 Jan - 26 Jan Frontier Airlines
18 Jan - 25 Jan Frontier Airlines
26 Jan - 02 Feb Frontier Airlines
08 Jan - 15 Jan jetBlue
11 Jan - 18 Jan jetBlue
22 Jan - 29 Jan jetBlue
28 Jan - 02 Feb Frontier Airlines
10 Jan - 17 Jan Frontier Airlines
12 Jan - 19 Jan Frontier Airlines
27 Jan - 03 Feb jetBlue

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

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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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